CN101626312A - Method for realizing management plane of permanent connection and soft permanent connection transplantation - Google Patents
Method for realizing management plane of permanent connection and soft permanent connection transplantation Download PDFInfo
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- CN101626312A CN101626312A CN200810133817A CN200810133817A CN101626312A CN 101626312 A CN101626312 A CN 101626312A CN 200810133817 A CN200810133817 A CN 200810133817A CN 200810133817 A CN200810133817 A CN 200810133817A CN 101626312 A CN101626312 A CN 101626312A
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Abstract
The invention discloses a method for realizing a management plane of permanent connection and soft permanent connection transplantation, which is applied to an automatic interactive optical network. The method comprises the following steps: a network element management system executes call processing correlative to the transplantation operation of permanent connection and soft permanent connection; the network element management system issues a transplantation request to a control plane, and information used for indicating the call processing is carried in the transplantation request; and the network element management system receives a transplantation result from the control plane, redistributes resources according to the transplantation operation under a condition that the transplantation result is successful, and reports the information of the call processing and a result of resource redistribution to a network management system. The invention combines the process of the mutual transplantation of PC and SPC and the processes of the resource repartition and the call processing on the management plane together and comprises the processes of call establishment, call modification and call deletion, thereby the invention better conforms to the essence of ASON defined by ITU-T in the aspects of the principle and the concept.
Description
Technical field
The present invention relates to the communications field, in particular to the management plane implementation method of a kind of PC (PermanentConnection, the permanent connection) with SPC (Soft Permanent Connection, soft permanent connection) migration.
Background technology
ASON (Automatic Switched Optical Network, ASON) be by ITU-T (ITU Telecommunication Standardization Sector, International Telecommunications Union's telecommunication standards group) works out and standardization, and finish the optical transfer network of new generation of function of exchange automatically by introducing control plane, ASON comprises the transmission plane, control plane and management plane, and support PC, SPC and SC (Switched Connection, the switch type connection) three kinds of connected modes, wherein, the permanent PC that connects is set up by the assignment mode by management plane fully, and soft permanent connection SPC is connected SC to be participated in finishing connection by control plane to set up process with exchange.
The business of being carried out in legacy network connects and all belongs to the PC connection, at legacy network in the evolution process of ASON network, former PC connects need move the connection into SPC, controls thereby control plane is transferred in the business connection, and this just relates to the transition process of PC to SPC; Equally, for needs such as network operations, also exist the business connection is transferred to the demand that management plane manages by control plane, this relates to the transition process of SPC to PC.
The ASON specification requirement is divided resource, promptly, resource is divided for by the resource of management plane management and the resource of being controlled by control plane, it is the resource of being managed by management plane that PC connects shared resource, it is that the mutual migration of PC and SPC also relates to resource and repartitions problem by the resource of control plane control that SPC connects shared resource.In addition, in the defined ASON call flow of ITU-T, the SPC connection is associated with call handling process, and the process of setting up of PC does not relate to calling procedure.
But, in realizing the method that PC and SPC move mutually at present, from the management plane angle, all do not consider call handling process, and do not relate to the problem that resource is repartitioned that this does not meet the principle of the defined ASON of ITU-T and the essence of notion.
Summary of the invention
The method of moving mutually at present realization PC and SPC, from the management plane angle, all do not consider call handling process, and do not relate to the problem that resource is repartitioned, the present invention aims to provide a kind of permanent connection and the soft permanent management plane implementation method that is connected migration, in order to address the above problem.
According to the present invention, a kind of permanent connection and the soft permanent management plane implementation method that is connected migration are provided.
Permanent connection according to the present invention and the soft permanent management plane implementation method that is connected migration are applied to the automatic interaction optical-fiber network, comprising: Element management system is carried out with permanent and is connected and the relevant call treatment of the soft permanent migration operation that is connected; Element management system issues migration request to control plane, and carries the information that is used to indicate call treatment therein; Element management system receives the migration results from control plane, and is under the case of successful in migration results, carry out resource according to migration operation and redistribute, and the result that the information and the resource of call treatment are redistributed reports network management system.
Preferably, be to be permanently connected under the situation of migration of soft permanent connection in migration operation, call treatment specifically comprises: call setup is handled, call modification is handled.
Preferably, Element management system is carried out before the call treatment relevant with the soft permanent migration operation that is connected with permanent connection, said method also comprises: judge whether the calling that exists soft permanent connection to move at Element management system according to the permanent connection service of migration, and determine the call treatment carried out according to judged result.
Preferably, be under the situation not in judged result, call treatment is that call setup is handled, in the process of carrying out call treatment, Element management system is soft permanent connection designated call title.
Preferably, be under the situation that is in judged result, call treatment is that call modification is handled, in the process of carrying out call treatment, Element management system increases the soft permanent connection that is about to move in calling.
Preferably, Element management system carries to connect in migration request sets up type parameter, and uses and set up type parameter appointment migration for being permanently connected to the migration of soft permanent connection.
Preferably, carrying out resource according to migration operation redistributes specifically and comprises: will forever connect shared resource allocation and give control plane.
Preferably, be that calling procedure specifically comprises under the situation of the soft migration that is permanently connected to permanent connection in migration operation: call out that deletion is handled, call modification is handled.
Preferably, Element management system is carried out before the call treatment relevant with the soft permanent migration operation that is connected with permanent connection, method also comprises: Element management system is judged the soft permanent connection to be migrated whole connections whether correspondence is called out according to the soft permanent connection service of migration, and determines the call treatment of execution according to judged result.
Preferably, be under the situation that is in judged result, call treatment is to call out deletion to handle, in the process of carrying out call treatment, Element management system is moved to permanent connection with the soft permanent connection related with calling.
Preferably, be under the situation not in judged result, call treatment is that call modification is handled, in the process of carrying out call treatment, Element management system is deleted soft permanent connection to be migrated from call out.
Preferably, said method also comprises: Element management system carries to connect in migration request sets up type parameter, and uses and set up type parameter and specify migration to be the soft migration that is permanently connected to permanent connection.
Preferably, Element management system carries out redistributing specifically of resource according to mutual migration and comprises: will the shared resource allocation of soft permanent connection to management plane.
Preferably, said method also comprises: under the situation of migration results for failure, Element management system shows failure cause to the user.
By the present invention, the process that PC and SPC are moved mutually and the resource on the management plane is repartitioned and the process of call treatment combines than prior art, more meets the requirement of the defined ASON of ITU-T.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that is used to implement the network environment of the embodiment of the invention;
Fig. 2 is the permanent connection and the soft permanent flow chart that is connected the management plane implementation method of migration according to the embodiment of the invention;
Fig. 3 is according to the PC of the embodiment of the invention one flow chart to the management plane implementation method of SPC migration;
Fig. 4 is according to the SPC of the embodiment of the invention two flow chart to the management plane implementation method of PC migration.
Embodiment
The present invention aims to provide the management plane implementation method of a kind of PC and SPC migration, in the method for the invention, by finish the process that PC and SPC move mutually in conjunction with the call handling process of management plane and resource division process, wherein, management plane is divided into NMS (Network Management System, network management system) and EMS (ElementManagement System, Element management system), meet the definition of normal structures such as ITU-T and TMF, and satisfy the related specifications that ITU-T and TMF and Chinese Industrial Standardsization organize among the CCSA to be formulated.Wherein, according to the migratory direction that business connects, the professional migration that connects can be divided into migration two classes of PC to the migration of SPC and SPC to SC.
In the present invention, realize that by the call handling process of management plane PC and SPC move mutually, Fig. 1 is the schematic diagram that is used to implement the network environment of the embodiment of the invention, and as shown in Figure 1, in the ASON network, management plane is divided into NMS and EMS; In the business scenario that PC of the present invention and SPC move mutually, to be that PC and SPC are professional is connected the promoter who moves to EMS, simultaneously, EMS reports the result of relevant migration to NMS, wherein, NMS is connected by the NMS-EMS interface with EMS, and EMS is connected by the EMS-ASON interface with ASON.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Method embodiment
According to embodiments of the invention, a kind of PC and SPC are provided the management plane implementation method of migration.Fig. 2 is that as shown in Figure 2, this method comprises according to the flow chart of the management plane implementation method of the PC of the embodiment of the invention and SPC migration:
Step S202, the call treatment that the EMS execution is relevant with the migration operation of PC and SPC;
Step S204, EMS issues migration request to control plane, and carries the information that is used to indicate call treatment therein;
Step S206, EMS receive the migration results from control plane, and are under the case of successful in migration results, carry out resource according to migration operation and redistribute, and the result that the information and the resource of call treatment are redistributed reports NMS; Under the situation of migration results for failure, EMS shows failure cause to the user.
The process of PC and SPC being moved mutually by the present invention and the resource on the management plane is repartitioned and the process of call treatment combines has comprised call setup and call modification and has called out delete procedure.
The inventive method is applicable to following two kinds of application scenarioss: (1) PC is to the migration of SPC; (2) SPC is to the migration of PC.Describe implementation procedure of the present invention in detail below in conjunction with instantiation.In following examples, PC or SPC adopt the connecting object definition expression in the table 1; Call object information in the pairing calling employing of the SPC table 2 is represented; Wherein, PC connects to be connected with SPC and adopts connection to set up type to distinguish, that is, " connectionSetupType " field in the employing table 1 is distinguished.
Table 1 connecting object is described
| Attribute-name | Attribute type | Explanation |
| ??connectionID | ??Stringe | The unique identification that connects |
| ??layerRate | ??LayerRate | The speed that connects |
| ??aEnd | ??EndPointType | The source endpoint that connects |
| ??zEnd | ??EndPointType | The Su Duandian that connects |
| ??direction | ??ConnectionDirection | The direction that connects (single/pair) |
| ??rerouteAllowed | ??RerouteAllowed | The heavy-route permission |
| ??staticProtectionLevel | ??StaticProtectionLevel | The static protection rank that connects |
| ??maximumCost | ??SequenceOf?AVP | The maximum cost that connects |
| ??protectionEffort | ??ProtectionEffort | The protective condition degree of conformity |
| ??routingConstraintEffort | ??RoutingConstraintEffort | Route restrictive condition degree of conformity |
| ??connection?Type | ??SNC?Type | The type that connects |
| ? ? ??connectionSetup?Type | ? ? ??Connection?Type | The establishment of connection type comprises PC and SPC, and expression is permanent to be connected and soft permanent the connection |
| ??connectionState | ??ConnectionState | Connection status |
| ??revertive | ??Boolean | Whether automatically reply |
| ??networkAccessDomain | ??Stringe | The NAD sign |
| ??priority | ??Integer | Connection priority |
| ??alarmReportingIndication | ??Boolean | The alarm report switch |
| ??asapPointer | ??Name | The Asap pointer |
| ??routeGroupLabel | ??String | The group of routes label |
Table 2 call object information description
| Attribute-name | Attribute type | Read write attribute | Explanation |
| ??callName | ??Name | Read-only | The Call sign |
| ??userLabel | ??String | Read-only | Object oriented |
| ??forceUniqueness | ??Boolean | Read-only | Whether userLabel is overall unique |
| ??owner | ??String | Read-only | Call object owner label |
| ??networkAccessDo ??main | ??String | Read-only | The NAD sign |
| ??aEnd | ??EndPointTy ??pe | Read-only | The A end points of Call |
| ??zEnd | ??EndPointTy ??pe | Read-only | The Z end points of Call |
| ??callParameters | ??CallParamet ??erProfile | Read-only | The parameter of calling out |
| ??callDiversity | ??DiversityDat ??a | Read-only | Diversity and the joint route called out |
| ??additionalInfb | ??SequenceOf ??AVP | Read-only | Additional information |
Embodiment one
Fig. 3 is that as shown in Figure 3, PC comprises the steps: to the implementation method of the management plane that SPC moves according to the PC of the embodiment of the invention one flow chart to the management plane implementation method of SPC migration
The PC business that step S302, EMS move as required judges whether the calling that exists SPC to move to, and determines to carry out corresponding call according to judged result and handle (calling procedure); Wherein, call treatment specifically comprises: call setup is handled, call modification is handled;
Wherein, judged result for situation not under, need call out constructive process, that is, EMS is to source end node (that is process of setting up (reference table 3) that makes a call of control plane ASON); At this moment, the call treatment among the above-mentioned steps S202 is that call setup is handled, and in the process of carrying out call treatment, EMS is a SPC designated call title;
In judged result is under the situation that is, does not need new call, and at this moment, the call treatment among the above-mentioned steps S202 is that call modification is handled, and in the process of carrying out call treatment, EMS increases the SPC that is about to move in calling.
EMS is carrying out PC that the user selectes (promptly, PC to be migrated) is connected to migration operation that SPC connects (promptly, above-mentioned steps S202) in, no matter the calling that whether has existed SPC to move to all needs to revise the professional corresponding establishment of connection type (that is, being revised as SPC by PC) of PC, and existing the calling made amendment, that is, in this calls out, increase one or several SPC and connect (reference table 4).
Afterwards, EMS issues migration request to control plane, and carries the information (that is above-mentioned steps S204) that is used to indicate call treatment therein; Simultaneously, entrained connection parameter all will comprise the routing information that this PC connects in migration request (that is following photos and sending messages), preferably, be assigned to concrete network element, port, time slot, simultaneously, set up in the type parameter in the connection that migration request is carried, indicate this and be operating as the migration of PC to SPC.
Table 3 is created and is called out
Table 4 is revised to connect and is set up type
Step S304, the control plane of source end node carry out the transition process of PC to SPC, and report migration results to EMS, EMS receives the migration results from control plane, in migration results is under the case of successful, and EMS is revised as SPC with the establishment of connection type by PC, proceeds to step S306; Under the situation of migration results for failure, flow process finishes;
The professional shared resource situation of the PC that step S306, EMS move is as required carried out redistributing of resource,, gives control plane with the shared resource allocation of this PC that is, and state of resources is for taking or busy;
Step S308, the result that EMS redistributes the information and the resource of call treatment reports NMS; Particularly, EMS reports new calling and connection to set up information or call modification information to NMS, and notice NMS resource situation changes, comprise: sub-network point pool (Sub Network Point Poll abbreviates SNPP as) is connected the information such as increase of the newly-built and existing SNPP and the SNPP Link capacity of (SNPPLink) with sub-network point pool.
By this embodiment, for the transition process of management plane PC to SPC, realized with management plane on resource repartition and the combining of the process of call treatment.
Embodiment two
Fig. 4 is that as shown in Figure 4, SPC comprises the steps: to the implementation method of the management plane that PC moves according to the SPC of the embodiment of the invention two flow chart to the management plane implementation method of PC migration
Step S402, EMS judges the SPC to be migrated whole connections whether correspondence is called out according to the SPC of migration is professional, and according to the definite call treatment of carrying out of judged result; Wherein, calling procedure specifically comprises: call out deletion processing, call modification processing;
In judged result is under the situation not, and call treatment is that call modification is handled, and like this, the existing calling that EMS selectes according to the user in the process of carrying out call treatment, is deleted selected (that is, to be migrated) SPC in from then on calling out and connected; That is to say, when not needing deletion to call out, (call out other connection that also comprises except that SPC to be migrated), then only need deletion from call out SPC to be migrated.
In judged result is under the situation that is, call treatment is handled for calling out deletion, that is to say, if SPC correspondence to be migrated whole connections of calling out, then this call out need deleted; Like this, in the process of carrying out call treatment, EMS with call out related SPC and move to PC, this operation can realize in the following way: when needs deletion calling, the control plane of the source end node of the SPC that EMS selectes to the user removal request (reference table 5) that makes a call.
Afterwards, EMS issues migration request (that is, revise to connect and set up the type command request message) (reference table 4) to control plane, and carries the information (that is above-mentioned steps S204) that is used to indicate call treatment therein; And, connect the information of carrying the establishment of connection type (being revised as PC) of revising the professional correspondence of SPC in the type command request message of setting up in above-mentioned modification by SPC, this modification connects carries existing SPC information in the connection parameter of setting up in the type command request message, comprise: the network element, port, time slot etc. of process, simultaneously, set up in the type parameter in the connection that migration request is carried, indicate this and be operating as the migration of SPC to PC, promptly, to set up type be SPC when PC moves in connection, connects to set up type parameter and be set to PC.
After this, the control plane of ASON is initiated the connection delete procedure of signaling aspect, but does not delete actual interconnection.
Table 5 deletion is called out
Step S404, the control plane of source end node is carried out the transition process of PC to SPC, and report migration results to EMS, move successfully on ASON network control plane, report the successful connection of calling out in deletion or the deletion calling to EMS, EMS is revised as PC with the establishment of connection type by SPC, proceeds to step S406; If source end node control plane reports the migration failure, then EMS shows failure cause, and flow process finishes;
The professional shared resource situation of the SPC that step S406, EMS move is as required carried out repartitioning of resource, is about to the shared resource division dispensing of this SPC management plane, and revises local SNPP resource situation;
Step S408, the result that EMS redistributes the information and the resource of call treatment reports NMS, and particularly, EMS reports deletion or the call modification situation of calling out to NMS; Simultaneously, notice NMS resource situation changes, and comprising: new SNPP and the deletion of SNPP Link or the information such as minimizing of existing SNPP and SNPP Link capacity, that is, and the EMS among the above-mentioned steps S206.
By this embodiment, for the transition process of management plane SPC to PC, realized with management plane on resource repartition and the combining of the process of call treatment.
Adopt the PC of the above embodiment of the present invention and the management plane implementation method that SPC moves mutually, compared with prior art, combine call handling process and resource division process, comprise call setup and call modification and called out delete procedure, thereby, meeting the defined ASON marrow of ITU-T aspect principle and the notion more.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. permanent a connection and the soft permanent management plane implementation method that is connected migration, be applied to the automatic interaction optical-fiber network, it is characterized in that, comprising:
Element management system is carried out with permanent and is connected and the relevant call treatment of the soft permanent migration operation that is connected;
Described Element management system issues migration request to control plane, and carries the information that is used to indicate described call treatment therein;
Described Element management system receives the migration results from described control plane, and in described migration results is under the case of successful, carry out resource according to described migration operation and redistribute, and the result that the information and the described resource of described call treatment are redistributed reports network management system.
2. method according to claim 1 is characterized in that:
In described migration operation is that described call treatment specifically comprises under the situation of the described migration that is permanently connected to described soft permanent connection: call setup is handled, call modification is handled.
3. method according to claim 2 is characterized in that, described Element management system is carried out before the call treatment relevant with the soft permanent migration operation that is connected with permanent connection, and described method also comprises:
Judge whether the calling that exists soft permanent connection to move at described Element management system according to the permanent connection service of migration, and determine the call treatment carried out according to judged result.
4. method according to claim 3, it is characterized in that, be under the situation not in judged result, and described call treatment is that call setup is handled, in the process of carrying out described call treatment, described Element management system is described soft permanent connection designated call title.
5. method according to claim 3, it is characterized in that: be under the situation that is in judged result, described call treatment is that call modification is handled, and in the process of carrying out described call treatment, described Element management system increases the soft permanent connection that is about to move in described calling.
6. according to claim 4 or 5 described methods, it is characterized in that, also comprise:
Described Element management system carries to connect in described migration request sets up type parameter, and uses and describedly set up type parameter to specify described migration be the described migration that is permanently connected to described soft permanent connection.
7. method according to claim 3 is characterized in that, describedly carries out resource according to described migration operation and redistributes specifically and comprise:
Give described control plane with the shared resource allocation of described permanent connection.
8. method according to claim 1 is characterized in that:
In described migration operation is that described calling procedure specifically comprises under the situation of the described soft migration that is permanently connected to described permanent connection: call out that deletion is handled, call modification is handled.
9. method according to claim 8 is characterized in that, described Element management system is carried out before the call treatment relevant with the soft permanent migration operation that is connected with permanent connection, and described method also comprises:
Described Element management system is judged the soft permanent connection to be migrated whole connections whether correspondence is called out according to the soft permanent connection service of migration, and determines the call treatment of execution according to judged result.
10. method according to claim 9, it is characterized in that, in judged result is under the situation that is, described call treatment is handled for calling out deletion, in the process of carrying out described call treatment, described Element management system is moved to described permanent connection with the described soft permanent connection related with described calling.
11. method according to claim 9, it is characterized in that, be under the situation not in judged result, and described call treatment is that call modification is handled, in the process of carrying out described call treatment, described Element management system is deleted described soft permanent connection to be migrated from described calling.
12. according to claim 10 or 11 described methods, it is characterized in that, also comprise:
Described Element management system carries to connect in described migration request sets up type parameter, and uses and describedly set up type parameter to specify described migration be the described soft migration that is permanently connected to described permanent connection.
13. method according to claim 9 is characterized in that, described Element management system carries out redistributing specifically of resource according to described mutual migration and comprises:
Give management plane with the shared resource allocation of described soft permanent connection.
14. method according to claim 1 is characterized in that, also comprises:
Under the situation of described migration results for failure, described Element management system shows failure cause to described user.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101854257A (en) * | 2010-05-25 | 2010-10-06 | 中兴通讯股份有限公司 | Method and system for migrating connection management in automatic switch optical network (ASON) |
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| 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 |
| US20060026225A1 (en) * | 2004-08-02 | 2006-02-02 | Alcatel | Shared resources in a multi manager environment |
| CN101170482A (en) * | 2006-10-26 | 2008-04-30 | 中兴通讯股份有限公司 | Method for realizing SPC activation/deactivation via control plane in ASON network |
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| 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 |
| US20060026225A1 (en) * | 2004-08-02 | 2006-02-02 | Alcatel | Shared resources in a multi manager environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101854257A (en) * | 2010-05-25 | 2010-10-06 | 中兴通讯股份有限公司 | Method and system for migrating connection management in automatic switch optical network (ASON) |
| 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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