CN106656661A - Method, device and system for achieving interdevice linear protection mechanism interworking - Google Patents
Method, device and system for achieving interdevice linear protection mechanism interworking Download PDFInfo
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- CN106656661A CN106656661A CN201611095022.6A CN201611095022A CN106656661A CN 106656661 A CN106656661 A CN 106656661A CN 201611095022 A CN201611095022 A CN 201611095022A CN 106656661 A CN106656661 A CN 106656661A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/52—Multiprotocol routers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a method, a device and a system for achieving interdevice linear protection mechanism interworking. The method comprises: after a linear protection group of a master interworking end device enables a protection group pending state, receiving a G.8131 protocol version detection instruction, and by the master interworking end device, executing a G.8131 protocol version detection operation on a slave interworking end device; according to detection results, determining a G.8131 protocol version utilized by the slave interworking end device; and interacting with the slave interworking end device by utilizing a G.8131 protocol version consistent with the G.8131 protocol version utilized by the slave interworking end device. When the linear protection group of the master interworking end device is in the protection group pending state, the master interworking end device is fixed on a link selected by the linear protection group to perform service transmission, not to respond host link and standby link fault and recover messages of the linear protection group, not to respond user operations defined by the G.8131 protocol, and not to transmit and receive APS protocol packets.
Description
Technical field
The present invention relates to the network communications technology, more particularly to a kind of method for realizing equipment room linear protection mechanism intercommunication,
Apparatus and system.
Background technology
PTN (Packet Transport Network, Packet Transport Network) linear protection is that network topology plans a master
With communication link (referred to as：Active link) and an alternate communication link is (referred to as：Reserve link), using both links protection visitor
The business of family transmission.In network topology as shown in Figure 1, linear protection group is configured on equipment (device) 1 and equipment 6, in advance
If following link is active link：3-equipment of equipment 1-equipment, 2-equipment 6, it is reserve link to preset following link：Equipment 1-set
5-equipment of standby 4-equipment 6；Under normal circumstances, acquiescence uploads the business of transmission bearing in active link during original state, and rear extended meeting is pressed
The selection of service transmission path is carried out according to G.8131 protocol responses link failure information and the gerentocratic operational order of webmaster.Due to
PTN linear protection simple and fasts, are applied widely in real network.
At present, there are two versions in PTN linear protections mechanism, and a version is based on the G.8131 protocol realization of 2007 editions
, another version is based on the G.8131 protocol realization of 2014 editions.Due to 2014 editions G.8131 agreement and 2007 editions
G.8131 agreement is incompatible in the definition of state value, causes in MPLS-TP (Multiprotocol Label Switching-
Transport Profile, multiprotocol label switching transmission application) in network, using 2007 editions G.8131 protocol realization PTN lines
Property protection mechanism equipment with using 2014 editions G.8131 the equipment of protocol realization PTN linear protections mechanism exist cannot intercommunication
Problem.And, 2014 editions G.8131 agreement it is similar with the message format of 2007 editions G.8131 agreements, it is single more difficult from message format
Distinguish the version of G.8131 agreement.
The content of the invention
The following is the general introduction of the theme to describing in detail herein.This general introduction is not to limit the protection model of claim
Enclose.
The embodiment of the present invention provides a kind of method, apparatus and system for realizing equipment room linear protection mechanism intercommunication, supports
The intercommunication of equipment room PTN linear protection mechanism in MPLS-TP network.
The embodiment of the present invention provides a kind of method for realizing equipment room linear protection mechanism intercommunication, including：
After the linear protection group of main intercommunication end equipment enters protection group pending state, G.8131 protocol version detection is received
Instruction, main intercommunication end equipment is performed to the G.8131 protocol version detection operation from intercommunication end equipment；Main intercommunication end equipment according to
Result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment；Main intercommunication end equipment is adopted and set from mutual go side
The standby consistent G.8131 agreement of version used with interact from intercommunication end equipment；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of linear protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
Wherein, the main intercommunication end equipment is performed to the G.8131 protocol version detection operation from intercommunication end equipment, can be with
Including：
Main intercommunication end equipment sends the first message to from intercommunication end equipment；In scheduled duration after the first message is sent
Be not received by from intercommunication end equipment for first message return response message when, to from intercommunication end equipment send second
Message；
Or, main intercommunication end equipment sends the first message to from intercommunication end equipment；
Or, main intercommunication end equipment sends the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating to operate from intercommunication end equipment for the G.8131 agreement of first version
The message of order, second message carrying to indicating operation life from intercommunication end equipment for the G.8131 agreement of the second edition
The message of order.
Wherein, the operational order can include：Lock command.
Wherein, the main intercommunication end equipment is according to result of detection, it is determined that the G.8131 agreement adopted from intercommunication end equipment
Version, can include：
Receive from intercommunication end equipment for described in scheduled duration after main intercommunication end equipment is in the first message of transmission
During the response message that the first message is returned, main intercommunication end equipment determines the G.8131 association from intercommunication end equipment using first version
View；
Receive from intercommunication end equipment for described in scheduled duration after main intercommunication end equipment is in the second message of transmission
During the response message that the second message is returned, main intercommunication end equipment determines the G.8131 association from intercommunication end equipment using the second edition
View.
Wherein, the method for realizing equipment room linear protection mechanism intercommunication can also include：
It is not received by from intercommunication end equipment being directed in scheduled duration after main intercommunication end equipment is in the first message of transmission
Also it is not received by from mutual go side in the response message that first message is returned, and the scheduled duration after the second message is sent
During the response message that equipment is returned for second message, main intercommunication end equipment report and alarm information.
Wherein, after the main intercommunication end equipment report and alarm information, or, the main intercommunication end equipment is according to detection knot
Really, it is determined that from intercommunication end equipment adopt G.8131 agreement version after, it is described to realize equipment room linear protection mechanism intercommunication
Method can also include：Main intercommunication end equipment terminates to the G.8131 protocol version detection operation from intercommunication end equipment, and holds
Row restarts protection group commands so that the linear protection group of main intercommunication end equipment returns to the state before hanging up.
Wherein, it is described to realize equipment room when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment
The method of linear protection mechanism intercommunication can also include：
Main intercommunication end equipment is performed hangs up protection group commands, it is intended that pass in the enterprising industry business of the selected link of linear protection group
It is defeated.
Wherein, the method for realizing equipment room linear protection mechanism intercommunication can also include：In main intercommunication end equipment
When knowing the version of the G.8131 agreement adopted from intercommunication end equipment, main intercommunication end equipment is directly using the G.8131 association of known version
Discuss and interact from intercommunication end equipment.
The embodiment of the present invention also provides a kind of device for realizing equipment room linear protection mechanism intercommunication, is applied to lead mutual go side
Equipment, including：
Receiver module, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving G.8131
Protocol version probe instructions；
First processing module, after receiving G.8131 protocol version probe instructions in the receiver module, performs
To the G.8131 protocol version detection operation from intercommunication end equipment；
Second processing module, for according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment；
Interactive module, for using with from the consistent G.8131 agreement of version used by intercommunication end equipment with from intercommunication end equipment
Interact；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of route protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
Wherein, the first processing module, can be used for performing in the following manner to from intercommunication end equipment G.8131
Protocol version detection operation：
The first message is sent to from intercommunication end equipment；Send the first message after scheduled duration in be not received by from
During the response message that intercommunication end equipment is returned for first message, to from intercommunication end equipment the second message is sent；
Or, send the first message to from intercommunication end equipment；
Or, send the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating to operate from intercommunication end equipment for the G.8131 agreement of first version
The message of order, second message carrying to indicating operation life from intercommunication end equipment for the G.8131 agreement of the second edition
The message of order.
Wherein, the operational order can include：Lock command.
Wherein, the Second processing module, can be used in the following manner according to result of detection, it is determined that setting from mutual go side
The version of the standby G.8131 agreement for adopting：
When receiving from mutual in scheduled duration of the receiver module after first processing module sends the first message
During the response message that go side equipment is returned for first message, it is determined that adopting first version G.8131 from intercommunication end equipment
Agreement；
When receiving from mutual in scheduled duration of the receiver module after first processing module sends the second message
During the response message that go side equipment is returned for second message, it is determined that adopting the second edition G.8131 from intercommunication end equipment
Agreement.
Wherein, the device for realizing equipment room linear protection mechanism intercommunication can also include：3rd processing module, is used for
It is not received by from mutual go side in scheduled duration after the receiver module is in the first processing module the first message of transmission
The response message that equipment is returned for first message, and the pre- timing after the first processing module sends the second message
Also be not received by long from response message of the intercommunication end equipment for second message return when, report and alarm information.
Wherein, the first processing module can be also used for after the 3rd processing module report and alarm information, or
Person, in the Second processing module according to result of detection, it is determined that after the version of the G.8131 agreement adopted from intercommunication end equipment,
Terminate to the G.8131 protocol version detection operation from intercommunication end equipment, and protection group commands are restarted in execution so that the mutual go side of master
The linear protection group of equipment returns to the state before hanging up.
Wherein, the device for realizing equipment room linear protection mechanism intercommunication, can also include：Fourth processing module, uses
In when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment, perform and hang up protection group commands, it is intended that
The enterprising industry business transmission of selected link of linear protection group.
Wherein, the interactive module, can be also used for the version in the known G.8131 agreement adopted from intercommunication end equipment
When, directly adopt the G.8131 agreement of known version and interact from intercommunication end equipment.
The embodiment of the present invention also provides a kind of system for realizing equipment room linear protection mechanism intercommunication, including：The mutual go side of master
Equipment and from intercommunication end equipment；
Wherein, when main intercommunication end equipment from intercommunication end equipment with G.8131 protocol realization linear protection mechanism is supported,
Main intercommunication end equipment, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving and G.8131 assisting
View version probe instructions, perform to the G.8131 protocol version detection operation from intercommunication end equipment；According to result of detection, it is determined that from
The version of the G.8131 agreement that intercommunication end equipment is adopted；And using with from the consistent G.8131 association of version used by intercommunication end equipment
Discuss and interact from intercommunication end equipment；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of linear protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
Wherein, the main intercommunication end equipment can be used for performing the G.8131 association to from intercommunication end equipment in the following manner
View version detection operation：
The first message is sent to from intercommunication end equipment；Send the first message after scheduled duration in be not received by from
During the response message that intercommunication end equipment is returned for first message, to from intercommunication end equipment the second message is sent；
Or, send the first message to from intercommunication end equipment；
Or, send the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating to operate from intercommunication end equipment for the G.8131 agreement of first version
The message of order, second message carrying to indicating operation life from intercommunication end equipment for the G.8131 agreement of the second edition
The message of order.
Wherein, when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment, the mutual go side of the master sets
It is standby to can be also used for performing hang-up protection group commands, it is intended that in the enterprising industry business transmission of the selected link of linear protection group.
Wherein, the main intercommunication end equipment, can be also used in the known G.8131 agreement adopted from intercommunication end equipment
During version, directly adopt the G.8131 agreement of known version and interact from intercommunication end equipment.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and be stored with computer executable instructions, described
Computer executable instructions are when executed by realizing the above-mentioned method for realizing equipment room linear protection mechanism intercommunication.
In embodiments of the present invention, after the linear protection group of main intercommunication end equipment enters protection group pending state, receive
G.8131 protocol version probe instructions, main intercommunication end equipment is performed to the G.8131 protocol version detection behaviour from intercommunication end equipment
Make；According to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment；Using with from used by intercommunication end equipment
The consistent G.8131 agreement of version with interact from intercommunication end equipment.Thus, realizing the linear of equipment room in MPLS-TP network
Protection mechanism intercommunication.
Further, the embodiment of the present invention can also support that the equipment with PTN linear protection functions is not supported with other
The equipment of PTN linear protection mechanism carries out business intercommunication.
Other features and advantage will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the application.The purpose of the application and other advantages can be by specification, rights
Specifically noted structure is realizing and obtain in claim and accompanying drawing.
Description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and constitutes a part for specification, with this
The embodiment of application is used to explain the technical scheme of the application together, does not constitute the restriction to technical scheme.
Fig. 1 is a kind of schematic diagram of PTN linear protections in network topology；
Fig. 2 is the maintenance state transition diagram of the linear protection group in the embodiment of the present invention；
Fig. 3 is the flow chart of the method for realizing equipment room linear protection mechanism intercommunication that the embodiment of the present invention one is provided；
Fig. 4 is the form schematic diagram of 2014 editions G.8131 agreements；
Fig. 5 is the application schematic diagram one of the embodiment of the present invention one；
Fig. 6 is the application schematic diagram two of the embodiment of the present invention one；
Fig. 7 is the schematic diagram of the device for realizing equipment room linear protection mechanism intercommunication that the embodiment of the present invention two is provided.
Specific embodiment
The embodiment of the present application is described in detail below in conjunction with accompanying drawing, it will be appreciated that embodiments described below is only
For instruction and explanation of the application, it is not used to limit the application.
It should be noted that the description and claims of this application and the term " first " in above-mentioned accompanying drawing, "
Two " it is etc. the object for distinguishing similar, without for describing specific order or precedence.
If it should be noted that not conflicting, each feature in the embodiment of the present application and embodiment can be tied mutually
Close, within the protection domain of the application.In addition, though logical order is shown in flow charts, but in some situations
Under, can be with the step shown or described by performing different from order herein.
The protection group pending state for first referring to the application below is illustrated.
In this application, on the basis of the standard state machine of G.8131 protocol definition, increase " protection group pending state ", with
And " hanging up protection group " order and " restarting protection group " order.
Referring to Fig. 2 and Biao 1, " hanging up protection group " order is performed on the basis of G.8131 standard state machine and enters " protection
Group pending state "；That is, the free position of G.8131 original state machine is in, can be entered by performing " hanging up protection group " order
" protection group pending state ".At " protection group pending state ", performing " restarting protection group " order can return to the state before hanging up, i.e.,
The state in G.8131 standard state machine is returned to, the protection group behaviour that will be recorded before obtaining the last state of main/slave link, hanging up
Make, and according to G.8131 standard update state machine.
When linear protection group is in " protection group pending state ", the enterprising industry of selected link of linear protection group will be fixed on
Business transmission, be not responding to the Failure And Recovery message of main/slave link, be not responding to the user operation of G.8131 protocol definition, do not send and
Receive APS (Automatic Protection Switching, APS) protocol massages.
Newly-increased " protection group pending state " can notice network manager, and now, linear protection group is in maintenance state, business
The fixation on selected link is transmitted, and is not responding to the Failure And Recovery message of standby usage link；APS protocol massages are not carried out
The effect for sending and receiving response, non-configuration protection group being reached on the premise of carrying business connectedness is ensured；In network behaviour
Make " protection group pending state " can be noticed on interface, transmission industry is selected with the current linear protection group of informing network manager
The link of business；The linear protection group of " protection group pending state " is in, will not report what linear protection group was defined to network manager
All kinds of alarm events.
Table 1
The application is easy to network management personnel to manage net effective and rapidly by a newly-increased state and two orders
Network, and support is in the application of the linear protection scene of G.8131 protocol definition.
Embodiment one
The present embodiment provides a kind of method for realizing equipment room linear protection mechanism intercommunication, is applied to main intercommunication end equipment,
As shown in figure 3, including：
Step 301：After the linear protection group of main intercommunication end equipment enters protection group pending state, G.8131 agreement is received
Version probe instructions, main intercommunication end equipment is performed to the G.8131 protocol version detection operation from intercommunication end equipment；
Step 302：Main intercommunication end equipment is according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment
This；
Step 303：Main intercommunication end equipment using with from the consistent G.8131 agreement of version used by intercommunication end equipment with from mutual
Go side equipment is interacted.
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of linear protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
In the present embodiment, after the linear protection group of main intercommunication end equipment enters protection group pending state, main intercommunication end equipment
Perform to the G.8131 protocol version detection operation from intercommunication end equipment, so as to prevent linear protection group from making to later release detection
Into impact.
In some implementations, NMS can connect the main intercommunication end equipment in network and set from mutual go side
It is standby.After NMS issues hang-up protection group commands to main intercommunication end equipment, main intercommunication end equipment is performed to hang up and protected
Shield group command so that the linear protection group configured in main intercommunication end equipment enters protection group pending state；When NMS to
Main intercommunication end equipment is issued restarts after protection group commands, and main intercommunication end equipment is performed restarts protection group commands so that main intercommunication
The linear protection group configured on equipment can return to the state before hanging up.
In some implementations, main intercommunication end equipment can support the G.8131 agreement of two kinds of version, set from mutual go side
It is standby to support G.8131 agreement, but the protocol version supported it is unknown when, main intercommunication end equipment can be by from intercommunication end equipment
Perform G.8131 protocol version detection operation to determine the version of the G.8131 agreement adopted from intercommunication end equipment, confirming from mutual
After the version of the G.8131 agreement that go side equipment is adopted, the version of the G.8131 agreement of employing can be set in main intercommunication end equipment
This so that the protocol massages that main intercommunication end equipment sends meet the lattice supported from the G.8131 agreement of version used by intercommunication end equipment
Formula, the linear protection intercommunication so as to realize main intercommunication end equipment and from intercommunication end equipment.
In this implementation, in step 301, main intercommunication end equipment is performed to the G.8131 agreement from intercommunication end equipment
Version detection operation, can include：
Main intercommunication end equipment sends the first message to from intercommunication end equipment；
It is not received by from intercommunication end equipment being returned for the first message in scheduled duration after the first message is sent
Response message when, to from intercommunication end equipment send the second message；
Wherein, the first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, the second message for the second edition G.8131 agreement carrying to from intercommunication end equipment indicate operational order report
Text.
Wherein, operational order can include：Lock command.First message and the second message can be to carry locking protection
Group indicates the APS messages of operation.
Wherein, first version can be 2007 editions, and the second edition can be 2014 editions, or, first version can be
2014 editions, the second edition can be 2007 editions.
In some implementations, main intercommunication end equipment can support a kind of G.8131 agreement of version, set from mutual go side
It is standby to support G.8131 agreement, but the version supported it is unknown when, main intercommunication end equipment can be by performing from intercommunication end equipment
Whether G.8131 protocol version detection operates to determine from intercommunication end equipment using the protocol version consistent with main intercommunication end equipment,
If consistent, main intercommunication end equipment can adopt and support the G.8131 agreement of version and interact from intercommunication end equipment.
In this implementation, in step 301, main intercommunication end equipment is performed to the G.8131 agreement from intercommunication end equipment
Version detection operation, can include：
Main intercommunication end equipment sends the first message to from intercommunication end equipment；Or, report to sending second from intercommunication end equipment
Text；
Wherein, the first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, the second message for the second edition G.8131 agreement carrying to from intercommunication end equipment indicate operational order report
Text.
Wherein, operational order can include：Lock command.First message and the second message can be to carry locking protection
Group indicates the APS messages of operation.
Wherein, first version can be 2007 editions, and the second edition can be 2014 editions, or, first version can be
2014 editions, the second edition can be 2007 editions.
Wherein, when main intercommunication end equipment supports the G.8131 agreement of first version, can be to from the transmission of intercommunication end equipment
First message；When main intercommunication end equipment supports the G.8131 agreement of the second edition, can report to sending second from intercommunication end equipment
Text.
It should be noted that when linear protection group is in protection group pending state, main intercommunication equipment does not carry out APS agreement reports
Literary sends and receives, but, when G.8131 protocol version detection operation is performed, APS protocol massages can be sent and received.
In some implementations, step 302 can include：
First is directed to when receiving from intercommunication end equipment in scheduled duration of main intercommunication end equipment after the first message is sent
During the response message that message is returned, main intercommunication end equipment determines the G.8131 agreement from intercommunication end equipment using first version；
Second is directed to when receiving from intercommunication end equipment in scheduled duration of main intercommunication end equipment after the second message is sent
During the response message that message is returned, main intercommunication end equipment determines the G.8131 agreement from intercommunication end equipment using the second edition.
Wherein, scheduled duration can be configured according to actual conditions, such as can be 3.5 times of APS cycles.
In some implementations, what the present embodiment was provided realizes that the method for equipment room linear protection mechanism intercommunication can also be wrapped
Include：
It is not received by from intercommunication end equipment being directed in scheduled duration after main intercommunication end equipment is in the first message of transmission
Also it is not received by from intercommunication end equipment in the response message that first message is returned, and the scheduled duration after the second message is sent
For the second message return response message when, main intercommunication end equipment report and alarm information.
Wherein, when main intercommunication end equipment cannot be obtained from the response of intercommunication end equipment, can be in NMS
Report alarming information, points out the main intercommunication end equipment of network management personnel to confirm the version from the G.8131 agreement of intercommunication end equipment
This, needs the accessibility for confirming protocol pass.
In some implementations, after main intercommunication end equipment report and alarm information, or, after step 302, this reality
Applying the method for realizing equipment room linear protection mechanism intercommunication of example can also include：Main intercommunication end equipment terminates to setting from mutual go side
Standby G.8131 protocol version detection operation, and protection group commands are restarted in execution so that the linear protection group of main intercommunication end equipment
Return to the state before hanging up.
Wherein, after protection group commands are restarted in execution, the linear protection group of main intercommunication end equipment is extensive from protection group pending state
The multiple state to before hanging up.
With regard to two versions (2007 editions and 2014 editions) of G.8131 agreement protocol fields and form may refer to table 2,
Table 3, table 4 and Fig. 4.G.8131 switch the substantially principle and state machine of two versions of agreement is basically identical, is simply led to
The definition of letter agreement and state (State) value has differences, therefore communication protocol is by can be intercommunication after conversion.
The field of the APS protocol massages of table 2
The explanation of field of the G.8131 agreement of table 3 2007 editions
The explanation of field of the G.8131 agreement of table 4 2014 editions
It is the protocol version for confirming to be adopted from intercommunication end equipment, it usually needs according to from mutual go side in some implementations
The current G.8131 state of equipment, captures the protocol massages sent from intercommunication end equipment under current state, analyzes protocol massages
In state (State) field, compare two versions G.8131 agreement confirmed.However, this kind of mode is relatively complicated, need
Packet capturing environment is built, is configured again afterwards, it is less efficient.
The present embodiment is adopted and for the linear protection group of main intercommunication end equipment to suspend to protection group pending state, then is performed to from mutual
G.8131 the protocol version detection operation of go side equipment.Equipment room linear protection machine is realized to the present embodiment referring to Fig. 5
The method of intercommunication processed is illustrated.
As shown in figure 5, the G.8131 agreement of two kinds of version can be supported in main intercommunication end equipment, and support from intercommunication end equipment
G.8131 agreement version it is unknown when, the present embodiment provide realize that the method for equipment room linear protection mechanism intercommunication can be wrapped
Include following steps：
Step 501：The linear protection group of main intercommunication end equipment enters protection group pending state, starts G.8131 protocol version and visits
Survey operation；
Wherein, after NMS issues hang-up protection group commands to main intercommunication end equipment, main intercommunication end equipment
Perform and hang up protection group commands so that the linear protection group of main intercommunication equipment enters protection group pending state；Main intercommunication end equipment root
The G.8131 protocol version probe instructions issued according to NMS, start to the G.8131 protocol version from intercommunication end equipment
Detection operation；
Step 502：Main intercommunication end equipment is waited to the locking message that 2007 editions G.8131 agreements are sent from intercommunication end equipment
3.5 times of APS cycles；Wherein, it can be to carry the APS messages that locking protection group indicates operation to lock message；
Step 503：Main intercommunication end equipment is confirmed whether that the response message from intercommunication end equipment can be received；
Step 504：If receiving, main intercommunication end equipment records MAC (the Media Access from intercommunication end equipment
Control, medium access control) address, and using 2007 editions G.8131 agreement with interact from intercommunication end equipment；Afterwards,
Go to step 509；
Step 505：If not receiving, main intercommunication end equipment sends 2014 editions G.8131 agreements to from intercommunication end equipment
Locking message, waits 3.5 times of APS cycles；
Step 506：Main intercommunication end equipment is confirmed whether that the response message from intercommunication end equipment can be received；
Step 507：If receiving, main intercommunication end equipment records MAC (the Media Access from intercommunication end equipment
Control, medium access control) address, and using 2014 editions G.8131 agreement with interact from intercommunication end equipment；Afterwards,
Go to step 509；
Step 508：If not receiving, main intercommunication end equipment report and alarm, instruction cannot be confirmed from intercommunication end equipment
G.8131 protocol version, needs the accessibility for confirming protocol pass, main intercommunication end equipment and temporarily cannot be real from intercommunication end equipment
Existing linear protection intercommunication；
Step 509：Main intercommunication end equipment terminates G.8131 protocol version detection operation, cancels the protection group of linear protection group
Pending state；Now, the linear protection group of main intercommunication end equipment returns to the state before hanging up.
The edition compatibility mode provided by above-mentioned steps, it is ensured that support the linear guarantor between the equipment of two versions
Protection mechanism intercommunication.
In some implementations, when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment, this reality
Applying the method for realizing equipment room linear protection mechanism intercommunication of example can also include：
Main intercommunication end equipment is performed hangs up protection group commands, it is intended that pass in the enterprising industry business of the selected link of linear protection group
It is defeated.
Wherein, when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment, can be protected by hanging up
Shield group command so that the linear protection group of main intercommunication end equipment enters protection group pending state, it is intended that selecting in linear protection group
The enterprising industry business transmission of link, so as to ensure main intercommunication end equipment and the business intercommunication from intercommunication end equipment.
As shown in fig. 6, equipment 1 supports that linear protection group, equipment 6 do not support linear protection group, can be by hanging in equipment 1
Play protection group commands, it is intended that transmit in the enterprising industry business of linear protection group current selected link, it is mutual with the business of equipment 6 to realize
It is logical.Such as, the currently used active link of equipment 1, after hang-up protection group commands are performed, the linear protection group of equipment 1 is entered
Protection group pending state, equipment 1 can be fixed on active link and equipment 6 carries out business transmission.
In some implementations, the method for realizing equipment room linear protection mechanism intercommunication of the present embodiment can also include：
In the version of the G.8131 agreement adopted from intercommunication end equipment known to main intercommunication end equipment, main intercommunication end equipment is directly using
Know the G.8131 agreement of version and interact from intercommunication end equipment.
Wherein, two versions are supported in main intercommunication end equipment, during from known to the version that intercommunication end equipment is supported, according to from mutual
The version that go side equipment is supported, main intercommunication end equipment can directly be arranged using this version and carried out linearly from intercommunication end equipment
Protection intercommunication.
In summary, the present embodiment can support linear protection machine under the linear protection scene of G.8131 protocol definition
Linear protection intercommunication between the equipment of system, and support the equipment of linear protection mechanism and do not support setting for linear protection mechanism
Business intercommunication between standby.
Embodiment two
Based on a kind of method identical for realizing equipment room linear protection mechanism intercommunication provided in an embodiment of the present invention send out
Bright design, the embodiment of the present invention additionally provides a kind of device for realizing equipment room linear protection mechanism intercommunication.As shown in fig. 7, this
What embodiment was provided realizes the device of equipment room linear protection mechanism intercommunication, is applied to main intercommunication end equipment, including：
Receiver module 701, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving
G.8131 protocol version probe instructions；
First processing module 702, after receiving G.8131 protocol version probe instructions in receiver module 701, holds
Row is to the G.8131 protocol version detection operation from intercommunication end equipment；
Second processing module 703, for according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment
This；
Interactive module 704, for using with from the consistent G.8131 agreement of version used by intercommunication end equipment with from mutual go side
Equipment is interacted；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of linear protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
In some implementations, first processing module 702, for performing in the following manner to from intercommunication end equipment
G.8131 protocol version detection operation：
The first message is sent to from intercommunication end equipment；Send the first message after scheduled duration in be not received by from
During the response message that intercommunication end equipment is returned for the first message, to from intercommunication end equipment the second message is sent；
Or, send the first message to from intercommunication end equipment；
Or, send the second message to from intercommunication end equipment；
Wherein, the first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, the second message for the second edition G.8131 agreement carrying to from intercommunication end equipment indicate operational order report
Text.
Wherein, operational order can include：Lock command.
Wherein, first version can be 2007 editions, and the second edition can be 2014 editions, or, first version can be
2014 editions, the second edition can be 2007 editions.
In some implementations, Second processing module 703, in the following manner according to result of detection, it is determined that from mutual
The version of the G.8131 agreement that go side equipment is adopted：
Receive from intercommunication in scheduled duration after receiver module 701 is in the first message of transmission of first processing module 702
During the response message that end equipment is returned for the first message, it is determined that adopting the G.8131 agreement of first version from intercommunication end equipment；
Receive from intercommunication in scheduled duration after receiver module 701 is in the second message of transmission of first processing module 702
During the response message that end equipment is returned for the second message, it is determined that adopting the G.8131 agreement of the second edition from intercommunication end equipment.
In some implementations, what the present embodiment was provided realizes that the device of equipment room linear protection mechanism intercommunication can also be wrapped
Include：3rd processing module 705, for the scheduled duration when receiver module 701 after first processing module 702 sends the first message
The response message returned for the first message from intercommunication end equipment is inside not received by, and the is sent in first processing module 702
Also be not received by scheduled duration after two messages from the response message that intercommunication end equipment is returned for the second message when, report
Warning information.
In some implementations, first processing module 702 be additionally operable to the report and alarm information of the 3rd processing module 705 it
Afterwards, or, in Second processing module 703 according to result of detection, it is determined that from intercommunication end equipment adopt G.8131 agreement version
Afterwards, terminate to the G.8131 protocol version detection operation from intercommunication end equipment, and protection group commands are restarted in execution so that it is main mutual
The linear protection group of go side equipment returns to the state before hanging up.
In some implementations, the device for realizing equipment room linear protection mechanism intercommunication that the present embodiment is provided can be with
Including：Fourth processing module, for when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment, performing extension
Play protection group commands, it is intended that in the enterprising industry business transmission of the selected link of linear protection group.
In some implementations, interactive module 704 is additionally operable in the known G.8131 agreement adopted from intercommunication end equipment
During version, directly adopt the G.8131 agreement of known version and interact from intercommunication end equipment.
The relevant treatment flow process of the device for realizing equipment room linear protection mechanism intercommunication provided with regard to the present embodiment can be with
With reference to the description of embodiment one, therefore repeat no more in this.
Embodiment three
Based on a kind of method identical for realizing equipment room linear protection mechanism intercommunication provided in an embodiment of the present invention send out
Bright design, the present embodiment provides a kind of system for realizing equipment room linear protection mechanism intercommunication, including：Main intercommunication end equipment and
From intercommunication end equipment；
Wherein, when main intercommunication end equipment from intercommunication end equipment with G.8131 protocol realization linear protection mechanism is supported,
Main intercommunication end equipment, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving and G.8131 assisting
View version probe instructions, perform to the G.8131 protocol version detection operation from intercommunication end equipment；According to result of detection, it is determined that from
The version of the G.8131 agreement that intercommunication end equipment is adopted；And using with from the consistent G.8131 association of version used by intercommunication end equipment
Discuss and interact from intercommunication end equipment；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on
The enterprising industry business of selected link of linear protection group is transmitted, is not responding to the active link of linear protection group and the failure of reserve link
With recover message, be not responding to the G.8131 user operation of protocol definition, do not send and receive APS protocol massages.
In some implementations, main intercommunication end equipment be used for perform in the following manner to from intercommunication end equipment G.8131
Protocol version detection operation：
The first message is sent to from intercommunication end equipment；Send the first message after scheduled duration in be not received by from
During the response message that intercommunication end equipment is returned for the first message, to from intercommunication end equipment the second message is sent；
Or, send the first message to from intercommunication end equipment；
Or, send the second message to from intercommunication end equipment；
Wherein, the first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, the second message for the second edition G.8131 agreement carrying to from intercommunication end equipment indicate operational order report
Text.
Wherein, operational order can include：Lock command.
Wherein, first version can be 2007 editions, and the second edition can be 2014 editions；Or, first version can be
2014 editions, the second edition can be 2007 editions.
It is main mutual when G.8131 protocol realization linear protection mechanism is not supported from intercommunication end equipment in some implementations
Go side equipment is additionally operable to perform hangs up protection group commands, it is intended that in the enterprising industry business transmission of the selected link of linear protection group.
In some implementations, main intercommunication end equipment is additionally operable in the known G.8131 agreement adopted from intercommunication end equipment
Version when, directly using known version G.8131 agreement and interact from intercommunication end equipment.
The relevant treatment flow process of the system for realizing equipment room linear protection mechanism intercommunication provided with regard to the present embodiment can be with
With reference to the description of embodiment one, therefore repeat no more in this.
Additionally, the embodiment of the present invention also provides a kind of computer-readable recording medium, be stored with computer executable instructions,
The computer executable instructions are when executed by realizing the above-mentioned method for realizing equipment room linear protection mechanism intercommunication.
One of ordinary skill in the art will appreciate that all or part of step in said method can be instructed by program
Related hardware (such as processor) is completed, and described program can be stored in computer-readable recording medium, such as read-only storage,
Disk or CD etc..Alternatively, all or part of step of above-described embodiment can also be come using one or more integrated circuits
Realize.Correspondingly, each module/unit in above-described embodiment can be realized in the form of hardware, such as by integrated circuit
To realize its corresponding function, it would however also be possible to employ the form of software function module is realized, is such as stored in by computing device
Program/instruction in reservoir is realizing its corresponding function.The application is not restricted to the knot of the hardware and software of any particular form
Close.
The general principle and principal character of the application and the advantage of the application has been shown and described above.The application is not by upper
State the restriction of embodiment, the principle for simply illustrating the application described in above-described embodiment and specification, without departing from the application
On the premise of spirit and scope, the application also has various changes and modifications, and these changes and improvements both fall within claimed
In the range of the application.
Claims (20)
1. a kind of method for realizing equipment room linear protection mechanism intercommunication, it is characterised in that include：
After the linear protection group of main intercommunication end equipment enters protection group pending state, receive G.8131 protocol version detection and refer to
Order, main intercommunication end equipment is performed to the G.8131 protocol version detection operation from intercommunication end equipment；
Main intercommunication end equipment is according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment；
Main intercommunication end equipment using with from the consistent G.8131 agreement of version used by intercommunication end equipment with carry out from intercommunication end equipment
Interaction；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on linearly
The enterprising industry business transmission of the selected link of protection group, it is not responding to the active link of linear protection group and the failure of reserve link and extensive
Message is answered, the G.8131 user operation of protocol definition is not responding to, is not sent and received APS APS protocol massages.
2. the method for realizing equipment room linear protection mechanism intercommunication according to claim 1, it is characterised in that the master is mutual
Go side equipment is performed to the G.8131 protocol version detection operation from intercommunication end equipment, including：
Main intercommunication end equipment sends the first message to from intercommunication end equipment；Do not have in scheduled duration after the first message is sent
Receive from intercommunication end equipment for first message return response message when, to from intercommunication end equipment send second report
Text；
Or, main intercommunication end equipment sends the first message to from intercommunication end equipment；
Or, main intercommunication end equipment sends the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, second message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of the second edition
Message.
3. the method for realizing equipment room linear protection mechanism intercommunication according to claim 2, it is characterised in that the operation
Order includes：Lock command.
4. the method for realizing equipment room linear protection mechanism intercommunication according to claim 2, it is characterised in that the master is mutual
Go side equipment is according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment, including：
Described first is directed to when receiving from intercommunication end equipment in scheduled duration of main intercommunication end equipment after the first message is sent
During the response message that message is returned, main intercommunication end equipment determines the G.8131 agreement from intercommunication end equipment using first version；
Described second is directed to when receiving from intercommunication end equipment in scheduled duration of main intercommunication end equipment after the second message is sent
During the response message that message is returned, main intercommunication end equipment determines the G.8131 agreement from intercommunication end equipment using the second edition.
5. the method for realizing equipment room linear protection mechanism intercommunication according to claim 2, it is characterised in that the realization
The method of equipment room linear protection mechanism intercommunication also includes：
It is not received by from intercommunication end equipment for described in scheduled duration after main intercommunication end equipment is in the first message of transmission
Also it is not received by from intercommunication end equipment in the response message that first message is returned, and the scheduled duration after the second message is sent
For second message return response message when, main intercommunication end equipment report and alarm information.
6. the method for realizing equipment room linear protection mechanism intercommunication according to claim 5, it is characterised in that the master is mutual
After the equipment report and alarm information of go side, or, the main intercommunication end equipment according to result of detection, it is determined that adopting from intercommunication end equipment
G.8131 after the version of agreement, the method for realizing equipment room linear protection mechanism intercommunication also includes：The mutual go side of master
Device end is to the G.8131 protocol version detection operation from intercommunication end equipment, and protection group commands are restarted in execution so that main mutual
The linear protection group of go side equipment returns to the state before hanging up.
7. the method for realizing equipment room linear protection mechanism intercommunication according to claim 1, it is characterised in that from intercommunication
When end equipment does not support G.8131 protocol realization linear protection mechanism, the method for realizing equipment room linear protection mechanism intercommunication
Also include：
Main intercommunication end equipment is performed hangs up protection group commands, it is intended that in the enterprising industry business transmission of the selected link of linear protection group.
8. the method for realizing equipment room linear protection mechanism intercommunication according to claim 1, it is characterised in that the realization
The method of equipment room linear protection mechanism intercommunication also includes：Adopting G.8131 from intercommunication end equipment known to main intercommunication end equipment
During the version of agreement, main intercommunication end equipment G.8131 agreement directly using known version with interact from intercommunication end equipment.
9. a kind of device for realizing equipment room linear protection mechanism intercommunication, it is characterised in that be applied to main intercommunication end equipment, wraps
Include：
Receiver module, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving G.8131 agreement
Version probe instructions；
First processing module, after receiving G.8131 protocol version probe instructions in the receiver module, perform to from
G.8131 the protocol version detection operation of intercommunication end equipment；
Second processing module, for according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment；
Interactive module, for using with from the consistent G.8131 agreement of version used by intercommunication end equipment with carry out from intercommunication end equipment
Interaction；
Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication end equipment is fixed on linearly
The enterprising industry business transmission of the selected link of protection group, it is not responding to the active link of route protection group and the failure of reserve link and extensive
Message is answered, the G.8131 user operation of protocol definition is not responding to, is not sent and received APS APS protocol massages.
10. the device for realizing equipment room linear protection mechanism intercommunication according to claim 9, it is characterised in that described
One processing module, for performing in the following manner to the G.8131 protocol version detection operation from intercommunication end equipment：
The first message is sent to from intercommunication end equipment；It is not received by from intercommunication in scheduled duration after the first message is sent
During the response message that end equipment is returned for first message, to from intercommunication end equipment the second message is sent；
Or, send the first message to from intercommunication end equipment；
Or, send the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, second message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of the second edition
Message.
11. devices for realizing equipment room linear protection mechanism intercommunication according to claim 10, it is characterised in that the behaviour
Include as order：Lock command.
12. devices for realizing equipment room linear protection mechanism intercommunication according to claim 10, it is characterised in that described
Two processing modules, in the following manner according to result of detection, it is determined that the version of the G.8131 agreement adopted from intercommunication end equipment
This：
Receive from mutual go side in scheduled duration after the receiver module is in the first processing module the first message of transmission
During the response message that equipment is returned for first message, it is determined that adopting the G.8131 association of first version from intercommunication end equipment
View；
Receive from mutual go side in scheduled duration after the receiver module is in the first processing module the second message of transmission
During the response message that equipment is returned for second message, it is determined that adopting the G.8131 association of the second edition from intercommunication end equipment
View.
13. devices for realizing equipment room linear protection mechanism intercommunication according to claim 10, it is characterised in that the reality
The device of existing equipment room linear protection mechanism intercommunication also includes：3rd processing module, for when the receiver module is described the
One processing module sends in the scheduled duration after the first message and is not received by from intercommunication end equipment being returned for first message
Also it is not received by from intercommunication in the response message for returning, and the scheduled duration after the first processing module sends the second message
During the response message that end equipment is returned for second message, report and alarm information.
14. devices for realizing equipment room linear protection mechanism intercommunication according to claim 13, it is characterised in that described
One processing module is additionally operable to after the 3rd processing module report and alarm information, or, in the Second processing module root
According to result of detection, it is determined that after the version of the G.8131 agreement adopted from intercommunication end equipment, terminating to from intercommunication end equipment
G.8131 protocol version detection operation, and protection group commands are restarted in execution so that the linear protection group of main intercommunication end equipment is recovered
State to before hang-up.
15. devices for realizing equipment room linear protection mechanism intercommunication according to claim 9, it is characterised in that the reality
The device of existing equipment room linear protection mechanism intercommunication, also includes：Fourth processing module, for not supporting from intercommunication end equipment
G.8131 during protocol realization linear protection mechanism, perform and hang up protection group commands, it is intended that on the selected link of linear protection group
The business of carrying out transmission.
16. devices for realizing equipment room linear protection mechanism intercommunication according to claim 9, it is characterised in that the friendship
Mutually module, is additionally operable in the version of the known G.8131 agreement adopted from intercommunication end equipment, directly using known version
G.8131 agreement with interact from intercommunication end equipment.
17. a kind of systems for realizing equipment room linear protection mechanism intercommunication, it is characterised in that include：Main intercommunication end equipment and
From intercommunication end equipment；
Wherein, it is main mutual when main intercommunication end equipment from intercommunication end equipment with G.8131 protocol realization linear protection mechanism is supported
Go side equipment, for after the linear protection group of main intercommunication end equipment enters protection group pending state, receiving G.8131 agreement version
This probe instructions, performs to the G.8131 protocol version detection operation from intercommunication end equipment；According to result of detection, it is determined that from intercommunication
The version of the G.8131 agreement that end equipment is adopted；And using with from the consistent G.8131 agreement of version used by intercommunication end equipment with
Interact from intercommunication end equipment；Wherein, when the linear protection group of main intercommunication end equipment is in protection group pending state, main intercommunication
End equipment is fixed on the selected link enterprising industry business transmission of linear protection group, is not responding to the active link of linear protection group and standby
With the Failure And Recovery message of link, the G.8131 user operation of protocol definition is not responding to, automatic protection is not sent and received and is fallen
Change APS protocol massages.
18. systems for realizing equipment room linear protection mechanism intercommunication according to claim 17, it is characterised in that the master
Intercommunication end equipment is used to perform the G.8131 protocol version detection operation to from intercommunication end equipment in the following manner：
The first message is sent to from intercommunication end equipment；It is not received by from intercommunication in scheduled duration after the first message is sent
During the response message that end equipment is returned for first message, to from intercommunication end equipment the second message is sent；Or, to from mutual
Go side equipment sends the first message；Or, send the second message to from intercommunication end equipment；
Wherein, first message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of first version
Message, second message carrying to indicating operational order from intercommunication end equipment for the G.8131 agreement of the second edition
Message.
19. systems for realizing equipment room linear protection mechanism intercommunication according to claim 17, it is characterised in that from mutual
When go side equipment does not support G.8131 protocol realization linear protection mechanism, the main intercommunication end equipment is additionally operable to perform hangs up protection
Group command, it is intended that in the enterprising industry business transmission of the selected link of linear protection group.
20. systems for realizing equipment room linear protection mechanism intercommunication according to claim 17, it is characterised in that the master
Intercommunication end equipment, is additionally operable in the version of the known G.8131 agreement adopted from intercommunication end equipment, directly using known version
G.8131 agreement with interact from intercommunication end equipment.
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| WO2019157898A1 (en) * | 2018-02-14 | 2019-08-22 | 华为技术有限公司 | Rule management method and apparatus |
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| CN104935507A (en) * | 2015-06-03 | 2015-09-23 | 瑞斯康达科技发展股份有限公司 | Linear protection switching method, PE (Provider Edge) device and system |
| EP3182645A1 (en) * | 2014-08-15 | 2017-06-21 | ZTE Corporation | Network protection switching method, network device and storage medium |
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| WO2012162982A1 (en) * | 2011-09-20 | 2012-12-06 | 华为技术有限公司 | Aps service channel switching method and system, and aps device |
| EP3182645A1 (en) * | 2014-08-15 | 2017-06-21 | ZTE Corporation | Network protection switching method, network device and storage medium |
| CN104935507A (en) * | 2015-06-03 | 2015-09-23 | 瑞斯康达科技发展股份有限公司 | Linear protection switching method, PE (Provider Edge) device and system |
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