CN101192983A - A system for automatically getting connection relation of optical network - Google Patents
A system for automatically getting connection relation of optical network Download PDFInfo
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- CN101192983A CN101192983A CNA2006101607318A CN200610160731A CN101192983A CN 101192983 A CN101192983 A CN 101192983A CN A2006101607318 A CNA2006101607318 A CN A2006101607318A CN 200610160731 A CN200610160731 A CN 200610160731A CN 101192983 A CN101192983 A CN 101192983A
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Abstract
The invention discloses a system for automatically acquiring connection relation in an optical network. The system is applied in the internal connection relation of each node in an optical transport network and comprises a network management system device, a veneer control processing device, an optical signal receiving/sending processing device, a connection information modulation and insertion device and a connection information demodulation device. The system of the invention requires no artificial connection assignment; and at the same time automatically acquires the connection relation among network resources and also provides support for automatic resource discovery in an intelligent optical network.
Description
Technical field
The present invention relates to the system that a kind of connection relation of optical network obtains automatically, belong to the optical communication field.Be particularly related to the system 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 equipment that obtains 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 system 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 system 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, comprising:
The network management system device is used for setting up management communication by each veneer of network management information data channel and optical-fiber network node and gets in touch, simultaneously to formulating the connection relation information model of this optical interface in each optical interface of veneer;
Veneer control and treatment device is used for realizing control operation to other functional part of veneer by the communication channel of veneer inside; Regularly all optical interfaces to affiliated veneer send the connection relation information model, the connection relation information model that parses by all optical interface polls that monitor this veneer simultaneously, when the connection relation information model changes, described veneer control and treatment device carries out record, and by the connection relation information model of network management information data channel after described network management system device initiatively reports renewal;
Light signal reception/transmission processing unit is used for according to the function of current single board in system, realizes that light signal receives and send processing capacity;
Device is inserted in the link information modulation, is used for before a certain light signal sends by optical interface, by described veneer control and treatment device the connection relation information model of corresponding optical interface is modulated to be loaded in this light signal and goes;
Link information rectification device, be used for a certain light signal is input to the light signal reception/transmission processing unit of veneer by optical interface before, input signal source be modulated to connection relation information model solution in the light signal separate out and send in the described veneer control and treatment device and handle.
System of the present invention, wherein, described veneer control and treatment device is further used for when optical interface does not have the light signal input, and the connection relation information model of this optical interface is blank, then represents the not corresponding any annexation of this optical interface.
System of the present invention, wherein, described optical interface is used for being divided into light input interface and light output interface according to the flow direction of light signal, is respectively applied for the physical interface that veneer carries out the light signal reception and sends in affiliated veneer of expression and network management system device, other node.
System of the present invention, wherein, described network management system device is further used for by the mode of graphical or text data table the inside annexation of node being shown.
System of the present invention, wherein, the data content in the connection relation information model of described optical interface comprises: node identification information, single plate address information and interface identifier information; Wherein, described node identification information, be used to represent that the signal of current light signal sends the node at veneer place, source, described single plate address information, be used to represent that the signal of current light signal sends the physical address information of source veneer, described interface identifier information, the signal that is used to identify current light signal sends source veneer optical interface;
Data content in the connection relation information model of described optical interface further comprises: the interface wavelength information is used to represent the wavelength identification information of current light signal correspondence; Reach 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 connection relation information model of described optical interface, 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.
The technical solution of the present invention, by having proposed a kind of system 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, system 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 internal structure schematic diagram of the described system of the embodiment of the invention in the function veneer;
Fig. 2 is the method flow diagram that the described connection relation of optical network of the embodiment of the invention obtains 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 system 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, connect by optical fiber interface between the different veneers between intra-node and the node, the described system of the embodiment of the invention forms in the internal structure of each function veneer, as shown in Figure 1:
As can be seen from Figure 1, the described system of the embodiment of the invention comprises that in the function veneer following a few part constitutes:
Link information rectification device 103, function is a certain light signal is input to the light signal reception/transmission processing unit 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 and treatment device 105.
Light signal reception/transmission processing unit 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 and treatment device 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 from link information rectification device 103 and read the connection relation information model, insert device 102 to the link information modulation and insert the connection relation information model.
Network management system device 106, veneer control and treatment device 105 is by the connection relation information model of network management information data channel after network management system device 106 reports the current single board renewal.
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 system proposed by the invention, the system 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.According to system of the present invention, all comprise connection relation information model modulation and demodulation system device on the function veneer that each piece of system exists optical signal transceiver to handle, this device 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, the system that proposes according to the present invention can also realize the method that the described connection relation of optical network of Fig. 2 obtains automatically, comprises that step is as follows:
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.
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 (7)
1. the system 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, comprising:
The network management system device is used for setting up management communication by each veneer of network management information data channel and optical-fiber network node and gets in touch, simultaneously to formulating the connection relation information model of this optical interface in each optical interface of veneer;
Veneer control and treatment device is used for realizing control operation to other functional part of veneer by the communication channel of veneer inside; Regularly all optical interfaces to affiliated veneer send the connection relation information model, the connection relation information model that parses by all optical interface polls that monitor this veneer simultaneously, when the connection relation information model changes, described veneer control and treatment device carries out record, and by the connection relation information model of network management information data channel after described network management system device initiatively reports renewal;
Light signal reception/transmission processing unit is used for according to the function of current single board in system, realizes that light signal receives and send processing capacity;
Device is inserted in the link information modulation, is used for before a certain light signal sends by optical interface, by described veneer control and treatment device the connection relation information model of corresponding optical interface is modulated to be loaded in this light signal and goes;
Link information rectification device, be used for a certain light signal is input to the light signal reception/transmission processing unit of veneer by optical interface before, input signal source be modulated to connection relation information model solution in the light signal separate out and send in the described veneer control and treatment device and handle.
2. the system as claimed in claim 1 is characterized in that, described veneer control and treatment device is further used for when optical interface does not have the light signal input, and the connection relation information model of this optical interface is blank, then represents the not corresponding any annexation of this optical interface.
3. the system as claimed in claim 1, it is characterized in that, described optical interface, be used for being divided into light input interface and light output interface, be respectively applied for the physical interface that veneer carries out the light signal reception and sends in affiliated veneer of expression and network management system device, other node according to the flow direction of light signal.
4. the system as claimed in claim 1 is characterized in that, described network management system device is further used for by the mode of graphical or text data table the inside annexation of node being shown.
5. the system as claimed in claim 1 is characterized in that, the data content in the connection relation information model of described optical interface comprises: node identification information, single plate address information and interface identifier information; Wherein, described node identification information, be used to represent that the signal of current light signal sends the node at veneer place, source, described single plate address information, be used to represent that the signal of current light signal sends the physical address information of source veneer, described interface identifier information, the signal that is used to identify current light signal sends source veneer optical interface.
6. system as claimed in claim 5 is characterized in that, the data content in the connection relation information model of described optical interface further comprises: the interface wavelength information is used to represent the wavelength identification information of current light signal correspondence; Reach interface rate information, be used to represent the transfer rate information of current light signal correspondence.
7. system as claimed in claim 5, it is characterized in that, single plate address information in the data content in the connection relation information model of described optical interface, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101607318A CN101192983A (en) | 2006-11-29 | 2006-11-29 | A system for automatically getting connection relation of optical network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006101607318A CN101192983A (en) | 2006-11-29 | 2006-11-29 | A system for automatically getting connection relation of optical network |
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| CN101192983A true CN101192983A (en) | 2008-06-04 |
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| CNA2006101607318A Withdrawn CN101192983A (en) | 2006-11-29 | 2006-11-29 | A system for automatically getting connection relation of optical network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895340A (en) * | 2010-07-21 | 2010-11-24 | 华为技术有限公司 | Optical fiber connection relation checking method and device |
| CN101917227A (en) * | 2010-08-27 | 2010-12-15 | 中兴通讯股份有限公司 | Method and device for processing resource state information of transmission node |
| CN105721186A (en) * | 2014-12-04 | 2016-06-29 | 华为技术有限公司 | Method and apparatus for determining ODN connection relation |
| CN106788856A (en) * | 2016-11-04 | 2017-05-31 | 黄勇 | A kind of full granularity of multi-service based on SDH and MSTP technologies intersects intelligent cut-in method and system |
-
2006
- 2006-11-29 CN CNA2006101607318A patent/CN101192983A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895340A (en) * | 2010-07-21 | 2010-11-24 | 华为技术有限公司 | Optical fiber connection relation checking method and device |
| CN101895340B (en) * | 2010-07-21 | 2013-08-07 | 华为技术有限公司 | Optical fiber connection relation checking method and device |
| CN101917227A (en) * | 2010-08-27 | 2010-12-15 | 中兴通讯股份有限公司 | Method and device for processing resource state information of transmission node |
| WO2012024923A1 (en) * | 2010-08-27 | 2012-03-01 | 中兴通讯股份有限公司 | Method and device for processing resource state information of transmission nodes |
| CN105721186A (en) * | 2014-12-04 | 2016-06-29 | 华为技术有限公司 | Method and apparatus for determining ODN connection relation |
| CN105721186B (en) * | 2014-12-04 | 2019-11-26 | 华为技术有限公司 | A kind of determination method and device of ODN connection relationship |
| CN106788856A (en) * | 2016-11-04 | 2017-05-31 | 黄勇 | A kind of full granularity of multi-service based on SDH and MSTP technologies intersects intelligent cut-in method and system |
| CN106788856B (en) * | 2016-11-04 | 2019-02-26 | 黄勇 | A kind of full granularity of multi-service based on SDH and MSTP technology intersects intelligent cut-in method and system |
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