CN107911764A - A kind of method for accelerating intensity EPON ONU service management - Google Patents
A kind of method for accelerating intensity EPON ONU service management Download PDFInfo
- Publication number
- CN107911764A CN107911764A CN201711484666.9A CN201711484666A CN107911764A CN 107911764 A CN107911764 A CN 107911764A CN 201711484666 A CN201711484666 A CN 201711484666A CN 107911764 A CN107911764 A CN 107911764A
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- configuration file
- onu
- oam
- epon
- business
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
A kind of method for accelerating intensity EPON ONU service management, including step：S1, by ONU management and business relevant configuration, format organization forms different configuration files as desired, and imported into EPON OLT systems；S2, ONU reach the standard grade in registration process, and OLT is according to ONU types or business model, by the privately owned OAM message of extension, configuration file tagged words of the notice ONU needed for it；After S3, ONU receive the configuration file tagged word of its request, contrasted with local profile tagged word, and decide whether more new configuration file according to its result；If S4, configuration file tagged word are different, by data protocol layer document of agreement transmission method, from EPON OLT obtain new configuration file, renewal is locally configured, preserves new configuration file tagged word；If S5, configuration file tagged word are identical, notify OLT to complete quickly to start by the privately owned OAM message of extension and recover business.The present invention improves the service management efficiency of intensity FTTH systems, reduces operation and safeguards complexity.
Description
Technical field
The present invention relates to communication network access net EPON system ONU service management fields, and in particular to one kind is accelerated intensive
The method of EPON ONU service management, especially suitable for the business pipe in a large amount of ONU involved in highly dense type EPON OLT models
Manage category.
Background technology
With the continuous development of the communication technology and the exponential expansion of communication size, come this year in addition with video on demand, net
The high broadband services demand that network is played and IPVT is representative is continuously increased, steady as the high broadband of representative, low delay, transmission using FTTH
Fixed optical fiber technology broad development, this also brings the continuous growth of intensive EPON system demand, maintenance to its system and
Operation all brings higher requirement, and single service card, which has occurred, in existing market can support 16*64/32*64ONU data, complete machine branch
The high density intensity EPON equipment such as 12*16*64/16*32*64ONU is held, in the fields such as WPON then dense degree higher.
And the slow agreements of OAM that most of producer defines in the IEEE EPON still used during ONU service management at present,
In the intensive FTTH management in face of extensive, high branching ratio, OAM agreements are treated in terms of business configuration speed the shortcomings that especially
Improve.Particularly when the extensive ONU of appearance is re-registered or business configuration upgrades again, this shortcoming is then more prominent.
The content of the invention
The technical problem to be solved in the present invention is for existing ONU service management above shortcomings, there is provided Yi Zhongjia
The method of fast intensity EPON ONU service management, improves the service management efficiency of intensity FTTH systems, reduces operation and dimension
Protect complexity.
The present invention is that technical solution is used by solving above-mentioned technical problem：
A kind of method for accelerating intensity EPON ONU service management, comprises the following steps：
S1, by ONU management and business relevant configuration carry out tissue according to device type or business demand form, is formed not
With configuration file, and imported into EPON OLT systems, different configuration files obtains different and only by HASH algorithms
One configuration file tagged word；
S2, ONU reach the standard grade in registration process, and OLT is according to ONU types or business model, by the privately owned OAM message of extension,
Notify configuration file tagged words of the ONU needed for it；
S3, ONU are received after OLT in step S2 informs its configuration file tagged word, with the local configuration file preserved
Tagged word contrasts, and judges whether to need to carry out config update to local configuration file；
If S4, configuration file tagged word are different, ONU starts renewal plan, is passed by data protocol layer document of agreement
Transmission method, from EPON OLT obtain new configuration file, renewal is locally configured, preserves new configuration file tagged word；
If S5, configuration file tagged word are identical, OLT is notified to complete quick start by the privately owned OAM message of extension
And recover business.
By such scheme, in the step S1, the configuration file substitution slow agreements of IEEE802.33EPON OAM, as ONU
The main means of service management, configuration file obtain its unique sign by HASH algorithms：The configuration file feature of 32-bit number
Word.
It is specifically privately owned according to the general format of IEEE802.3EPON OAM, extension in the step S2 by such scheme
OAM message, including configuring request OAM, response message OAM, business recovery success notification event OAM, business recovery failure notification
Event OAM, for the interaction configuration information between EPON system.
By such scheme, in the step S4, data protocol layer document of agreement transmission method is specially to be based on ISO pattern numbers
Document transmission method according to MAC Address in link layer for the point-to-point of addressing.
By such scheme, in the step S5, if it is OLT to receive the business recovery success notification event OAM that ONU is reported
Main method whether differentiation business fast quick-recovery.
The operation principle of the present invention：The present invention is based on EPON system defined in IEEE 802.3ad specifications, redefines
ONU registration managements and the model of service management, the method that traditional IEEE OAM management is changed to configuration file management, ONU
The relevant configuration of business is mainly carried out by configuration file, OAM message then aid in carrying out some must information exchange, with this
Dependence to slow agreement OAM is reduced, except ONU needs upgrading configuration under first configuring condition, other ONU in most cases
It can directly start from local profile, largely reduce the dependence to OLT dynamic configurations, accelerate the business pipe of whole EPON system
Manage efficiency.
The beneficial effect comprise that：
1st, under the weaker background of embedded system CPU disposal abilities, the service management efficiency of whole EPON system is lifted,
Accelerate the recovery efficiency under the various application scenarios of intensity FTTH, including plug optical fiber, disconnected fibre recover, system cut-off recovers, matches somebody with somebody
Put the efficiency such as renewal；
2nd, according to China's standard《Passive optical network (EPON) technical requirements based on ether net mode》Technical requirements, its
In especially define the time-out after OAM failures and retransmission mechanism, according to time-out, 3 seconds etc. to be answered or the mechanism of Retransmission timeout 3 times,
The configuration service OAM errors of wherein some ONU, will all seriously affect business configuration and the recovery time of other ONU；Therefore,
In the case of most of deployed and operation, by the method for this dynamic contrast file characteristic word, it can reduce a large amount of ONU's
Business configuration event, mitigates the load pressure that intensity OLT handles a large amount of OAM interactions, the overall quick industry for lifting EPON system
Business recovery capability；
3rd, dedicated technician or expert can remotely evaluate as a result of the way to manage of configuration file, configuration, and
Situ configuration is not required, accelerates the operating efficiency for safeguarding operation personnel；Troubleshooting can also directly against configuration file into
Row analysis, without carrying out execute-in-place to physical device；
4th, the method for the present invention also extends 4 kinds of necessary IEEE OAM exchange message and thing for the business model of this new wound
Part, the message exchange between model is completed to minimum expense；It is new to have created the file biography based on point-to-point of the MAC Address for addressing
Transmission method, directly can transmit text between EPON OLT and ONU, be not required to go again to dispose Dynamic Host Configuration Protocol server or other IP/TCP layers
Server carries out traditional IP files transmission, achievees the purpose that equipment automatically configures, and reduces operation and requires.
Brief description of the drawings
Fig. 1 is the institutional framework and hierarchical specification figure of ONU business configurations file of the present invention；
Fig. 2 is the method flow diagram that the present invention accelerates intensity EPON ONU service management；
Fig. 3 implements the point-to-point file transput declaration figure based on MAC Address for the present invention；
Fig. 4 is the code table that character of the embodiment of the present invention is encoded according to ASCII.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.
The explanation of ONU business configuration files is introduced in embodiment first.With reference to shown in Fig. 1, ONU business configuration files are necessary
Tissue is carried out according to certain form, the content of file includes but not only limits following main part：
1st, the information of the version information of configuration file, coding information, matching unit type or business, configuration file feature
Word, can also include company-information and necessary timestamp；
2nd, business configuration model：With<XXX>With</XXX>For one group of config set, the object letter of indispensability is specified in config set
Breath and configuration information, including configuration object, index, specified services type, specified services pattern, the configuration data of specified services
Deng.Same config set can carry out the setting of configuration subset according to complexity or topological logic, as shown<
ResourceLocator>Config set is<BoardInfo>Configuration subset, nested level can gradually spread out；
3rd, the text and grammer being easily understood, are described allocation models with ASCII coding modes, specify the volume of data
Code type, data length, the data structure that can arrange complex model are encoded and parsed.
The parsing of configuration file and the basic demand that examination is EPON OLT/ONU, are also to speed up service deployment and management
Basis.
With reference to shown in Fig. 2, the method for quickening intensity EPON ONU service management of the embodiment of the present invention, including following step
Suddenly：
S1, plug optical fiber, it is disconnected fine recover, under the EPON system operation scene that system cut-off recovers, config update is common,
When ONU initiates to re-register, OLT can pass through China's national standard《Passive optical network (EPON) skill based on ether net mode
Art requirement》Specified in OAM go to read the basic equipment information such as the device type of ONU, MAC Address；
S2, following China's national standard《Passive optical network (EPON) technical requirements based on ether net mode》Basis
On, with reference to the business configuration demand of operation planning, the OAM forms that OLT informs the configuration file tagged word of ONU are extended, for ONU
Carry out judgement whether config update；
S3, OLT are only needed after the information such as the device type of ONU are identified substantially, then no longer carry out the slow agreements of other OAM
Business configuration, by business configuration logic from tradition one by one OAM configuration be changed into through consultation confirmation configuration file tagged word, sentence
Whether disconnected business needs to reconfigure or fast quick-recovery；
S4, when the business configuration file characteristic word of ONU locals it is different from the configuration file tagged word of the OLT ONU informed, then
Show that ONU is in more new state to be upgraded, such a situation typically occurs in the feelings of ONU newly accesses or operation planning business change
Under condition；ONU in upgrading more new state, by the point-to-point document transmission method based on MAC, by matching configuration file spy
Word is levied, correct configuration file is obtained from EPON OLT, the renewal of ONU local profiles is then automatically performed, preserves newly
Configuration file tagged word；
S5, when the business configuration file characteristic word of ONU locals it is identical with the configuration file tagged word of the OLT ONU informed, then
Show that ONU is in quickly to start and recover service condition.
The method of the present invention for accelerating intensity EPON ONU service management, includes one kind and is based on ISO pattern numbers
Document transmission method according to MAC Address in link layer for the point-to-point of addressing, with reference to shown in Fig. 3, wherein parameters are explained such as
Under：
DstMacAddr：Purpose MAC, to indicate the receiving terminal of message；
SrcMacAddr：Source MAC, to indicate the transmitting terminal of message；
OpcodeType：Command code, to ask configuration/inquiry operation；
keyIndex：Configuration file tagged word；
Sequence：File stream sequence；
iRet/Length：File conveying length or return code.
With reference to shown in Fig. 4, the present invention extends IEEE OAM progress according to the general format of IEEE802.3EPON OAM
Necessary configuration file tagged word inquiry and response, business configuration reporting events message format.Wherein OUI field is used for indicating this
The condition code of extended field；4 types that Ext.opcode is defined, then corresponded to respectively configuring request OAM, response message OAM,
Business recovery success notification event OAM, business recovery failure notification event OAM.
The present invention is not restricted to listed utilization in specification and embodiment, comes for those skilled in the art
Say, make various corresponding changes and modification according to the present invention, corresponding change and modification belong to the claims in the present invention
Protection domain.
Claims (5)
- A kind of 1. method for accelerating intensity EPON ONU service management, it is characterised in that comprise the following steps：S1, by ONU management and business relevant configuration carry out tissue according to device type or business demand form, formed different Configuration file, and EPON OLT systems are imported into, different configuration files is obtained different and unique by HASH algorithms Configuration file tagged word；S2, ONU reach the standard grade in registration process, and OLT passes through the privately owned OAM message of extension, notice according to ONU types or business model Configuration file tagged words of the ONU needed for it；S3, ONU are received after OLT in step S2 informs its configuration file tagged word, with the local configuration file feature preserved Word contrasts, and judges whether to need to carry out config update to local configuration file；If S4, configuration file tagged word are different, ONU starts renewal plan, passes through data protocol layer document of agreement transmission side Method, from EPON OLT obtain new configuration file, renewal is locally configured, preserves new configuration file tagged word；If S5, configuration file tagged word are identical, complete quickly to start by the privately owned OAM message notice OLT of extension and extensive Restitution is engaged in.
- 2. the method according to claim 1 for accelerating intensity EPON ONU service management, it is characterised in that the step In S1, the configuration file substitution slow agreements of IEEE802.33EPON OAM, as the main means of ONU service management, configuration file Its unique sign is obtained by HASH algorithms：The configuration file tagged word of 32-bit number.
- 3. the method according to claim 1 for accelerating intensity EPON ONU service management, it is characterised in that the step In S2, specifically according to the general format of IEEE802.3EPON OAM, privately owned OAM message, including configuring request OAM, response are extended Message OAM, business recovery success notification event OAM, business recovery failure notification event OAM, for the interaction between EPON system Configuration information.
- 4. the method according to claim 1 for accelerating intensity EPON ONU service management, it is characterised in that the step In S4, data protocol layer document of agreement transmission method is specially the point for addressing based on MAC Address in ISO model data link layers To the document transmission method of point.
- 5. the method that embedded device configuration file according to claim 3 synchronously compares, it is characterised in that the step In S5, if it is main whether OLT differentiates business fast quick-recovery to receive the business recovery success notification event OAM that ONU is reported Method.
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