CN101192968A - A method for automatically getting optical network connection relation - Google Patents
A method for automatically getting optical network connection relation Download PDFInfo
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- CN101192968A CN101192968A CNA2006101456229A CN200610145622A CN101192968A CN 101192968 A CN101192968 A CN 101192968A CN A2006101456229 A CNA2006101456229 A CN A2006101456229A CN 200610145622 A CN200610145622 A CN 200610145622A CN 101192968 A CN101192968 A CN 101192968A
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Abstract
The invention discloses a method for automatically acquiring connection relation of an optical network, which includes the following steps: a connection relation information model for each optical interface of a veneer is formulated according to physical position of the veneer in a node; the veneer modulates the connection relation information model into an optical signal for transmission before transmitting the optical signal through an optical output interface of the veneer; when the optical signal is received through the optical input interface, the connection relation information model is analyzed; when the connection relation information model varies, the connection relation information model is actively reported to a control processing module of the veneer and the control processing module actively reports the updated connection relation information model to a network management system; and the network management system reveals internal connection relation of the node by means of a graphical or text data table. The technical proposal of the invention requires no artificial connection assignment; and at the same time automatically acquires the connection relation among the network resources and also provides support for automatic resource discovery in an intelligent optical network.
Description
Technical field
The present invention relates to the implementation method that a kind of connection relation of optical network obtains automatically, belong to the optical communication field.Be particularly related to the implementation method that the network annexation of the Optical Transmission Network OTN that adopts wave division multiplexing WDM (Wavelength Division Multiplexing) technology is obtained automatically.
Background technology
Technical development and extensive use along with optical transport network, network manager also constantly improves the requirement of the intelligent degree of optical network management system thereupon, the optical transport network management system has begun by traditional NE-level network management system (EMS for this reason, Element Management System) to network level network management system (NMS, Network Management system) carries out evolution, the architecture of optical transmission device presents the development trend to ASON (ASON, Automatically SwitchedOptical Network).The major function that the network level network management system need realize comprises: the whole network accident analysis and fault location, the analysis of the whole network performance synthesis, provide professional end-to-end configuration and management etc. based on wavelength or passage from the level of service operation and network management for the user, and realize that above-mentioned functions all is to be based upon on the basis that obtains the optical fiber connection relation between each functional module of intra-node in advance.
Industry mainly is to realize by the manual mode of setting up of network management interface after the optical fiber physical connection of establishing node device about the acquisition methods of optical network optical fiber annexation again at present, the main deficiency of this mode is exactly to need the network management system operating personnel to set up all connections by network management interface fully, and operating procedure is very complicated and cause operating mistake to take place easily; And network fiber connects when changing in maintenance process, and management system can not be carried out real-time automatically renewal to annexation according to network configuration change and be handled.
Summary of the invention
Technical problem to be solved by this invention has been to propose a kind of method that can obtain the inner annexation of optical network node automatically, in the past can only be to solve by artificial connection assignment mode, reach the annexation between the Internet resources, and can't carry out the problem that real-time automatically renewal is handled to annexation according to network configuration change.
In order to address the above problem, the invention provides the method that a kind of connection relation of optical network obtains automatically, be applied to it is characterized in that in each the intra-node annexation in the optical transport network, may further comprise the steps:
(1) network management system is set up management communication by each veneer of node in network management information data channel and the optical-fiber network and is got in touch, and formulates the connection relation information model that this optical interface is arranged in each optical interface of veneer;
(2) to each veneer of optical network node, be input to by optical interface at a certain light signal before the light signal reception/transmission processing module of this veneer, the connection relation information model solution that the input signal source modulation is inserted in this light signal separates out, and the veneer control treatment module that sends in the veneer is handled; Before the light signal of handling through light signal receptions/the transmissions processing module of veneer is by the optical interface transmission, by the veneer control treatment module connection relation information model of corresponding optical interface is modulated to be loaded in the light signal and go, send by optical interface together;
(3) described veneer control treatment module regularly sends the connection relation information model to all optical interfaces of affiliated veneer, the connection relation information model that described veneer control treatment module of while parses by all optical interface polls that monitor this veneer, when the connection relation information model changes, described veneer control treatment module is carried out record, and by the connection relation information model of network management information data channel after network management system initiatively reports renewal.
Method of the present invention, wherein, described step (2) comprising: each veneer of node is provided with the link information demodulation module in the optical-fiber network, be used for light signal is input to the light signal reception/transmission processing module of veneer by optical interface before, input signal source modulation be inserted into connection relation information model solution in the light signal separate out and send to veneer control treatment module in the veneer;
Described step (2) also comprises: each veneer of node is provided with link information modulation insert module in the optical-fiber network, be used for before the light signal of handling through the light signal reception/transmission processing module of veneer sends by optical interface, by the veneer control treatment module connection relation information model of corresponding optical interface modulated to be loaded in the light signal and go.
Method of the present invention, wherein, the data content in the described step (1) in the optical interface connection relation information model model comprises: node identification information, single plate address information and interface identifier information; Wherein, described node identification information is used to represent that the signal of current light signal sends the node at veneer place, source, described single plate address information is used to represent that the signal of current light signal sends the physical address information of source veneer, and the signal that described interface identifier information is used for identifying current light signal sends source veneer optical interface;
Data content in the described step (1) in the optical interface connection relation information model further comprises: the interface wavelength information is used to represent the wavelength identification information of current light signal correspondence; And interface rate information, be used to represent the transfer rate information of current light signal correspondence;
Single plate address information in the data content in the described step (1) in the optical interface connection relation information model, because each veneer in node all has different separately physical addresss, single plate address information adopts shelf number (2 byte)+sub-frame number (1 byte)+slot number mode (1 byte) coded system.
Method of the present invention, wherein, described step (2) further comprises: when optical interface did not have the light signal input, the connection relation information model of this optical interface was blank, then represents the not corresponding any annexation of this optical interface.
Method of the present invention, wherein, optical interface in the described step (1) further comprises: according to light input interface and the light output interface that the flow direction of light signal is divided into, it is respectively applied for veneer under the expression and carries out with other veneer in network management system, the node that light signal receives and the physical interface of transmission.
Method of the present invention, wherein, the light signal reception/transmission processing module in the described step (2) is used for according to the function of affiliated veneer at node, realizes the processing that light signal receives and sends.
Method of the present invention, wherein, described step further comprises in (3): network management system shows the inside annexation of node by the mode of graphical or text data table.
The technical solution of the present invention, by having proposed a kind of method that can obtain the inner annexation of network node automatically, and need be by artificial connection assignment mode; To the obtaining automatically of the annexation between the Internet resources, also find to provide support simultaneously for the automatic resource in the ASON.
Meanwhile, method of the present invention, compared with prior art, owing to do not need to set up the annexation of network node by the mode of manual entry, automatically insert and resolve the connection relation information model of corresponding optical interface by system single board, realize the automatic configuration foundation of annexation, reach the effect that reduces system maintenance cost and network annexation real time automatic update.
Description of drawings
Fig. 1 is the described veneer internal structure of an embodiment of the invention schematic diagram;
Fig. 2 is that the described connection relation of optical network of the embodiment of the invention obtains flow chart automatically;
Fig. 3 is the inner connecting structure figure of the optical transmission system of point-to-point in the optical network node of wavelength division multiplexing type of described two 40 ripples of the embodiment of the invention.
Embodiment
The present invention is in order to solve the drawback that conventional solution exists, further set forth the implementation method that a kind of connection relation of optical network of the present invention obtains automatically by following specific embodiment, below embodiment is described in detail, but not as a limitation of the invention.
Each node in the optical transport network all is made up of the veneer of realizing difference in functionality, connects by optical fiber interface between the different veneers between intra-node and the node, and the internal structure of each function veneer is formed, as shown in Figure 1:
As can be seen from Figure 1, the described function veneer of the embodiment of the invention comprises that following a few part constitutes:
Link information modulation insert module 102, function are before a certain light signal sends by optical interface, by veneer control treatment module 105 the connection relation information model of corresponding optical interface are modulated to be loaded in this light signal and go.
Link information demodulation module 103, function is a certain light signal is input to the light signal reception/transmission processing module 104 of veneer by optical interface before, and the connection relation information model solution that input signal source is modulated in the light signal separates out and send to processing in the veneer control treatment module 105.
Light signal reception/transmission processing module 104, the effect of this functional module are according to the function of current single board in system, realize that light signal receives and send processing capacity.
Veneer control treatment module 105, the communication channel of this module by veneer inside is mainly used to realize the control operation to other functional part of veneer, comprise and from link information demodulation module 103, read the connection relation information model, insert the connection relation information model to link information modulation insert module 102.
The data content of the optical interface connection relation information model that the embodiment of the invention proposed comprises following few component parts:
(1) node identification information represents that the signal of current light signal sends the node at veneer place, source.
(2) single plate address information represents that the signal of current light signal sends the physical address information of source veneer (position in chassis equipment), and each veneer in the node all has different separately physical addresss.For example adopt " shelf number (2 byte)+sub-frame number (1 byte)+slot number mode (1 byte) " coded system to express usually.
(3) interface identifier information, the signal that is used for identifying current light signal sends source veneer optical interface.
(4) interface wavelength information is represented the wavelength identification information of current light signal correspondence.
(5) interface rate information is represented the transfer rate information of current light signal correspondence.
Wherein, interface wavelength information and interface rate information can be used as the use of connection relation information model checking and other function of system (as resource discovering) and use.
In order to further specify method proposed by the invention, the method that connection relation of optical network obtains automatically is illustrated below in conjunction with the application example of a wavelength division multiplexed optical network node system.
As shown in Figure 3, be the optical transmission system of a point-to-point of forming by the optical network node of the wavelength division multiplexing type of two 40 ripples.For between the system node and the upstream and downstream syntople of the light signal between each function veneer of intra-node, be the physical connection that realizes each veneer optical interface by the optical fiber connected mode.The method according to this invention, all comprise connection relation information model modulation and demodulation molding piece on the function veneer that each piece of system exists optical signal transceiver to handle, this module can adopt comparatively ripe at present accent top technology (Pilot tone modulation) to be implemented on the basis that veneer received and sent light signal processing to connection relation information model modulation and demodulation system.
In network shown in Figure 3 connects, node A internal physical annexation is described below: by the light signal of light transmitting element (OTUT) transmission wavelength 1 (corresponding wavelength-division system standard wave length is 1560.61nm), be connected to the corresponding input optical interface 1 of photosynthetic ripple veneer (OMU) of node A by optical fiber; Light signal closes ripple processing back through OMU and sends to the rearmounted processing and amplifying veneer (OBA) of light by the optical fiber connection then, and the OBA veneer will send to Node B by optical fiber connection between node through the light signal that amplifies then;
Node B internal physical annexation is described below: the input optical interface that is connected to the preposition amplification veneer of light (OPA) of Node B from the light signal of node A by optical fiber, handle veneer (ODU) through the light signal after the OPA processing and amplifying by the light partial wave that intra-node optical fiber is connected to Node B, handle of output optical interface 1 output of the light signal of the wavelength 1 that obtains through the ODU partial wave, be connected to the light-receiving veneer (OTUR) of Node B by optical fiber from ODU.
In conjunction with shown in Figure 2, according to the proposed method, the step that the described connection relation of optical network of realization Fig. 3 obtains automatically is as follows:
Step 201, network management system can be set up the management communication contact with each function veneer of optical network node by the management information data passage, and define optical interface connection relation information model (information that comprises is referring to the description of front) at each optical interface of veneer.
Step 202, for each veneer in the optical network node, before a certain smooth output interface by self sends light signal, calculate the connection relation information model of this output light signal by the veneer processing and control module, and by link information modulation insert module the connection relation information model is inserted into light signal and sends by the light output interface together;
Before the light signal that receives from a certain smooth input interface, the connection relation information model solution of the modulation of transmission source being inserted by the link information demodulation module separates out in advance, and sends to the veneer control treatment module by communication channel between plate.
Because the connection relation information model is optical interface generation and the insertion that sends the source veneer at light signal, in light signal input interface dissection process, so following need are formulated the connection relation information model at the output optical interface of each veneer:
In Fig. 3, OTUT veneer (node A):
The information that last table is described is inserted at the output optical interface of the OTUT of node A veneer, the optical channel input interface 1 of the OMU veneer of the node A that connects at optical fiber is resolved to come out, by the processing and control module report network management system of OMU veneer, realize the obtaining automatically of annexation of the OTUT of node A and OMU veneer.
The optical channel input interface 2-40 of the OMU veneer of node A does not have light signal to insert, so the connection relation information model that homographic solution separates out is for empty, by the processing and control module report network management system of OMU veneer, there is not annexation in the optical channel input interface 2-40 of the OMU veneer of node A.
OMU veneer (node A):
The information that last table is described is inserted at the output optical interface of the OMU of node A veneer, the optical multiplexing section input interface 1 of the OBA veneer that connects at optical fiber is resolved to come out, by the processing and control module report network management system of the OBA veneer of node A, realize the obtaining automatically of annexation of the OMU of node A and OBA veneer.
OBA veneer (node A):
The information that last table is described is inserted at the output optical interface of the OBA of node A veneer, the optical multiplexing section input interface 1 of the OPA veneer of the Node B that connects at optical fiber is resolved to come out, by the processing and control module report network management system of the OPA veneer of Node B, realize the obtaining automatically of annexation of the OPA veneer of the OBA of node A and Node B.
OPA veneer (Node B):
The information that last table is described is inserted at the output optical interface of the OPA of Node B veneer, the optical multiplexing section input interface 1 of the ODU veneer of the Node B that connects at optical fiber is resolved to come out, by the processing and control module report network management system of the ODU veneer of Node B, realize the obtaining automatically of annexation of the ODU veneer of the OPA of Node B and Node B.
ODU veneer (Node B):
The information that last table is described is inserted at the optical channel output optical interface 1-40 of the ODU of Node B veneer respectively, wherein the optical channel input interface 1 of the OTUR veneer of the Node B that connects at optical fiber of the information of optical channel output interface 1 is resolved comes out, by the processing and control module report network management system of the OTUR veneer of Node B, realize the obtaining automatically of annexation of the OTUR veneer of the optical channel output interface 1 of ODU veneer of Node B and Node B.
Step 203, veneer control treatment module regularly send the connection relation information model to the link information insert module of all light input interfaces of affiliated veneer; The connection relation information model that parses of the demodulation module poll of all the light output interfaces by monitoring veneer simultaneously, when changing, the connection relation information model initiatively reports the veneer control treatment module, and by the connection relation information model of veneer control treatment module after network management system initiatively reports renewal.
Step 204, according to the result of step 203, network management system shows the inside annexation of node by the mode of graphical or text data table.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the method that connection relation of optical network obtains automatically is applied to it is characterized in that in each the intra-node annexation in the optical transport network, may further comprise the steps:
(1) network management system is set up management communication by each veneer of node in network management information data channel and the optical-fiber network and is got in touch, and formulates the connection relation information model that this optical interface is arranged in each optical interface of veneer;
(2) to each veneer of optical network node, be input to by optical interface at a certain light signal before the light signal reception/transmission processing module of this veneer, the connection relation information model solution that the input signal source modulation is inserted in this light signal separates out, and the veneer control treatment module that sends in the veneer is handled; Before the light signal of handling through light signal receptions/the transmissions processing module of veneer is by the optical interface transmission, by the veneer control treatment module connection relation information model of corresponding optical interface is modulated to be loaded in the light signal and go, send by optical interface together;
(3) described veneer control treatment module regularly sends the connection relation information model to all optical interfaces of affiliated veneer, the connection relation information model that described veneer control treatment module of while parses by all optical interface polls that monitor this veneer, when the connection relation information model changes, described veneer control treatment module is carried out record, and by the connection relation information model of network management information data channel after network management system initiatively reports renewal.
2. the method for claim 1, it is characterized in that, described step (2) comprising: each veneer of node is provided with the link information demodulation module in the optical-fiber network, be used for light signal is input to the light signal reception/transmission processing module of veneer by optical interface before, input signal source modulation be inserted into connection relation information model solution in the light signal separate out and send to veneer control treatment module in the veneer.
3. the method for claim 1, it is characterized in that, described step (2) comprising: each veneer of node is provided with link information modulation insert module in the optical-fiber network, be used for before the light signal of handling through the light signal reception/transmission processing module of veneer sends by optical interface, by the veneer control treatment module connection relation information model of corresponding optical interface modulated to be loaded in the light signal and go.
4. the method for claim 1 is characterized in that, the data content in the described step (1) in the optical interface connection relation information model comprises: node identification information, single plate address information and interface identifier information; Wherein, described node identification information is used to represent that the signal of current light signal sends the node at veneer place, source, described single plate address information is used to represent that the signal of current light signal sends the physical address information of source veneer, and the signal that described interface identifier information is used for identifying current light signal sends source veneer optical interface.
5. method as claimed in claim 4 is characterized in that, the data content in the described step (1) in the optical interface connection relation information model further comprises: the interface wavelength information is used to represent the wavelength identification information of current light signal correspondence; And interface rate information, be used to represent the transfer rate information of current light signal correspondence.
6. the method for claim 1 is characterized in that, described step further comprises in (3): network management system shows the inside annexation of node by the mode of graphical or text data table.
7. method as claimed in claim 4, it is characterized in that, single plate address information in the data content in the described step (1) in the optical interface connection relation information model, because each veneer in node all has different separately physical addresss, single plate address information adopts shelf number+sub-frame number+slot number mode coded system.
8. the method for claim 1 is characterized in that, described step (2) further comprises: when optical interface did not have the light signal input, the connection relation information model of this optical interface was blank, then represents the not corresponding any annexation of this optical interface.
9. the method for claim 1, it is characterized in that, optical interface in the described step (1) further comprises: according to light input interface and the light output interface that the flow direction of light signal is divided into, it is respectively applied for veneer under the expression and carries out with other veneer in network management system, the node that light signal receives and the physical interface of transmission.
10. the method for claim 1 is characterized in that, the light signal reception/transmission processing module in the described step (2) is used for according to the function of affiliated veneer at node, realizes the processing that light signal receives and sends.
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| CN101834663A (en) * | 2010-04-08 | 2010-09-15 | 中兴通讯股份有限公司 | Detection method and system of optical fiber connection |
| CN101895340A (en) * | 2010-07-21 | 2010-11-24 | 华为技术有限公司 | Optical fiber connection relation checking method and device |
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| CN103370889A (en) * | 2012-02-22 | 2013-10-23 | 华为技术有限公司 | Wavelength path performance monitoring method, system and node equipment |
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| CN103916279A (en) * | 2014-04-14 | 2014-07-09 | 华为技术有限公司 | Method and device for displaying logical connection of electronic frames |
| CN103916279B (en) * | 2014-04-14 | 2017-06-27 | 华为技术有限公司 | The method and device of display electronics frame logic connection |
| CN108710716A (en) * | 2018-03-29 | 2018-10-26 | 中国联合网络通信集团有限公司 | Light puts the design drawing generation method and device at station in a kind of optical transmission system |
| CN112118497A (en) * | 2019-06-19 | 2020-12-22 | 中兴通讯股份有限公司 | Resource management and configuration method, device, equipment and storage medium |
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| CN112118497B (en) * | 2019-06-19 | 2023-02-17 | 中兴通讯股份有限公司 | Resource management and configuration method, device, equipment and storage medium |
| CN110417660A (en) * | 2019-08-07 | 2019-11-05 | 南方电网科学研究院有限责任公司 | Communication control method, inter-station router device and simulation test system |
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