CN101626312B - 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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- CN101626312B CN101626312B CN 200810133817 CN200810133817A CN101626312B CN 101626312 B CN101626312 B CN 101626312B CN 200810133817 CN200810133817 CN 200810133817 CN 200810133817 A CN200810133817 A CN 200810133817A CN 101626312 B CN101626312 B CN 101626312B
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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) work out and standardization, and automatically complete the New Generation Optical transport network of function of exchange by introducing control plane, ASON comprises and transmits the plane, control plane and management plane, and support PC, SPC and SC (Switched Connection, switched connection) three kinds of connected modes, wherein, the permanent PC that connects is set up by the assignment mode by management plane fully, soft permanent connection SPC connects SC and is participated in completing by control plane connecting the process of setting up with being connected.
The service connection that carries out in legacy network all belongs to PC and connects, at legacy network in the evolution process of ASON network, former PC connects need to move the connection into SPC, controls thereby service connection is transferred to control plane, and this just relates to PC to the transition process of SPC; Equally, for needs such as network operations, also exist service connection is transferred to by control plane the demand that management plane manages, this relates to SPC to the transition process of PC.
The ASON specification requirement is divided resource, namely, 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 the resource of being controlled by control plane that SPC connects shared resource, and the mutual migration of PC and SPC also relates to resource and repartitions problem.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 at present the method that PC and SPC move mutually, from the management plane angle, all not consider call handling process, and do not relate to the problem that resource is repartitioned, this does not meet the principle of the defined ASON of ITU-T and the essence of concept.
Summary of the invention
For the method that realizes that at present PC and SPC move mutually, 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 the management plane implementation method of a kind of permanent connection and soft permanent connection migration, in order to address the above problem.
According to the present invention, provide the management plane implementation method of a kind of permanent connection and soft permanent connection migration.
Management plane implementation method according to permanent connection of the present invention and soft permanent connection migration, be applied to the automatic interaction optical-fiber network, comprise: Element management system is carried out the call treatment relevant to migration operation, wherein, and the migration operation of the permanent connection of described migration operation and soft permanent connection; Element management system issues migration request to control plane, and carries therein the information that is used to indicate call treatment; Element management system receives the migration results from control plane, and in the situation that migration results is successfully, carries out resource according to migration operation and redistribute, and the result that information and the resource of call treatment are redistributed reports network management system.
Preferably, in the situation that migration operation is the migration that is permanently connected to soft permanent connection, call treatment specifically comprises: call setup is processed, call modification is processed.
Preferably, before Element management system is carried out the call treatment relevant with the migration operation of soft permanent connection to permanent connection, said method also comprises: judge whether according to the permanent connection service of migration the calling that exists soft permanent connection to move at Element management system, and determine the call treatment carried out according to judged result.
Preferably, in the situation that the determination result is NO, call treatment is that call setup is processed, and in the process of carrying out call treatment, Element management system is soft permanent connection designated call title.
Preferably, in the situation that judgment result is that and be, call treatment is that call modification is processed, and 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 and distribute to control plane.
Preferably, in the situation that migration operation is the migration that soft permanent connection arrives permanent connection, calling procedure specifically comprises: call out deletion processing, call modification processing.
Preferably, before Element management system is carried out the call treatment relevant with the migration operation of soft permanent connection to permanent connection, method also comprises: Element management system judges the soft permanent connection to be migrated whole connections whether correspondence is called out according to the soft permanent connection business of migration, and determines the call treatment of execution according to judged result.
Preferably, in the situation that judgment result is that and be, call treatment is processed for calling out deletion, and in the process of carrying out call treatment, Element management system will move to permanent the connection with the soft permanent connection of correlation of call.
Preferably, in the situation that the determination result is NO, call treatment is that call modification is processed, and in the process of carrying out call treatment, Element management system is deletion 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 to specify migration be that soft permanent connection is to the migration of permanent connection.
Preferably, Element management system carries out redistributing specifically of resource according to migration operation and comprises: the shared resource of soft permanent connection is distributed to management plane.
Preferably, said method also comprises: in the situation that migration results is that unsuccessfully 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 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 a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram for the network environment of implementing the embodiment of the present invention;
Fig. 2 is the flow chart according to the management plane implementation method of the permanent connection of the embodiment of the present invention and soft permanent connection migration;
Fig. 3 is according to the PC of the embodiment of the present 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 present 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 complete 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 the normal structures such as ITU-T and TMF, and satisfy ITU-T and TMF and Chinese Industrial Standards (CIS) and organize the related specifications of formulating in CCSA.Wherein, according to the migratory direction of service connection, the migration of service connection 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 that as shown in Figure 1, in the ASON network, management plane is divided into NMS and EMS for the schematic diagram of the network environment of implementing the embodiment of the present invention; In the business scenario that PC of the present invention and SPC move mutually, EMS is the promoter of PC and the migration of SPC service connection, simultaneously, EMS reports the result of relevant migration to NMS, wherein, NMS is connected the NMS-EMS interface and connects with EMS, and EMS is connected the EMS-ASON interface and connects with ASON.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Embodiment of the method
According to embodiments of the invention, provide a kind of PC and the SPC management plane implementation method of migration.Fig. 2 is that as shown in Figure 2, the method comprises according to the flow chart of the management plane implementation method of the PC of the embodiment of the present invention and SPC migration:
Step S202, the call treatment that the EMS execution is relevant to the migration operation of PC and SPC;
Step S204, EMS issues migration request to control plane, and carries therein the information that is used to indicate call treatment;
Step S206, EMS receives the migration results from control plane, and in the situation that migration results is successfully, carries out resource according to migration operation and redistribute, and the result that information and the resource of call treatment are redistributed reports NMS; In the situation that migration results is that unsuccessfully EMS shows failure cause to the user.
The process of PC and SPC being moved mutually by the present invention and the resource on 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 table 1; Call object information in the corresponding calling employing of SPC table 2 represents; Wherein, PC connects to be connected with SPC and adopts connection to set up type to distinguish, that is, " connectionSetupType " field in 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 egress point that connects |
| direction | ConnectionDirection | The direction that connects (single/pair) |
| rerouteAllowed | RerouteAllowed | The heavy-route license |
| 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 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 is described
| 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 present 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 treatment (calling procedure) according to judged result; Wherein, call treatment specifically comprises: call setup is processed, call modification is processed;
Wherein, in the situation that the determination result is NO, need to call out constructive process, that is, EMS is to source node (that is, ASON) the control plane process of setting up (reference table 3) that makes a call; At this moment, the call treatment in above-mentioned steps S202 is that call setup is processed, and in the process of carrying out call treatment, EMS is SPC designated call title;
In the situation that judgment result is that and be, do not need new call, at this moment, the call treatment in above-mentioned steps S202 is that call modification is processed, 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 (namely, PC to be migrated) be connected to migration operation that SPC connects (namely, above-mentioned steps S202) in, no matter the calling that whether has existed SPC to move to all needs to revise establishment of connection type (that is, being revised as SPC by PC) corresponding to PC business, and existing the calling modified, 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 therein the information (that is, above-mentioned steps S204) that is used to indicate call treatment; Simultaneously, in migration request (namely, lower photos and sending messages) in, entrained connection parameter all will comprise the routing information that this PC connects, preferably, be assigned to concrete network element, port, time slot, simultaneously, in type parameter is set up in the connection that migration request is carried, indicate this and be operating as PC to the migration of SPC.
Table 3 creates to be called out
Table 4 is revised to connect and is set up type
Step S304, the control plane of source node carry out PC to the transition process of SPC, and report migration results to EMS, EMS receives the migration results from control plane, in the situation that migration results is that successfully EMS is revised as SPC with the establishment of connection type by PC, proceed to step S306; In the situation that migration results is unsuccessfully, flow process finishes;
The shared resource situation of PC business that step S306, EMS move is as required carried out redistributing of resource,, the shared resource of this PC is distributed to control plane that is, and the state of resource is for taking or busy;
Step S308, the result that EMS redistributes 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 is referred to as SNPP) is connected the information such as increase of 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 combination 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 present 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 business of migration, and determines the call treatment of execution according to judged result; Wherein, calling procedure specifically comprises: call out deletion processing, call modification processing;
In the situation that the determination result is NO, call treatment is that call modification is processed, like this, the existing calling that EMS selectes according to the user, in the process of carrying out call treatment, in from then on calling out, selected (that is, the to be migrated) SPC of deletion connects; That is to say, (call out other connection that also comprises except SPC to be migrated) when not needing deletion to call out, only need the deletion from call out with SPC to be migrated.
In the situation that judgment result is that and be, call treatment is processed for calling out deletion, that is to say, if SPC correspondence to be migrated whole connections of calling out, this call out need deleted; Like this, in the process of carrying out call treatment, EMS will move to PC with the SPC of correlation of call, and this operation can realize in the following way: when needs deletions is called out, and the control plane of the source 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 therein the information (that is, above-mentioned steps S204) that is used to indicate call treatment; And, in setting up the type command request message, above-mentioned modification connection carries the information of revising establishment of connection type (being revised as PC by SPC) corresponding to SPC business, 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, in type parameter is set up in the connection that migration request is carried, indicate this and be operating as SPC to the migration of PC, namely, setting up type in connection is SPC when moving to PC, 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 node is carried out PC to the transition process of SPC, and report migration results to EMS, move successfully on ASON network control plane, report the successful connection of calling out in deletion or deletion calling to EMS, EMS is revised as PC with the establishment of connection type by SPC, proceeds to step S406; If source node control plane reports move unsuccessfully, EMS shows failure cause, and flow process finishes;
The shared resource situation of SPC business 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 information and the resource of call treatment reports NMS, and particularly, EMS reports to NMS deletion or the call modification situation of calling out; 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 in 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 combination 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, more meeting the defined ASON marrow of ITU-T aspect principle and concept.
obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step being made into the single integrated circuit module realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is only the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. the permanent management plane implementation method of moving with soft permanent connection that connects, be applied to the automatic interaction optical-fiber network, it is characterized in that, comprising:
Element management system is carried out the call treatment relevant to migration operation, and wherein, described migration operation is the migration operation of permanent connection and soft permanent connection;
Described Element management system issues migration request to control plane, and carries therein the information that is used to indicate described call treatment;
Described Element management system receives the migration results from described control plane, and in the situation that described migration results is successfully, carry out resource according to described migration operation and redistribute, and the result that 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 the situation that described migration operation is the described migration that is permanently connected to described soft permanent connection, described call treatment specifically comprises: call setup is processed, call modification is processed.
3. method according to claim 2, is characterized in that, before described Element management system was carried out the call treatment relevant with the migration operation of soft permanent connection to permanent connection, described method also comprised:
Judge whether according to the permanent connection service of migration the calling that exists soft permanent connection to move at described Element management system, and determine the call treatment carried out according to judged result.
4. method according to claim 3, it is characterized in that, in the situation that the determination result is NO, described call treatment is that call setup is processed, 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: in the situation that judgment result is that and be, described call treatment is that call modification is processed, 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, is characterized in that, also comprises:
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 redistribute specifically and comprise:
The shared resource of described permanent connection is distributed to described control plane.
8. method according to claim 1 is characterized in that:
In the situation that described migration operation is the migration that described soft permanent connection arrives described permanent connection, described calling procedure specifically comprises: call out deletion processing, call modification processing.
9. method according to claim 8, is characterized in that, before described Element management system was carried out the call treatment relevant with the migration operation of soft permanent connection to permanent connection, described method also comprised:
Described Element management system judges the soft permanent connection to be migrated whole connections whether correspondence is called out according to the soft permanent connection business 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 the situation that judgment result is that and be, described call treatment is processed for calling out deletion, in the process of carrying out described call treatment, described Element management system will move to described permanent the connection with the described soft permanent connection of described correlation of call.
11. method according to claim 9, it is characterized in that, in the situation that the determination result is NO, described call treatment is that call modification is processed, 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 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 that described soft permanent connection is to the migration of 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 migration operation and comprises:
The shared resource of described soft permanent connection is distributed to management plane.
14. method according to claim 1 is characterized in that, also comprises:
In the situation that described migration results is unsuccessfully, described Element management system shows failure cause to the user.
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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 |
| 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 |
| 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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| Title |
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| ITU-T Study Group 15.Architecture for the ASON.《ITU-T Rec. G.8080/Y.1304》.2001, * |
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