CN101854257B - Method and system for migrating connection management in automatic switch optical network (ASON) - Google Patents
Method and system for migrating connection management in automatic switch optical network (ASON) Download PDFInfo
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- CN101854257B CN101854257B CN201010186703.XA CN201010186703A CN101854257B CN 101854257 B CN101854257 B CN 101854257B CN 201010186703 A CN201010186703 A CN 201010186703A CN 101854257 B CN101854257 B CN 101854257B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000003287 optical effect Effects 0.000 title abstract description 3
- 238000013508 migration Methods 0.000 claims abstract description 176
- 230000005012 migration Effects 0.000 claims abstract description 176
- 108091034117 Oligonucleotide Proteins 0.000 claims description 76
- 230000008569 process Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000012986 modification Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 15
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 230000001617 migratory effect Effects 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 53
- 239000013307 optical fiber Substances 0.000 description 8
- 238000004321 preservation Methods 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
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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
- H04L41/04—Network management architectures or arrangements
- H04L41/046—Network management architectures or arrangements comprising network management agents or mobile agents therefor
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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
Abstract
The invention relates to a method and a system for migrating connection management in an automatic switch optical network (ASON). A network management layer determines to migrate soft permanent connection (SPC) information according to a final migration result reported by a first node of the ASON when the final migration result indicates successful migration of the SPC information of all ASON nodes. The method and the system have the advantages that: after being migrated successfully, the permanent connection information is saved by a network element agent layer and reported to the network management layer to ensure that information of the network element agent layer is accordant with that of the network management layer, so that the method is kept accordant with a conventional method for connection configuration through the network management layer; and after the SPC information is migrated successfully, the first node of the ASON informs the network management layer of successful migration and the network management layer migrates the SPC information according to the final migration result to avoid multiple times of migration and intermediate migration under the condition of failure migration, so that migration efficiency is improved and the load of the network management layer is lowered.
Description
Technical field
The present invention relates to the communications field, in particular to moving method and the system of connection management in a kind of ASON.
Background technology
Traditional optical-fiber network configures by NML is capable, by NML, completed the configuration of network, only preserve permanent connection (Permanent Connection, referred to as PC) information, and this permanent link information there is preservation at NML and network element Agent layer.As shown in Figure 1, traditional optical-fiber network is mainly by NML, network element Agent layer, and transmission plane formation, and wherein this transmission plane refers to that the veneer of concrete transport service connects a formed plane by optical fiber.
ASON (Automatic Switched Optical Network, ASON) is a kind of optical-fiber network that can realize automatic exchange of intelligence, has obtained at present certain development and application, and the trend that has range of application progressively to expand.
At present, in ASON network, existing traditional permanent link information, also has the new soft permanent connection that is applicable to ASON network (Soft Permanent Connection, referred to as SPC) information.For reasons such as network operations, need to carry out the migration of connection management, and then have the exchange message (being soft permanent connection information) that traditional exchange message being configured by NML (being permanent link information) is converted to the automatic management of ASON, and the reverse exchange message that ASON is managed is automatically converted to the needs of the exchange message of NML configuration.
Fig. 2 shows the composition schematic diagram of the optical-fiber network adding after ASON, this network mainly by: NML, network element Agent layer, transmit plane, and ASON control plane forms.Referring to Fig. 2, this network has following features:
Permanent link information is point-to-point, and each network element Agent layer has the permanent link information of preservation, and needs consistent with the permanent link information of NML preservation;
Soft permanent connection information is end to end, and network element Agent layer is not preserved soft permanent connection information, and this information is only kept on ASON control plane and NML.
In ASON, the migration of connection management relates to the migration cooperation between NML, network element Agent layer and ASON control plane three.In existing patent documentation, Chinese patent application 200810098298.9 discloses " moving method based on state conversion in a kind of ASON ", but this application just from the angle of ASON described each ASON node be how based on state conversion carry out the mutual migration of PC and SPC.
And the moving method of connection management in other existing ASON optical-fiber networks has following problem: for the migration of the soft permanent connection information in connection management transition process, if the migration of connection management relates to a plurality of network elements, each network element needs to carry out the migration of a soft permanent connection information, needs migration repeatedly; And, if had, move unsuccessfully, before migration carried out migration also need to revert to original configuration.
Summary of the invention
The technical problem that the present invention solves is to provide moving method and the system of connection management in a kind of ASON, in assurance and existing Web-compatible, improves the efficiency of NML.
For solving the problems of the technologies described above, the invention provides the moving method of connection management in a kind of ASON, the final migration results that NML reports according to the first node of ASON (ASON), when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making.
Wherein, described method further comprises the steps:
NML carries out the migration of connection management by the first node of network element Agent layer notice ASON;
The first node of ASON issues the migration request of connection management to each relevant ASON node;
Described each relevant ASON node is carried out corresponding migration operation, and by middle migration results notice network element Agent layer, migration results information in the middle of network element Agent layer reports to NML;
The first node of ASON reports NML by final migration results by network element Agent layer;
Whether NML carries out the migration of soft permanent connection information according to described final migration results decision-making.
Wherein, if migration results be successfully in the middle of described, network element Agent layer increases or deletes after corresponding permanent link information, to NML report described in the middle of migration results information, NML also increases or deletes accordingly forever link information;
If migration results is unsuccessfully in the middle of described, network element Agent layer is not carried out the modification of permanent link information, directly to NML, reports described middle migration results information, and NML does not also carry out the modification of permanent link information.
Wherein, when the migration of soft permanent connection information is carried out in NML decision-making, NML is by increase or delete corresponding soft permanent connection information;
Otherwise when NML decision-making is not carried out the migration of soft permanent connection information, NML will not carry out the modification of soft permanent connection information.
Wherein, described network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Described network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
The present invention also provides the migratory system of connection management in a kind of ASON, and described system comprises NML, and described NML further comprises SPC migration decision-making treatment module, wherein:
Described SPC migration decision-making treatment module is used for, the final migration results reporting according to the first node of ASON, and when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making.
Wherein, described system also comprises network element Agent layer, and described NML also comprises PC migration process module,
Described network element Agent layer is used for, and receives after the middle migration results of the relevant ASON node notice of carrying out connection management migration migration results information in the middle of reporting to described NML;
Described PC migration process module is used for, and the middle migration results information reporting according to described network element Agent layer is carried out the migration of permanent link information.
Wherein, described network element Agent layer is further used for, if described middle migration results is successfully,, increasing or deleting after corresponding permanent link information, to NML, reports described middle migration results information; If migration results is unsuccessfully in the middle of described, network element Agent layer is not carried out the modification of permanent link information, directly to NML, reports described middle migration results information;
Described PC migration process module is further used for, and the middle migration results reporting according to described network element Agent layer, if migration results is successfully in the middle of described, increases or the corresponding permanent link information of deletion; If migration results is unsuccessfully in the middle of described, do not carry out the modification of permanent link information.
Wherein, described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent connection information is carried out in decision-making, increases or deletes corresponding soft permanent connection information; Otherwise, when decision-making is not carried out the migration of soft permanent connection information, do not carry out the modification of soft permanent connection information.
Wherein, described network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Described network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
Compared with prior art, the present invention has the following advantages:
After the success of soft permanent connection information transfer, by the first node informing network of ASON management level, moved successfully, NML carries out the migration of soft permanent connection information according to this final migration results, avoid repeatedly moving and the middle migration in the situation that migration is failed, thereby improved transport efficiency, reduced the burden of NML;
After permanent link information move successfully, by network element Agent layer, preserve warehouse-in, and report network management level, the information of assurance network element Agent layer and NML is consistent, thereby by NML, is connected the method configuring and is consistent with traditional;
In addition, in the present invention program, network element Agent layer increases permanent link information, just constructs warehouse-in after related data and preserves, and is not handed down to transmission plane; Same, network element Agent layer is deleted permanent link information, just corresponding link information in database is deleted, and also can not be handed down to transmission plane, therefore, no matter moves success or not, can not affect existing transport service.
Accompanying drawing explanation
Fig. 1 is that traditional optical-fiber network forms schematic diagram;
Fig. 2 adds the optical-fiber network after ASON to form schematic diagram;
Fig. 3 is that the PC migration of the embodiment of the present invention is the schematic flow sheet of SPC;
Fig. 4 is that the SPC migration of the embodiment of the present invention is the schematic flow sheet of PC.
Embodiment
Main purpose of the present invention is, a kind of method that provides PC of realization and SPC mutually to move, its core concept is: the migration of soft permanent connection information is no longer that each network element (being each ASON node) is processed separately, but NML carries out the migration of soft permanent connection information according to final migration results, after being the success of soft permanent connection information transfer, by the first node informing network of ASON management level, moved successfully, NML is successfully notified according to these whole SPC link information migrations, carries out the migration of soft permanent connection information.
The final migration results that the present invention reports according to the first node of ASON is carried out the migration of soft permanent connection information, only need carry out the migration of a soft permanent connection information; And, if moved unsuccessfully, do not need to recover, because do not change configuration in transition process yet.
Based on above-mentioned thought, the moving method of connection management in ASON provided by the invention, specifically by the following technical solutions:
The final migration results that NML reports according to the first node of ASON, when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making.
Wherein, whether described NML carries out the migration of soft permanent connection information according to final migration results decision-making, refers to: if final migration results is successfully, NML need to increase or delete corresponding soft permanent connection information; If final migration results is failure, NML can not revised soft permanent connection information.
Further, the moving method of connection management of the present invention specifically can be divided into following steps:
Steps A. NML carries out the migration of connection management by the first node of network element Agent layer notice ASON;
The first node of step B.ASON issues the migration request of connection management to each relevant ASON node;
Each ASON node of step C. is carried out migration operation, and middle migration results notice network element Agent layer, network element Agent layer is by middle migration results report network management level;
The first node of step D.ASON reports NML by final migration results by network element Agent layer;
Step e. whether NML carries out the migration of SPC link information according to final migration results decision-making.
Wherein, in above-mentioned steps C, if middle migration results is successfully, network element Agent layer need to increase or delete corresponding permanent link information, and object information is reported after NML, and NML also will increase or delete corresponding permanent link information; If middle migration results is failure, network element Agent layer can not revised permanent link information, and object information is reported after NML, and NML can not revised permanent link information yet.
In above-mentioned steps E, if final migration results is successfully, NML need to increase or delete corresponding soft permanent connection information; If final migration results is failure, NML can not revised soft permanent connection information.
Wherein, network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
In the present invention, two aspect: PC that the migration of connection management is related and SPC, the processing that is permanent link information and soft permanent connection information is as follows: after permanent link information is moved successfully, after running succeeded, each ASON node can notify network element Agent layer, by network element Agent layer, preserved, and report network management level, guarantee the consistent of both information; And the migration of soft permanent connection information is that NML determines whether carry out according to final migration results.
Below in conjunction with the accompanying drawings and the specific embodiments the enforcement of technical solution of the present invention is described in further detail.
As shown in Figure 1, the flow process that the PC of embodiment of the present invention migration is SPC specifically describes as follows:
Step 1: it is the operation of SPC that the first node of NML notice ASON carries out PC migration;
The first node of step 2:ASON issues/notify each relevant ASON node, and to carry out PC migration be the request of SPC;
Step 3: each ASON node is carried out migration operation, and result notice network element Agent layer, if result is successfully, network element Agent layer is deleted corresponding permanent link information, and by the information reporting NML of deleting; If result is failure, network element Agent layer can not revised permanent link information;
The first node of step 4:ASON is final migration results informing network management level;
Step 5: NML carries out final processing.If migration results is successfully, NML increases corresponding soft permanent connection information, preserves warehouse-in, and this flow process finishes; If migration results is failure, NML can not increase soft permanent connection information, and this flow process finishes.
As shown in Figure 2, the flow process that the SPC of embodiment of the present invention migration is PC specifically describes as follows:
Step 1: it is the operation of PC that the first node of NML notice ASON carries out SPC migration;
It is the request of PC that the first node of step 2:ASON notifies each relevant ASON node to carry out SPC migration;
Step 3: each ASON node is carried out migration operation, and result notice network element Agent layer.If result is successfully, network element Agent layer increases corresponding permanent link information, and the information reporting NML increasing; If result is failure, network element Agent layer can not revised permanent link information;
The first node of step 4:ASON is final migration results informing network management level;
Step 5: NML carries out final processing.If migration results is successfully, NML is deleted corresponding soft permanent connection information, preserves warehouse-in, and this flow process finishes; If migration results is failure, NML can not revised soft permanent connection information, and this flow process finishes.
Correspondingly, also provide the migratory system of connection management in a kind of ASON in the embodiment of the present invention, shown in Fig. 2, this system mainly comprises following functions network element:
NML, is mainly used in issuing migration request, receives the data that network element Agent layer reports and carry out last migration process;
Network element Agent layer, is mainly responsible for the information transmission between NML and ASON control plane, and has the database of the permanent link information of preservation of oneself;
ASON control plane, the main process of being responsible for leading migration, coordinates a plurality of ASON nodes and jointly completes migration operation.
Wherein, described NML further comprises SPC migration decision-making treatment module, be used for: the final migration results reporting according to the first node of ASON, when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making.
In addition, described NML also comprises PC migration process module, wherein:
Described network element Agent layer is used for, and receives after the middle migration results of the relevant ASON node notice of carrying out connection management migration migration results information in the middle of reporting to described NML;
Described PC migration process module is used for, and the middle migration results information reporting according to described network element Agent layer is carried out the migration of permanent link information.
In addition, described network element Agent layer is further used for, if described middle migration results is successfully,, increasing or deleting after corresponding permanent link information, to NML, reports described middle migration results information; If migration results is unsuccessfully in the middle of described, network element Agent layer is not carried out the modification of permanent link information, directly to NML, reports described middle migration results information;
Described PC migration process module is further used for, and the middle migration results reporting according to described network element Agent layer, if migration results is successfully in the middle of described, increases or the corresponding permanent link information of deletion; If migration results is unsuccessfully in the middle of described, do not carry out the modification of permanent link information.
In addition, described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent connection information is carried out in decision-making, increases or deletes corresponding soft permanent connection information; Otherwise, when decision-making is not carried out the migration of soft permanent connection information, do not carry out the modification of soft permanent connection information.
In addition, described network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Described network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
In sum, the migration scheme of connection management of the present invention relates to NML, network element Agent layer and ASON control plane, and emphasis relates to the processing of NML and network element Agent layer; Adopt technical solution of the present invention, both kept and the compatibility of existing network configuration, can guarantee that again NML effectively manages, improve the efficiency of NML.
Should be understood that; concerning the technical staff in field, the technology of the present invention place; can be equal to accordingly and change or replace according to technical scheme of the present invention and design thereof, and all these changes or replacement, all should belong to the protection range of claims of the present invention.
Claims (8)
1. a moving method for connection management in ASON, is characterized in that,
The final migration results that NML reports according to the first node of ASON (ASON), when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making;
NML carries out the migration of connection management by the first node of network element Agent layer notice ASON;
The first node of ASON issues the migration request of connection management to each relevant ASON node;
Described each relevant ASON node is carried out corresponding migration operation, and by middle migration results notice network element Agent layer, migration results information in the middle of network element Agent layer reports to NML;
The first node of ASON reports NML by final migration results by network element Agent layer;
Whether NML carries out the migration of soft permanent connection information according to described final migration results decision-making.
2. the method for claim 1, is characterized in that,
If migration results be successfully in the middle of described, network element Agent layer increases or deletes after corresponding permanent link information, to NML report described in the middle of migration results information, NML also increases or deletes accordingly forever link information;
If migration results is unsuccessfully in the middle of described, network element Agent layer is not carried out the modification of permanent link information, directly to NML, reports described middle migration results information, and NML does not also carry out the modification of permanent link information.
3. method as claimed in claim 1 or 2, is characterized in that,
When the migration of soft permanent connection information is carried out in NML decision-making, NML is by increase or delete corresponding soft permanent connection information;
Otherwise when NML decision-making is not carried out the migration of soft permanent connection information, NML will not carry out the modification of soft permanent connection information.
4. method as claimed in claim 2, is characterized in that,
Described network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Described network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
5. a migratory system for connection management in ASON, is characterized in that, described system comprises NML, and described NML further comprises SPC migration decision-making treatment module, wherein:
Described SPC migration decision-making treatment module is used for, the final migration results reporting according to the first node of ASON, and when the SPC link information that is whole ASON nodes in this final migration results is moved successfully, the migration of soft permanent connection information is carried out in decision-making;
Wherein, described system also comprises network element Agent layer, and described NML also comprises PC migration process module,
Described network element Agent layer is used for, and receives after the middle migration results of the relevant ASON node notice of carrying out connection management migration migration results information in the middle of reporting to described NML;
Described PC migration process module is used for, and the middle migration results information reporting according to described network element Agent layer is carried out the migration of permanent link information.
6. system as claimed in claim 5, is characterized in that,
Described network element Agent layer is further used for, if described middle migration results is successfully,, increasing or deleting after corresponding permanent link information, to NML, reports described middle migration results information; If migration results is unsuccessfully in the middle of described, network element Agent layer is not carried out the modification of permanent link information, directly to NML, reports described middle migration results information;
Described PC migration process module is further used for, and the middle migration results information reporting according to described network element Agent layer, if migration results information is successfully in the middle of described, increases or the corresponding permanent link information of deletion; If migration results information is unsuccessfully in the middle of described, do not carry out the modification of permanent link information.
7. the system as described in claim 5 or 6, is characterized in that,
Described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent connection information is carried out in decision-making, increases or deletes corresponding soft permanent connection information; Otherwise, when decision-making is not carried out the migration of soft permanent connection information, do not carry out the modification of soft permanent connection information.
8. system as claimed in claim 7, is characterized in that,
Described network element Agent layer, when increasing permanent link information, is only kept at the permanent link information increasing in database, is not handed down to transmission plane;
Described network element Agent layer, when deleting permanent link information, is only deleted corresponding permanent link information in database, is not handed down to transmission plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186703.XA CN101854257B (en) | 2010-05-25 | 2010-05-25 | Method and system for migrating connection management in automatic switch optical network (ASON) |
| PCT/CN2010/079572 WO2011147174A1 (en) | 2010-05-25 | 2010-12-08 | Transfer method and system for connection management in automatic switching optical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010186703.XA CN101854257B (en) | 2010-05-25 | 2010-05-25 | Method and system for migrating connection management in automatic switch optical network (ASON) |
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| CN101854257A CN101854257A (en) | 2010-10-06 |
| CN101854257B true CN101854257B (en) | 2014-02-19 |
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| CN201010186703.XA Expired - Fee Related CN101854257B (en) | 2010-05-25 | 2010-05-25 | Method and system for migrating connection management in automatic switch optical network (ASON) |
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| WO (1) | WO2011147174A1 (en) |
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| CN101854257B (en) * | 2010-05-25 | 2014-02-19 | 中兴通讯股份有限公司南京分公司 | Method and system for migrating connection management in automatic switch optical network (ASON) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6813276B2 (en) * | 2001-01-30 | 2004-11-02 | The Regents Of The University Of California | Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and re-insertion via a circulating optical path |
| CN1187993C (en) * | 2003-01-16 | 2005-02-02 | 上海交通大学 | Signaling cascading method of exchange connection in automatic exchange optic/transport network |
| CN1277375C (en) * | 2003-07-31 | 2006-09-27 | 华为技术有限公司 | Switching method between permanent connection and exchage connection in optical network |
| CN100531079C (en) * | 2005-05-09 | 2009-08-19 | 中兴通讯股份有限公司 | Method for controlling SC/SPC connection in automatic exchange optical network |
| CN101299893B (en) * | 2008-06-03 | 2011-05-11 | 中兴通讯股份有限公司 | Method for migration based on status transition in automatically exchanging optical network |
| CN101626312B (en) * | 2008-07-11 | 2013-11-06 | 中兴通讯股份有限公司 | Method for realizing management plane of permanent connection and soft permanent connection transplantation |
| CN101540938B (en) * | 2009-05-06 | 2012-01-04 | 烽火通信科技股份有限公司 | Method for realizing resource allocation in SDH-based ASON network |
| CN101854257B (en) * | 2010-05-25 | 2014-02-19 | 中兴通讯股份有限公司南京分公司 | Method and system for migrating connection management in automatic switch optical network (ASON) |
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| CN101854257A (en) | 2010-10-06 |
| WO2011147174A1 (en) | 2011-12-01 |
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