CN101854257A - 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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- CN101854257A CN101854257A CN201010186703A CN201010186703A CN101854257A CN 101854257 A CN101854257 A CN 101854257A CN 201010186703 A CN201010186703 A CN 201010186703A CN 201010186703 A CN201010186703 A CN 201010186703A CN 101854257 A CN101854257 A CN 101854257A
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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
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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, the moving method and the system of connection management in a kind of ASON.
Background technology
Traditional optical-fiber network is by the capable configuration of NML, finish the configuration of network by NML, only preserve permanent connection (Permanent Connection abbreviates PC as) information, and this permanent link information all 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 is meant 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 certain development and application at present, and the trend that has range of application progressively to enlarge.
At present, in the ASON network, existing traditional permanent link information also has the new soft permanent connection that is applicable to the ASON network (Soft Permanent Connection abbreviates SPC as) information.For reasons such as network operations, need carry out the migration of connection management, and then the exchange message (being soft permanent link information) that traditional exchange message (being permanent link information) by the NML configuration is converted to the automatic management of ASON is arranged, and the reverse exchange message that ASON is managed automatically is converted to the needs of the exchange message of NML configuration.
Fig. 2 shows the composition schematic diagram that adds the optical-fiber network behind the ASON, this network mainly by: NML, network element Agent layer, transmit the plane, and the ASON control plane constitutes.Referring to Fig. 2, this network has following characteristics:
Permanent link information is a point-to-point, and each network element Agent layer all has the permanent link information of preservation, and needs consistent with the permanent link information of NML preservation;
Soft permanent link information is end to end, and the network element Agent layer is not preserved soft permanent link information, and this information only is kept on ASON control plane and the NML.
The migration of connection management relates to the migration cooperation between NML, network element Agent layer and the ASON control plane three in the ASON.In the existing patent documentation, Chinese patent application 200810098298.9 discloses the moving method of state exchange " in a kind of ASON based on ", but this application just to have described each ASON node from the angle of ASON be the mutual migration of how carrying out PC and SPC based on state exchange.
And the moving method of the connection management in other existing ASON optical-fiber networks has following problem: for the migration of the soft permanent link information in the connection management transition process, if the migration of connection management relates to a plurality of network elements, then each network element all needs to carry out once the migration of soft permanent link information, needs migration repeatedly; And, if migration failure is arranged, then before migration carried out migration also need to revert to original configuration.
Summary of the invention
The technical problem that the present invention solves provides the moving method and the system of connection management in a kind of ASON, in assurance and existing Web-compatible, improves the efficient 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 this final migration results SPC link information that is whole ASON nodes was moved successfully, the migration of soft permanent link information was 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 with middle migration results notice network element Agent layer, the network element Agent layer is migration results information in the middle of NML reports;
The first node of ASON reports NML with final migration results by the network element Agent layer;
Whether NML carries out the migration of soft permanent link information according to described final migration results decision-making.
Wherein, if migration results be successfully in the middle of described, then the network element Agent layer increase or the corresponding permanent link information of deletion after, to NML report described in the middle of migration results information, NML also increases or deletes accordingly link information forever;
If migration results is failure in the middle of described, then the network element Agent layer is not carried out the modification of permanent link information, directly reports described middle migration results information to NML, and NML does not also carry out the modification of permanent link information.
Wherein, when the migration of soft permanent link information is carried out in the NML decision-making, then NML will increase or delete corresponding soft permanent link information;
Otherwise when the NML decision-making is not carried out the migration of soft permanent link information, then NML will not carry out the modification of soft permanent link information.
Wherein, described network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
Described network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
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, and the final migration results that reports according to the first node of ASON when this final migration results SPC link information that is whole ASON nodes move successfully, is made a strategic decision and carried out the migration of soft permanent link information.
Wherein, described system also comprises the network element Agent layer, and described NML also comprises PC migration process module,
Described network element Agent layer is used for, receive middle the migration results of the relevant ASON node notice of carrying out the connection management migration after, report centre migration results information to described NML;
Described PC migration process module is used for, and carries out the migration of permanent link information according to the middle migration results information that described network element Agent layer reports.
Wherein, described network element Agent layer is further used for, if described middle migration results is successfully, then after increasing or deleting corresponding permanent link information, reports described middle migration results information to NML; If migration results is failure in the middle of described, then the network element Agent layer is not carried out the modification of permanent link information, directly reports described middle migration results information to NML;
Described PC migration process module is further used for, and the middle migration results according to described network element Agent layer reports if migration results is successfully in the middle of described, then increases or the corresponding permanent link information of deletion; If migration results is not then carried out the modification of permanent link information for failure in the middle of described.
Wherein, described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent link information is carried out in decision-making, then increases or the corresponding soft permanent link information of deletion; Otherwise, when decision-making is not carried out the migration of soft permanent link information, then do not carry out the modification of soft permanent link information.
Wherein, described network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
Described network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
Compared with prior art, the present invention has the following advantages:
After soft permanent link information is moved successfully, move successfully by the first node informing network of ASON management level, NML carries out the migration of soft permanent link information according to this final migration results, avoid repeatedly moving and in the middle of under the situation of migration failure, move, thereby improved transport efficiency, reduced the burden of NML;
After permanent link information move successfully, preserved by the network element Agent layer and to put in storage, and the report network management level, the information of assurance network element Agent layer and NML is consistent, thereby passes through the method that NML is connected configuration and be consistent with traditional;
In addition, among the present invention program, the network element Agent layer increases permanent link information, just constructs after the related data warehouse-in and preserves, and is not handed down to and transmits the plane; Same, the network element Agent layer is deleted permanent link information, just corresponding link information in the database is deleted, and also can not be handed down to and transmit the plane, therefore, no matter moves success or not, can not influence existing transport service.
Description of drawings
Fig. 1 is that traditional optical-fiber network is formed schematic diagram;
Fig. 2 is that the optical-fiber network behind the adding ASON is formed schematic diagram;
Fig. 3 is that the PC migration of the embodiment of the invention is the schematic flow sheet of SPC;
Fig. 4 is that the SPC migration of the embodiment of the invention is the schematic flow sheet of PC.
Embodiment
Main purpose of the present invention is, the method that provides a kind of PC of realization and SPC to move mutually, its core concept is: the migration of soft permanent link information no longer is that each network element (being each ASON node) is handled separately, but NML carries out the migration of soft permanent link information according to final migration results, be after soft permanent link information is moved successfully, move successfully by the first node informing network of ASON management level, NML carries out the migration of soft permanent link information according to the successful notice of these whole SPC link information migrations.
The present invention carries out the migration of soft permanent link information according to the final migration results that the first node of ASON reports, and only need carry out once the migration of soft permanent link information; And, if migration has been failed, do not need to recover, because in transition process, do not change configuration yet.
Based on above-mentioned thought, the moving method of connection management in the 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 this final migration results SPC link information that is whole ASON nodes move successfully, is made a strategic decision and is carried out the migration of soft permanent link information.
Wherein, whether described NML carries out the migration of soft permanent link information according to final migration results decision-making, is meant: if final migration results is successfully, then NML need increase or delete corresponding soft permanent link information; If final migration results is failure, then NML can not revised soft permanent link 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, the network element Agent layer is with middle migration results report network management level;
The first node of step D.ASON reports NML with final migration results by the network element Agent layer;
Step e. whether NML carries out the migration of SPC link information according to final migration results decision-making.
Wherein, among the above-mentioned steps C, if middle migration results is success, the network element Agent layer need increase or delete corresponding permanent link information, and after object information reported NML, NML also will increase or delete corresponding permanent link information; If middle migration results is failure, the network element Agent layer can not revised permanent link information, and after object information reported NML, NML can not revised permanent link information yet.
Among the above-mentioned steps E, if final migration results is success, NML need increase or delete corresponding soft permanent link information; If final migration results is failure, NML can not revised soft permanent link information.
Wherein, the network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
The network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
Among 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 link information is as follows: after permanent link information is moved successfully, after running succeeded, each ASON node all can notify the network element Agent layer, preserve by the network element Agent layer, and the report network management level, guarantee the unanimity of both information; And the migration of soft permanent link information then is whether NML carries out according to final migration results decision.
Enforcement to technical solution of the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, the PC of embodiment of the invention migration specifically describes as follows for the flow process of SPC:
Step 1: the first node of NML notice ASON carries out the PC migration and is the operation of SPC;
The first node of step 2:ASON issues/notify each relevant ASON node to carry out the PC migration and is the request of SPC;
Step 3: each ASON node is carried out migration operation, and result notification network element Agent layer, if the result is success, the corresponding permanent link information of network element Agent layer deletion, and with the information report network management level of deleting; If the result is failure, the 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 success, NML increases corresponding soft permanent link information, preserves warehouse-in, and this flow process finishes; If migration results is failure, NML can not increase soft permanent link information, and this flow process finishes.
As shown in Figure 2, the SPC of embodiment of the invention migration specifically describes as follows for the flow process of PC:
Step 1: the first node of NML notice ASON carries out the SPC migration and is the operation of PC;
ASON node that the first node of step 2:ASON notifies each to be correlated with carries out the SPC migration and is the request of PC;
Step 3: each ASON node is carried out migration operation, and result notification network element Agent layer.If the result is success, the network element Agent layer increases corresponding permanent link information, and the information report network management level that increase; If the result is failure, the 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 success, the corresponding soft permanent link information of NML deletion is preserved warehouse-in, and this flow process finishes; If migration results is failure, NML can not revised soft permanent link 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 invention, in conjunction with shown in Figure 2, this system mainly comprises following function network element:
NML is mainly used in and issues migration request, receives the data that the network element Agent layer reports and carries out last migration process;
The network element Agent layer mainly is responsible for the information transmission between NML and the ASON control plane, and the database of the permanent link information of preservation of oneself is arranged;
The ASON control plane, the main process of being responsible for leading migration is coordinated a plurality of ASON nodes and is finished migration operation jointly.
Wherein, described NML further comprises SPC migration decision-making treatment module, be used for: the final migration results that reports according to the first node of ASON, when this final migration results SPC link information that is whole ASON nodes move successfully, make a strategic decision and carry out the migration of soft permanent link information.
In addition, described NML also comprises PC migration process module, wherein:
Described network element Agent layer is used for, receive middle the migration results of the relevant ASON node notice of carrying out the connection management migration after, report centre migration results information to described NML;
Described PC migration process module is used for, and carries out the migration of permanent link information according to the middle migration results information that described network element Agent layer reports.
In addition, described network element Agent layer is further used for, if described middle migration results is successfully, then after increasing or deleting corresponding permanent link information, reports described middle migration results information to NML; If migration results is failure in the middle of described, then the network element Agent layer is not carried out the modification of permanent link information, directly reports described middle migration results information to NML;
Described PC migration process module is further used for, and the middle migration results according to described network element Agent layer reports if migration results is successfully in the middle of described, then increases or the corresponding permanent link information of deletion; If migration results is not then carried out the modification of permanent link information for failure in the middle of described.
In addition, described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent link information is carried out in decision-making, then increases or the corresponding soft permanent link information of deletion; Otherwise, when decision-making is not carried out the migration of soft permanent link information, then do not carry out the modification of soft permanent link information.
In addition, described network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
Described network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
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 efficient of NML.
Should be understood that; concerning the technical staff in field, the technology of the present invention place; can be equal to accordingly according to technical scheme of the present invention and design thereof and change or replace, and all these changes or replacement, all should belong to the protection range of claims of the present invention.
Claims (10)
1. the moving method of connection management in the ASON is characterized in that,
The final migration results that NML reports according to the first node of ASON (ASON), when this final migration results SPC link information that is whole ASON nodes was moved successfully, the migration of soft permanent link information was carried out in decision-making.
2. the method for claim 1 is characterized in that, 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 with middle migration results notice network element Agent layer, the network element Agent layer is migration results information in the middle of NML reports;
The first node of ASON reports NML with final migration results by the network element Agent layer;
Whether NML carries out the migration of soft permanent link information according to described final migration results decision-making.
3. method as claimed in claim 2 is characterized in that,
If migration results be successfully in the middle of described, then the network element Agent layer increase or the corresponding permanent link information of deletion after, to NML report described in the middle of migration results information, NML also increases or deletes accordingly link information forever;
If migration results is failure in the middle of described, then the network element Agent layer is not carried out the modification of permanent link information, directly reports described middle migration results information to NML, and NML does not also carry out the modification of permanent link information.
4. as claim 1,2 or 3 described methods, it is characterized in that,
When the migration of soft permanent link information is carried out in the NML decision-making, then NML will increase or delete corresponding soft permanent link information;
Otherwise when the NML decision-making is not carried out the migration of soft permanent link information, then NML will not carry out the modification of soft permanent link information.
5. method as claimed in claim 3 is characterized in that,
Described network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
Described network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
6. the migratory system of connection management in the 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, and the final migration results that reports according to the first node of ASON when this final migration results SPC link information that is whole ASON nodes move successfully, is made a strategic decision and carried out the migration of soft permanent link information.
7. system as claimed in claim 6 is characterized in that described system also comprises the network element Agent layer, and described NML also comprises PC migration process module,
Described network element Agent layer is used for, receive middle the migration results of the relevant ASON node notice of carrying out the connection management migration after, report centre migration results information to described NML;
Described PC migration process module is used for, and carries out the migration of permanent link information according to the middle migration results information that described network element Agent layer reports.
8. system as claimed in claim 7 is characterized in that,
Described network element Agent layer is further used for, if described middle migration results is successfully, then after increasing or deleting corresponding permanent link information, reports described middle migration results information to NML; If migration results is failure in the middle of described, then the network element Agent layer is not carried out the modification of permanent link information, directly reports described middle migration results information to NML;
Described PC migration process module is further used for, and the middle migration results according to described network element Agent layer reports if migration results is successfully in the middle of described, then increases or the corresponding permanent link information of deletion; If migration results is not then carried out the modification of permanent link information for failure in the middle of described.
9. as claim 6,7 or 8 described systems, it is characterized in that,
Described SPC migration decision-making treatment module is further used for, and when the migration of soft permanent link information is carried out in decision-making, then increases or the corresponding soft permanent link information of deletion; Otherwise, when decision-making is not carried out the migration of soft permanent link information, then do not carry out the modification of soft permanent link information.
10. system as claimed in claim 9 is characterized in that,
Described network element Agent layer is when increasing permanent link information, and the permanent link information that only will increase is kept in the database, is not handed down to transmit the plane;
Described network element Agent layer only with corresponding permanent link information deletion in the database, is not handed down to and transmits the plane when the permanent link information of deletion.
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 true CN101854257A (en) | 2010-10-06 |
| CN101854257B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011147174A1 (en) * | 2010-05-25 | 2011-12-01 | 中兴通讯股份有限公司 | Transfer method and system for connection management in automatic switching optical network |
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| 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 |
| 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 |
| 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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2010
- 2010-05-25 CN CN201010186703.XA patent/CN101854257B/en not_active Expired - Fee Related
- 2010-12-08 WO PCT/CN2010/079572 patent/WO2011147174A1/en active Application Filing
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| US20020146028A1 (en) * | 2001-01-30 | 2002-10-10 | Gee-Kung Chang | Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and re-insertion via a circulating optical path |
| CN1581796A (en) * | 2003-07-31 | 2005-02-16 | 华为技术有限公司 | Switching method between permanent connection and exchage connection in optical network |
| CN101299893A (en) * | 2008-06-03 | 2008-11-05 | 中兴通讯股份有限公司 | Method for automatically exchanging emigration based on status transition in optical network |
| CN101626312A (en) * | 2008-07-11 | 2010-01-13 | 中兴通讯股份有限公司 | Method for realizing management plane of permanent connection and soft permanent connection transplantation |
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| WO2011147174A1 (en) * | 2010-05-25 | 2011-12-01 | 中兴通讯股份有限公司 | Transfer method and system for connection management in automatic switching optical network |
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| WO2011147174A1 (en) | 2011-12-01 |
| CN101854257B (en) | 2014-02-19 |
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