CN101170482A - Method for realizing SPC activation/deactivation via control plane in ASON network - Google Patents
Method for realizing SPC activation/deactivation via control plane in ASON network Download PDFInfo
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Abstract
The invention discloses a method to realize the SPC activation/ deactivation by a control plane in the ASON network, which can realize the creation, activation, deactivation and deletion of soft permanent connection SPC based on the control plane CP in the ASON network, the resource is pre-reserved during the creation, the transmission plane is noticed to establish the configuration of cross connection after receiving the activation instruction of the management plane MP, finally the SPC connection is established; before the deletion of SPC, the activation instruction is firstly sent out to notice the transmission place to delete the cross connection, the CP continues to reserve the pre-reserved resource, the pre-reserved resource is released after receiving the deletion instruction and the complete deletion for the SPC connection is finally realized. The invention can facilitate the operation and maintenance of the network by the operation and maintenance people, provide the restoration of the pre-calculation function and effectively improve the survival of the network; and the resource pre-reserved function can ensure the flexibility of the businesses which are provided by the operators.
Description
Technical field
The present invention relates to the connection control technology among the ASON ASON, relate in particular to the method that realizes soft permanent connection SPC activation function among the ASON by control plane.
Background technology
ASON ASON (Automatic Switched Optical Network) is worked out and standardized and finish the optical transfer network of new generation of function of exchange automatically by introducing control plane by ITU-T.ASON can transmit net and realize based on the SDH of standard G.803, also can realize based on the optical transfer network OTN of standard G.872.ASON comprises transmission plane TP, control plane CP and three planes of management plane MP, and supports permanent PC, the soft permanent connection SPC of connecting to be connected three kinds of connected modes of SC with switch type.
It is a kind of that mix, the practical connected mode that is provided by ASON network control plane for Automatic Switched Optical Network Technology and the coexistence of conventional transmission network technology that software forever connects SPC.The most of business of ASON network of current commercialization all are to adopt the connected mode of SPC, and in the time of can't providing the UNI function in the not perfect existing network in other words of uni interface, SPC will take on the main task of setting up professional connection always.
Generally, the foundation of SPC be management plane MP initiate request and calculate by control plane with resource reservation after, control plane CP can directly trigger and transmit plane TP and finish cross-coupled processing.Fig. 1 be G.8080 in the appendix A defined SPC connect the schematic diagram of the process of setting up.
Be created as in the merits and demerits journey at normal SPC shown in Figure 1, normal SPC sets up and triggers by management plane MP, management plane MP as call out/by call controller (Calling/CalledParty call controller, CCC) issue SPC to control plane CP and set up instruction, control plane CP handles the back and issues the interconnection instruction to transmitting plane TP.Delete procedure also is so, and promptly management plane issues to control plane and deletes the SPC instruction, and control plane CP handles the back and issues dismounting interconnection instruction to transmitting plane TP.
In the actual operation process of network, consider from the angle of O﹠M, only need control plane to calculate and the resource reservation operation in some cases, after receiving activation command, carry out actual foundation again and transmit the actual interconnection in plane.Same, the process of deexcitation also can be after removing the interconnection that transmits plane TP, control plane CP goes up relevant reserved resource and still can keep, and after control plane CP received the delete command that management plane issues, corresponding reserved resource was just deleted.
Handling like this to bring benefit to be:
1. make things convenient for network O﹠M personnel's operation, particularly ASON uses the initial stage, and carrying out the link weight of route when calculating may be inaccurate, and needs the management maintenance personnel can be before business really is activated, this connection of checking/test.Therefore, needing control plane to carry out corresponding route calculates and resource reservation.In addition, the weight of link and routing algorithm also must be selected, and in most cases, the webmaster personnel may and not know all these accurate information, the checking that need be correlated with equally.
2. from the angle of network survivability, the network management attendant carries out the recovery precomputation of control plane possibly, before breaking down, being connected of precomputation do not set up, when breaking down, can recover to be subjected to the fault effects business by corresponding activation command, save computing time, when optimizing Internet resources, also can effectively improve network survivability.
Therefore; if require after ASON control plane CP finishes calculating and resource reservation; receive activation signal (such as; the user confirms, cancellation, protection are switched etc.); finish subsequent operation again; comprise the interconnection that transmits plane TP, cancellation resource reservation etc., will help the reliability of operation, maintenance and the network of network.
The activation, the deexcitation function that connect at SPC more are to realize on management plane MP at present, and by the SPC that control plane CP participates in activate, deexcitation all do not have in each standardization body at present and relates to.
Summary of the invention
Technical problem to be solved by this invention is, the method that realizes the SPC activation in a kind of ASON network by control plane is provided, and in the ASON network, realizes establishment, activation, deexcitation and the deletion of soft permanent connection SPC based on control plane CP.
The invention provides the method that realizes soft permanent connection SPC activation in a kind of ASON network by control plane, comprise the steps:
(1) management plane MP sends the call setup instruction to control plane CP, parameter wherein indicates SPC yet to be built and has the activation function, control plane CP according to described command calculations SPC path and on the SPC path each node reserve this node resource, wait for the activation instruction of management plane MP;
(2) control plane CP receives the call modification instruction of management plane MP, and parameter wherein indicates described SPC is activated, and CP issues the interconnection instruction to transmitting plane TP, sets up SPC and connects;
(3) control plane CP receives the call modification instruction of management plane MP, and parameter wherein indicates carries out deexcitation to described SPC, and then CP issues deletion interconnection instruction to transmitting plane TP, but keeps the reserved resource of CP;
(4) control plane CP receives the calling delete instruction of management plane MP, and parameter wherein indicates deletes described SPC, then CP deletion reserved resource.
Further, described step (1) comprises the steps:
(11) management plane MP sends the call setup instruction to the calling network controller NCC of calling terminal control plane CP, and whether call type parameter indication SPC yet to be built wherein is the SPC with activation function, if then continue;
(12) after the NCC of calling terminal CP receives the call setup instruction, NCC to called side calls out, the NCC of called side is after calling terminal is returned the call treatment success, and the NCC of calling terminal CP sends to the connection controller CC of this node and creates the SPC connection request with activation function;
(13) described calling terminal CP calculates the SPC path according to the source node in the SPC connection request with activation function, destination node, constraints, at this node reserved resource, other node to thereafter sends the SPC connection request with activation function, and each node on the described SPC path is reserved this node resource;
(14) described each node is reserved success message to the source node feedback resources after this node reserved resource is finished, and reports SPC routing information, resource reservation success message by source node to management plane MP.
Further, the calling terminal source node sends the SPC connection request with activation function by connection request message to thereafter each node in the step (13), wherein carries to show the parameter of setting up the SPC attended operation; Intermediate node in the step (14) on the SPC path and destination node send the opposite end Indication message by upstream nodes and show whether resource reservation is successful, up to being sent to source node, source node reports to calling terminal NCC by connecting Indication message, reports management plane by calling terminal NCC again.
Further, described step (2) comprises the steps:
(21) management plane MP sends the call modification instruction to the calling network controller NCC of calling terminal control plane CP, and indication activates the SPC that sets up in the step (1), and call type parameter indication SPC wherein is the SPC with activation function;
(22) after the NCC of calling terminal CP receives described call modification instruction, NCC to called side calls out, the NCC of called side is after calling terminal is returned the call treatment success, and the NCC of calling terminal CP sends to the connection controller CC of this node and activates described SPC connection request;
(23) after each node on the described SPC path receives and activates the SPC connection request, send the interconnection configuration order, after the interconnection configuration successful of each node, return success message on the SPC path to source node to transmitting plane TP;
(24) source node receives the message that SPC path each node of upstream and downstream returns, and activates successfully then to report to management plane MP and activates the SPC success message.
Further, the instruction of call modification described in the step (21) further comprises calls out ID, modification parameter, in order to calling of representing respectively to make amendment and the parameter that need revise; Carry in the SPC connection request message described in the step (22) and show that this connection request is the parameter of SPC activation manipulation.
Further, described step (3) comprises the steps:
(31) management plane MP sends the call modification instruction to the calling network controller NCC of calling terminal control plane CP, indication is carried out deexcitation to the SPC with activation function, and call type parameter indication SPC wherein is the SPC with activation function;
(32) after the network controller NCC of calling terminal control plane CP receives the call modification request, NCC to called side calls out, after the NCC of called side returned the call treatment success, the NCC of calling terminal CP connected controller CC to this node and sends deexcitation SPC connection request;
(33) after each node on the described SPC path receives deexcitation SPC connection request, send deletion interconnection configuration order, after each knot removal interconnection configuration successful, send success message on the SPC path to source node to transmitting plane TP;
(34) source node receives the message that SPC path each node of upstream and downstream returns, and the deexcitation success then reports deexcitation SPC success message to management plane MP.
Further, the instruction of call modification described in the step (31) further comprises calls out ID, modification parameter, in order to calling of representing respectively to make amendment and the parameter that need revise; Carry in the SPC connection request message described in the step (32) and show that this connection request is the parameter of SPC deactivating operation.
Further, described step (4) comprises the steps:
(41) management plane MP sends to the calling network controller NCC of calling terminal control plane CP and calls out delete instruction, indication is deleted the SPC with activation function, and call type parameter indication SPC wherein is the SPC with activation function;
(42) after the calling network controller NCC of calling terminal control plane CP receives and calls out removal request, NCC to called side calls out, after the NCC of called side returned the call treatment success, the NCC of calling terminal CP connected controller CC to this node and sends the SPC connection request that deletion has the activation function;
(43) after each node on the described SPC path receives described deletion SPC connection request, send described deletion SPC connection request to downstream node, do not carrying out under the activation situation, delete this node reserved resource on the CP in constructive process; Activating, and carrying out under the situation of deexcitation, deleting this node CP and go up reserved resource; Activating, but do not carrying out under the situation of deexcitation, deletion reserved resource and deletion transmit the interconnection of having disposed on the plane; After deleting successfully, report deletion SPC success message to source node;
(44) after source node receives the deletion success message that SPC path each node of upstream and downstream returns, report deletion SPC success message to management plane MP.
Further, above described call type parameter be Call Type parameter, it represents that described SPC is normal SPC or the SPC with activation function.
Further, in the step (1) on the SPC path link manager LRM of each node by this node carry out resource reservation; Each node is made amendment to the SPC resource status by the link manager LRM of this node on the middle SPC path of step (2), changes the SPC connection resource into user mode from reservation state; Each node is made amendment to the SPC resource status by the link manager LRM of this node on the middle SPC path of step (3), changes the SPC connection resource into reservation state from user mode; Each node is deleted reserved resource by the link manager LRM release reserved resource of this node on the middle SPC path of step (4).
Further, described step (1) further comprises: if SPC to be set up connects is not that the SPC with activation function connects, then after calling terminal calculates the SPC path, CP is after each node carries out resource reservation on the SPC path, send the interconnection configuration order to transmitting the plane, set up interconnection at each node, process ends; Described step (4) further comprises: the SPC of deletion connection is not to have the SPC of activation function to connect if desired, then CP sends deletion interconnection configuration order to transmitting the plane, after each node interconnection of deletion, discharge reserved resource, process ends at each node.
The inventive method has realized the reservation to resource by adopting the mode of activation, and is connecting or deleting when connecting and can in time realize corresponding function, and compatible mutually with existing SPC establishment of connection or deletion.The present invention can make things convenient for the Operation and Maintenance of O﹠M personnel to network; Can provide and recover the precomputation function, effectively improve the survivability of network; The resource reservation function guarantees that operator provides professional flexibility.
Description of drawings
Fig. 1 is created as the schematic diagram of merits and demerits journey for normal SPC;
Fig. 2 is the constructive process schematic diagram with SPC of activation function;
Fig. 3 is the activation schematic diagram with SPC of activation function;
Fig. 4 is the deactivation process schematic diagram with SPC of activation function;
Fig. 5 be have the activation function, under situation about activating the delete procedure schematic diagram of SPC;
Fig. 6 be have the activation function, under the situation of having carried out deactivating operation the delete procedure schematic diagram of SPC;
Fig. 7 be have the activation function, activating but do not carrying out the delete procedure schematic diagram of SPC under the situation of deexcitation.
Embodiment
Below in conjunction with accompanying drawing and concrete example, further describe the concrete working method of described SPC activation of the present invention.
The method of the SPC activation function that control plane CP provided by the invention participates in is set up process and inequality with normal SPC, promptly when creating SPC, management plane MP carries relevant parameter in the instruction that the SPC that control plane CP sends sets up, the foundation that indicates this SPC has comprised the activation process, control plane CP is carrying out can directly not issuing the interconnection instruction to transmitting plane TP after resource reservation is handled, but continues to wait for the activation instruction of management plane MP; After control plane CP receives activation instruction, issue the interconnection instruction to transmitting plane TP again.Deactivation process also is like this, after control plane CP receives the deexcitation instruction that comes from management plane MP, send deletion interconnection instruction to transmitting plane TP, but control plane CP does not delete himself resources reserved obligate information, after receiving the delete command that management plane MP sends, carry out the deletion of reserved resource again.
Based on foregoing description, know-why of the present invention is: ASON control plane CP participation has the processing of the SPC of activation function, and entire process comprises foundation, activation, deexcitation, four processes of deletion.In whole process, management plane MP as call out/issued command adapted thereto by call controller CCC to control plane CP, comprise instructions such as call setup, call modification, and special parameter by carrying in the instruction, as type of call Call Type, parameter (parameters to change) that need to revise etc., indicating this is a processing procedure with SPC of activation function.Control plane CP according to relevant parameter in the instruction that receives and the instruction set up, operations such as activation, deexcitation, deletion, thereby finish control plane CP SPC processing procedure that participate in, that have the activation function.
The inventive method is not repelled normal SPC and is set up process in specific implementation process, and management plane can provide normal SPC to handle and have two kinds of mechanism of SPC processing of activation function.
The processing of the SPC activation function that control plane of the present invention participates in comprises four processes: establishment, activation, deexcitation, deletion.Wherein:
Constructive process comprises the steps:
Step 1: management plane MP as call out/by call controller (Calling/Called Party callcontroller, CCC) to calling network controller (the Network Call Controller of control plane CP, NCC) send establishment SPC call instruction, comprise type of call Call Type parameter in the instruction, in order to the difference of representing to set up process with normal SPC.
Step 2: the setup requests that the calling network controller NCC monitoring among the control plane CP in the above-mentioned steps 1 is initiated from call controller CCC, if detect, then call out to called side NCC, call handling process is handled according to the call technology of ASON ASON standard code.If success, then (Connection Controller CC) sends the SPC connection request that establishment has the activation function to the connection controller of calling network controller NCC in control plane CP, changes step 3 over to; If failure, calling network controller NCC then reports the call request failed message to management plane.
Step 3: the control plane CP in the above-mentioned steps 1 receives the SPC connection request with activation function, according to the source node that carries in the request instruction, destination node and constraints etc., carry out the SPC path computing, reserve this node resource, other nodes are transmitted the SPC connection request with activation function on the SPC path simultaneously.Success changes step 4 over to; Failure then reports management plane SPC to create failed message.
Step 4: the control plane on the above-mentioned SPC path on other nodes is finished operations such as resource reservation after receiving the SPC connection request with activation function.
Step 5: source node receives the RESV that path upstream and downstream node returns, if success message reports PATH, resource reservation success message etc. to management plane; If failed message reports management plane SPC to create failed message.
Activation comprises the steps:
Step 1: management plane MP comprises type of call Call Type parameter as calling out/being instructed to the calling network controller NCC of control plane CP transmission call modification by call controller CCC in the instruction message.
Step 2: the call modification request that the calling network controller NCC monitoring among the control plane CP in the above-mentioned steps 1 is initiated from call controller CCC, if detect, then call out to called side NCC, call handling process is handled according to the calling procedure of ASON ASON standard code.The success of NCC call modification processing procedure, then the connection controller CC of calling terminal calling network controller NCC in control plane CP sends and activates the SPC connection request, changes step 3 over to; If the failure of NCC call modification processing procedure, then calling network controller NCC reports the call modification failed message to management plane.
Step 3: the SPC source node control plane CP in the above-mentioned steps 1 receives and activates the SPC connection request, sends the interconnection configuration order to transmitting plane TP.The interconnection configuration successful is then transmitted to SPC path upstream and downstream node and is activated the SPC instruction; The interconnection configuration failure then reports to management plane and activates the SPC failed message.
Step 4: the intermediate node on the above-mentioned SPC path receives the SPC request that activates, and sends the interconnection configuration order to transmitting plane TP.Success is then transmitted to the SPC downstream node and is activated the SPC instruction; Failure then reports to the SPC source node and activates the SPC failed message.
Step 5: the control plane on the above-mentioned SPC path on the destination node receives the SPC request that activates, and sends the interconnection configuration order to transmitting plane TP.Success, then the source node to SPC reports activation SPC success message; Failure, then the source node to SPC reports activation SPC failed message
Step 6: source node receives the message that SPC path upstream and downstream node returns, if success message reports activation SPC success message to management plane; If failed message reports management plane to activate the SPC failed message.
Deactivation process comprises the steps:
Step 1: management plane MP as call out/sent the call modification request by call controller CCC to the calling network controller NCC of control plane CP, comprise type of call Call Type parameter in the instruction message.
Step 2: the call modification request that the calling network controller NCC monitoring among the control plane CP in the above-mentioned steps 1 is initiated from call controller CCC, if detect, then call out to called side NCC, call handling process is handled according to the calling procedure of ASON ASON standard code.The success of NCC call modification processing procedure, the connection controller CC of calling terminal calling network controller NCC in control plane CP sends deexcitation SPC connection request, changes step 3 over to; If the failure of NCC call modification processing procedure, then calling network controller NCC then reports the call modification failed message to management plane.
Step 3: the SPC source node control plane CP in the above-mentioned steps 1 receives deexcitation SPC connection request, sends deletion interconnection configuration order to transmitting plane TP.Deletion interconnection configuration successful is then transmitted deexcitation SPC instruction to SPC path upstream and downstream node; Deletion interconnection configuration failure then reports deexcitation SPC failed message to management plane.
Step 4: the intermediate node on the above-mentioned SPC path receives deexcitation SPC request, sends the interconnection delete command to transmitting plane TP.Success is then transmitted deexcitation SPC instruction to the SPC downstream node; Failure then reports deexcitation SPC failed message to the SPC source node.
Step 5: the control plane on the above-mentioned SPC path on the destination node receives deexcitation SPC request, sends the interconnection delete command to transmitting plane TP.Success, then the source node to SPC reports deexcitation SPC success message; Failure, then the source node to SPC reports deexcitation SPC failed message.
Step 6: source node receives the message that SPC path upstream and downstream node returns, if success message reports deexcitation SPC success message to management plane; If failed message reports management plane deexcitation SPC failed message.
Delete procedure comprises the steps:
Step 1: management plane MP as call out/sent to the calling network controller NCC of control plane CP by call controller CCC and call out delete instruction, comprise the parameters such as calling ID that need be modified in the instruction.
Step 2: the calling removal request that the calling network controller NCC monitoring among the control plane CP in the above-mentioned steps 1 is initiated from call controller CCC, if detect, then call out removal request to called side NCC, call request procedure is handled according to the call technology of ASON ASON standard code.The success of NCC call handling process, the connection controller CC of calling terminal calling network controller NCC in control plane CP sends the SPC connection request that deletion has the activation function, changes step 3 over to; If the failure of NCC call handling process, then calling network controller NCC then reports to management plane and calls out the deletion failed message.
Step 3: the SPC calling terminal control plane CP in the above-mentioned steps 1 receives the SPC with activation function and connects removal request, under situation about activating, delete this node in constructive process on control plane CP reserved resource; Carrying out under the situation of deactivating operation, deleting this node control plane CP and go up reserved resource; Activating but do not carry out under the situation of deexcitation, except that deleting control plane CP went up reserved resource, also deletion simultaneously transmitted the interconnection that has been configured on the plane.Success is then transmitted the SPC with activation function to SPC path upstream and downstream node and is connected removal request; Failure then reports management plane deletion failed message.
Step 4: the intermediate node on the above-mentioned SPC path receives deletion SPC request, under situation about activating, delete this node in constructive process on control plane CP reserved resource; Carrying out under the situation of deactivating operation, deleting this node control plane CP and go up reserved resource; Activating but do not carry out under the situation of deexcitation, except that deleting control plane CP went up reserved resource, also deletion simultaneously transmitted the interconnection that has been configured on the plane.Success then continues to transmit to downstream node the SPC with activation function and connects removal request; Failure then reports the deletion failed message to the SPC source node.
Step 5: the control plane on the above-mentioned SPC path on the destination node receives deletion SPC request, under situation about activating, delete this node in constructive process on control plane CP reserved resource; Carrying out under the situation of deactivating operation, deleting this node control plane CP and go up reserved resource; Activating but do not carry out under the situation of deexcitation, except that deleting control plane CP went up reserved resource, also deletion simultaneously transmitted the interconnection that has been configured on the plane.Success, then the source node to SPC reports deletion SPC success message; Failure, then the source node to SPC reports deletion SPC failed message.
Step 6: source node receives the message that SPC path upstream and downstream node returns, if success message reports deletion SPC success message to management plane; Otherwise, report management plane deletion SPC failed message.
The processing method of the SPC activation function that control plane of the present invention participates in, its complete handling process comprises establishment, activation, deexcitation, four processes of deletion.Wherein, establishment and delete procedure correspondence call request and are called out delete procedure.Activation and deexcitation correspondence the call modification process.Described method has been created the SPC process and has been carried out behind the resource reservation at control plane, and management plane can be by issuing the reserved resource on the delete command deleting control plane, and can be without activating and deactivation process.Created the SPC process and carried out resource reservation at control plane, and management plane has issued activation command to control plane, transmit simultaneously after the plane carried out interconnection configuration, management plane can dispose by the interconnection that issues the reserved resource on the delete command deleting control plane and delete on the transmission plane, and can be without deactivation process.
Be described in further detail in conjunction with accompanying drawing of the present invention particularly.Wherein, Fig. 1 is the schematic diagram that normal SPC is created as the merits and demerits journey; Fig. 2, Fig. 3, Fig. 4 are respectively the schematic diagrames of the establishment that has the SPC of activation function in the inventive method, activation, deactivation process; Fig. 5 correspondence the delete procedure of SPC under situation about activating, and Fig. 6 is the delete procedure of SPC under the situation of having carried out deactivating operation, and Fig. 7 is activating but do not carry out the delete procedure of SPC under the situation of deexcitation.Link Resource Manager device LRM in the accompanying drawing (Link resource manager) is used to finish resource management function.
In conjunction with Fig. 2, the creation operation step of SPC that has the activation function in the inventive method is as follows:
Step 1: management plane MP is as calling out/had to the calling network controller NCC of control plane CP transmission establishment by call controller CCC the SPC call instruction of activation function, comprise type of call Call Type parameter in the instruction, in order to the difference of representing to set up process with normal SPC.
Step 2: after the calling network controller NCC among the control plane CP monitors the setup requests of initiating from call controller CCC, send call pacing (CallCoordination) request to called side NCC.
Step 3: called side NCC determines whether call accepted according to corresponding strategies, and sends to calling terminal and to call out indication (Call Indication) message, call out comprise in the indication call out confirm or the call denial parameter in order to whether to show receipt of call.
Step 4: calling terminal NCC receives the calling Indication message that called side NCC returns, according to the parameter of calling out in the Indication message, be identified if call out, then send connection request message, carry relevant parameter (as activating type Activation Type) in the connection request message to show concrete SPC attended operation to source node control plane CP; Be rejected if call out, then calling terminal NCC reports management plane to call out and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP calculates the SPC path, and carries out resource reservation by link manager LRM according to the request message parameter that receives.
Step 6: the connection controller CC among the source node control plane CP sends connection request message to SPC path upstream and downstream node, carries relevant parameter in the connection request message to show concrete SPC attended operation.
After intermediate node on the step 7:SPC path is received request message, carry out resource reservation by link manager LRM, if success, then next node sends connection request message on the SPC path, carries relevant parameter in the connection request message to show concrete SPC attended operation; If failure then sends opposite end indication (Peer Indication) message to source node, parameter indicating resource reservation failure wherein after the source node control plane is received this message, reports management plane SPC to set up failed message, and flow process finishes.
Destination node on the step 8:SPC path receives connection request message, and the relevant parameter that carries in the connection request message is to show that this operation is that SPC sets up operation.
Destination node on the step 9:SPC path carries out resource reservation by link manager LRM, and shows the resource reservation success or not by sending the opposite end Indication message.
Step 10: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 11: source node is received the opposite end Indication message, and whether parameter indicating resource reservation wherein is successful, and sends connection indication (Connection Indication) message to calling terminal NCC.
Step 12: calling terminal NCC receives the connection Indication message, and judges according to message content whether the SPC with activation function sets up successful.
The SPC that step 13: calling terminal NCC reports management plane to have the activation function sets up situation.
In conjunction with Fig. 3, the activation manipulation step of SPC that has the activation function in the inventive method is as follows:
Step 1: management plane MP is as calling out/being instructed to the calling network controller NCC of control plane CP transmission call modification by call controller CCC, comprise Call ID in the instruction, revise parameter parameters such as (parameters to change), in order to calling of representing to make amendment and the parameter that needs modification.
Step 2: after the calling network controller NCC among the control plane CP monitors the call modification request of initiating from call controller CCC, send the call modification request to called side NCC.
Step 3: called side NCC determines according to corresponding strategies whether call accepted is revised, and to calling terminal transmission calling indication (Call Indication) message, comprise call modification in the calling indication and confirm or the Call Modification Reject parameter, in order to show whether receipt of call is revised.
Step 4: calling terminal NCC receives calling indication (CallIndication) message that called side NCC returns, according to the parameter of calling out in the Indication message, if call modification is identified, then send connection request message to source node control plane CP, and by in connection request message, carrying relevant parameter to show that this connection request is the SPC activation manipulation; Be rejected if call out, then calling terminal NCC reports management plane to call out and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP makes amendment to the reserved resource state by link manager LRM according to the request message parameter that receives, and is about to reserved resource and is revised as user mode from reservation state.
Step 6: the connection controller CC among the source node control plane CP carries out subnet and connects configuration, promptly disposes the interconnection state of this node.
Step 7: the next node on the SPC path of the connection controller CC among the source node control plane CP sends connection request message, carries relevant parameter in the connection request message to show that this connection request is the SPC activation manipulation.
After intermediate node on the step 8:SPC path is received request message, the reserved resource state is made amendment, be about to reserved resource and be revised as user mode from reservation state by link manager LRM.
Step 9: the connection controller CC among the intermediate node control plane CP carries out subnet and connects configuration, promptly disposes the interconnection state of this node.If success, then next node sends connection request message on the SPC path, and carrying relevant parameter in the connection request message is the SPC activation manipulation to show; If failure then sends opposite end indication (Peer Indication) message to source node, parameter indicating subnet wherein connects configuration failure, after the source node control plane is received this message, reports management plane SPC to activate failed message, and flow process finishes.
Destination node on the step 10:SPC path receives SPC connection request message, and carrying relevant parameter in the message is the SPC activation manipulation to show.
Destination node on the step 11:SPC path is made amendment to the reserved resource state by link manager LRM, is about to reserved resource and is revised as user mode from reservation state.
Connection controller CC among the step 12:SPC destination node control plane CP carries out subnet and connects configuration, promptly disposes the interconnection state of this node, and shows by send the opposite end Indication message to SPC path upstream node whether subnet connects configuration successful.
Step 13: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 14: source node is received the opposite end Indication message, and whether the subnet that parameter indicating SPC wherein connects connects configuration successful, and connects Indication message to calling terminal NCC transmission.
Step 15: calling terminal NCC receives the connection Indication message, and judges according to message content whether SPC activation is successful.
Step 16: calling terminal NCC reports management plane SPC to activate the success or not situation.
In conjunction with Fig. 4, the deactivating operation step of SPC that has the activation function in the inventive method is as follows:
Step 1: management plane MP is as calling out/being instructed to the calling network controller NCC of control plane CP transmission call modification by call controller CCC, comprise Call ID in the instruction, revise parameter parameters such as (parameters to change), in order to calling of representing to make amendment and the parameter that needs modification.
Step 2: after the calling network controller NCC among the control plane CP monitors the call modification request of initiating from call controller CCC, send the call modification request to called side NCC.
Step 3: called side NCC determines according to corresponding strategies whether call accepted is revised, and to calling terminal transmission calling indication (Call Indication) message, comprise call modification in the calling indication and confirm or the Call Modification Reject parameter, in order to show whether receipt of call is revised.
Step 4: calling terminal NCC receives calling indication (CallIndication) message that called side NCC returns, according to the parameter of calling out in the Indication message, if call modification is identified, then send connection request message to source node control plane CP, and by in connection request message, carrying relevant parameter to show that this connection request is the SPC deactivating operation; Be rejected if call out, then calling terminal NCC reports management plane to call out and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP makes amendment to the SPC resource status by link manager LRM according to the request message parameter that receives, and is about to the SPC connection resource and is revised as reservation state from user mode.
Step 6: the connection controller CC among the source node control plane CP carries out subnet and connects configuration, promptly deletes the interconnection state of this node.
Step 7: the next node on the SPC path of the connection controller CC among the source node control plane CP sends connection request message, carries relevant parameter in the connection request message to show that this connection request is the SPC deactivating operation.
After intermediate node on the step 8:SPC path is received request message, the SPC resource status is made amendment, be about to the SPC connection resource and be revised as reservation state from user mode by link manager LRM.
Step 9: the connection controller CC among the intermediate node control plane CP carries out subnet and connects configuration, promptly deletes the interconnection state of this node.If success, then next node sends connection request message on the SPC path, and carrying relevant parameter in the connection request message is the SPC deactivating operation to show; If failure then sends opposite end indication (Peer Indication) message to source node, parameter indicating subnet wherein connects the deletion failure, after the source node control plane is received this message, reports management plane SPC deexcitation failed message, and flow process finishes.
Destination node on the step 10:SPC path receives SPC connection request message, and carrying relevant parameter in the message is the SPC deactivating operation to show.
Destination node on the step 11:SPC path is made amendment to the SPC resource status by link manager LRM, is about to the SPC connection resource and is revised as reservation state from user mode.
Connection controller CC among the step 12:SPC destination node control plane CP carries out subnet and connects configuration, promptly deletes the interconnection state of this node, and shows that by send the opposite end Indication message to SPC path upstream node subnet connects the deletion success or not.
Step 13: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 14: source node is received the opposite end Indication message, and whether the subnet that parameter indicating SPC wherein connects connects deletion successful, and connects Indication message to calling terminal NCC transmission.
Step 15: calling terminal NCC receives the connection Indication message, and judges according to message content whether the SPC deactivation process is successful.
Step 16: calling terminal NCC reports management plane SPC deexcitation success or not situation.
In the described method, deletion comprises three kinds of situations when having the SPC of activation function: do not carry out the deletion of SPC under the activation manipulation, carried out the deletion of SPC under the deactivating operation, activate but do not carry out the deletion of SPC under the deexcitation situation.
In conjunction with Fig. 5, in the inventive method, the deletion action step of SPC of not carrying out having under the activation manipulation activation function is as follows:
Step 1: management plane MP is as calling out/being released order to the SPC calling that the calling network controller NCC of control plane CP transmission establishment has the activation function by call controller CCC, comprise type of call Call Type parameter in the instruction and call out parameters such as ID, in order to the difference of expression with normal SPC delete procedure.
Step 2: after the calling network controller NCC among the control plane CP monitors the call release request of initiating from call controller CCC, send (Call Release) request that discharges of calling out to called side NCC.
Step 3: called side NCC determines according to corresponding strategies whether call accepted release is asked, and to calling terminal transmission calling Indication message, comprises calling release affirmation or calling release during calling is indicated and refuse parameter in order to show whether receipt of call release is asked.
Step 4: calling terminal NCC receives the calling Indication message that called side NCC returns, according to the parameter of calling out in the Indication message, be identified if call out to discharge, then send connection request message to source node control plane CP, carrying relevant parameter in the connection request message is the connection deletion action of SPC to show; Be rejected if call out, then calling terminal NCC reports management plane to call out release and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP discharges the SPC resource that is reserved on the CP according to the request message parameter that receives by link manager LRM.According to resource status is reservation state, need not to transmit the operation on the TP of plane.
Step 6: the connection controller CC among the source node control plane CP sends connection request message to SPC path upstream and downstream node, and carrying relevant parameter in the connection request message is that SPC connects deletion action to show.
After intermediate node on the step 7:SPC path is received connection request message, discharge the SPC resource that is reserved by link manager LRM.According to resource status is reservation state, need not to transmit the operation on the TP of plane.If success then continues to send connection request message to SPC path upstream and downstream node, carrying relevant parameter in the connection request message is that SPC connects deletion action to show; If failure then sends opposite end indication (Peer Indication) message to source node, parameter indicating reserved resource deletion failure wherein after the source node control plane is received this message, reports management plane SPC deletion failed message, and flow process finishes.
Destination node on the step 8:SPC path receives connection request message, carries relevant parameter in the connection request message to show that operation this time is that SPC connects deletion action.
Destination node on the step 9:SPC path discharges the SPC resource that is reserved by link manager LRM, is reservation state according to resource status, need not to transmit the operation on the TP of plane.Show the success or not of deletion reserved resource by sending the opposite end Indication message.
Step 10: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 11: source node is received the opposite end Indication message, and whether parameter indicating deletion reserved resource wherein is successful, and sends connection indication (Connection Indication) message to calling terminal NCC.
Step 12: calling terminal NCC receives the connection Indication message, and judges according to message content whether the SPC with activation function sets up successful.
The SPC that step 13: calling terminal NCC reports management plane to have the activation function sets up situation.
In conjunction with Fig. 6, in the inventive method, the deletion action step of SPC of having carried out having under the deactivating operation activation function is as follows:
Step 1: management plane MP is as calling out/being released order to the SPC calling that the calling network controller NCC of control plane CP transmission establishment has the activation function by call controller CCC, comprise parameters such as type of call Call Type and calling ID in the instruction, in order to the difference of expression with normal SPC delete procedure.
Step 2: after the calling network controller NCC among the control plane CP monitors the call release request of initiating from call controller CCC, send call release request to called side NCC.
Step 3: called side NCC determines according to corresponding strategies whether call accepted release is asked, and to calling terminal transmission calling Indication message, comprises calling release affirmation or calling release during calling is indicated and refuse parameter in order to show whether receipt of call release is asked.
Step 4: calling terminal NCC receives the calling Indication message that called side NCC returns, according to the parameter of calling out in the Indication message, be identified if call out to discharge, then send connection request message to source node control plane CP, carrying relevant parameter in the connection request message is the connection deletion action of SPC to show; Be rejected if call out, then calling terminal NCC reports management plane to call out release and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP discharges the SPC resource that is reserved according to the request message parameter that receives by link manager LRM.According to resource status is reservation state, need not to transmit the operation on the TP of plane.
Step 6: the connection controller CC among the source node control plane CP sends connection request message to SPC path upstream and downstream node, and carrying relevant parameter in the connection request message is that SPC connects deletion action to show.
After intermediate node on the step 7:SPC path is received connection request message, discharge the SPC resource that is reserved by link manager LRM.According to resource status is reservation state, need not to transmit the operation on the TP of plane.If success then sends connection request message to SPC path upstream and downstream node, carrying relevant parameter in the connection request message is that SPC connects deletion action to show; If failure then sends opposite end indication (Peer Indication) message to source node, parameter indicating reserved resource deletion failure wherein after the source node control plane is received this message, reports management plane SPC deletion failed message, and flow process finishes.
Destination node on the step 8:SPC path receives connection request message, carries relevant parameter in the connection request message to show that operation this time is that SPC connects deletion action.
Destination node on the step 9:SPC path discharges the SPC resource that is reserved by link manager LRM, is reservation state according to resource status, need not to transmit the operation on the TP of plane.Show the success or not of deletion reserved resource by sending the opposite end Indication message.
Step 10: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 11: source node is received the opposite end Indication message, and whether parameter indicating deletion reserved resource wherein is successful, and sends connection indication (Connection Indication) message to calling terminal NCC.
Step 12: calling terminal NCC receives the connection Indication message, and judges according to message content whether the SPC delete procedure with activation function is successful.
Step 13: calling terminal NCC reports management plane to have the SPC deletion situation of activation function.
In conjunction with Fig. 7, in the inventive method, activated but not carry out having under the deexcitation situation deletion action step of SPC of activation function as follows:
Step 1: management plane MP is as calling out/being released order to the SPC calling that the calling network controller NCC of control plane CP transmission establishment has the activation function by call controller CCC, comprise parameters such as type of call Call Type and calling ID in the instruction, in order to the difference of expression with normal SPC delete procedure.
Step 2: after the calling network controller NCC among the control plane CP monitors the call release request of initiating from call controller CCC, send call release request to called side NCC.
Step 3: called side NCC determines according to corresponding strategies whether call accepted release is asked, and to calling terminal transmission calling Indication message, comprises calling release affirmation or calling release during calling is indicated and refuse parameter in order to show whether receipt of call release is asked.
Step 4: calling terminal NCC receives the calling Indication message that called side NCC returns, according to the parameter of calling out in the Indication message, be identified if call out to discharge, then send connection request message to source node control plane CP, carrying relevant parameter in the connection request message is the connection deletion action of SPC to show; Be rejected if call out, then calling terminal NCC reports management plane to call out release and is rejected message, and flow process finishes.
Step 5: the connection controller CC among the source node control plane CP discharges the SPC resource that is reserved according to the request message parameter that receives by link manager LRM.
Step 6: source node is a user mode according to resource status, shows not carry out deactivating operation, therefore carries out subnet connection configuration deletion by connecting controller CC.
Step 7: the connection controller CC among the source node control plane CP sends connection request message to SPC path upstream and downstream node, and carrying relevant parameter in the connection request message is that SPC connects deletion action to show.
After intermediate node on the step 8:SPC path is received request message, discharge the SPC resource that is reserved by link manager LRM.
Step 9: intermediate node control plane CP is a user mode according to resource status, shows and does not carry out deactivating operation, therefore carries out subnet connection configuration deletion by connecting controller CC.If success then sends connection request message to SPC path upstream and downstream node, carrying relevant parameter in the connection request message is the SPC deletion action to show; If failure then sends opposite end indication (PeerIndication) message to source node, parameter indicating subnet wherein connects configuration failure, after the source node control plane is received this message, reports management plane SPC deletion failed message, and flow process finishes.
Destination node on the step 10:SPC path receives connection request message, carries relevant parameter in the connection request message to show that operation this time is that SPC connects deletion action.
Step 11: the connection controller CC among the destination node control plane CP discharges the SPC resource that is reserved according to the request message parameter that receives by link manager LRM.
Step 12: destination node is a user mode according to resource status, shows not carry out deactivating operation, therefore carries out subnet connection configuration deletion by connecting controller CC.Show SPC deletion success or not by send the opposite end Indication message to source node.
Step 13: intermediate node is transmitted the opposite end Indication message of SPC downstream node.
Step 14: source node is received the opposite end Indication message, and whether parameter indicating SPC deletion wherein is successful, and sends connection indication (Connection Indication) message to calling terminal NCC.
Step 15: calling terminal NCC receives the connection Indication message, and judges according to message content whether the SPC delete procedure with activation function is successful.
Step 16: calling terminal NCC reports management plane to have the SPC deletion situation of activation function.
From above-mentioned implementation process, can further to define technical solution of the present invention and have following characteristics: make things convenient for the Operation and Maintenance of O﹠M personnel network; Can provide and recover the precomputation function, effectively improve the survivability of network; The resource reservation function guarantees that operator provides professional flexibility.
Claims (11)
1. realize the method for soft permanent connection SPC activation in the ASON network by control plane, it is characterized in that, comprise the steps:
(1) management plane MP sends the call setup instruction to control plane CP, parameter wherein indicates SPC yet to be built and has the activation function, control plane CP according to described command calculations SPC path and on the SPC path each node reserve this node resource, wait for the activation instruction of management plane MP;
(2) control plane CP receives the call modification instruction of management plane MP, and parameter wherein indicates described SPC is activated, and CP issues the interconnection instruction to transmitting plane TP, sets up SPC and connects;
(3) control plane CP receives the call modification instruction of management plane MP, and parameter wherein indicates carries out deexcitation to described SPC, and then CP issues deletion interconnection instruction to transmitting plane TP, but keeps the reserved resource of CP;
(4) control plane CP receives the calling delete instruction of management plane MP, and parameter wherein indicates deletes described SPC, then CP deletion reserved resource.
2. the method for claim 1 is characterized in that, described step (1) comprises the steps:
(11) management plane MP sends the call setup instruction to the calling network controller NCC of calling terminal control plane CP, and whether call type parameter indication SPC yet to be built wherein is the SPC with activation function, if then continue;
(12) after the NCC of calling terminal CP receives the call setup instruction, NCC to called side calls out, the NCC of called side is after calling terminal is returned the call treatment success, and the NCC of calling terminal CP sends to the connection controller CC of this node and creates the SPC connection request with activation function;
(13) described calling terminal CP calculates the SPC path according to the source node in the SPC connection request with activation function, destination node, constraints, at this node reserved resource, other node to thereafter sends the SPC connection request with activation function, and each node on the described SPC path is reserved this node resource;
(14) described each node is reserved success message to the source node feedback resources after this node reserved resource is finished, and reports SPC routing information, resource reservation success message by source node to management plane MP.
3. method as claimed in claim 2 is characterized in that:
The calling terminal source node sends the SPC connection request with activation function by connection request message to thereafter each node in the step (13), wherein carries to show the parameter of setting up the SPC attended operation;
Intermediate node in the step (14) on the SPC path and destination node send the opposite end Indication message by upstream nodes and show whether resource reservation is successful, up to being sent to source node, source node reports to calling terminal NCC by connecting Indication message, reports management plane by calling terminal NCC again.
4. the method for claim 1 is characterized in that, described step (2) comprises the steps:
(21) management plane MP sends the call modification instruction to the calling network controller NCC of calling terminal control plane CP, and indication activates the SPC that sets up in the step (1), and call type parameter indication SPC wherein is the SPC with activation function;
(22) after the NCC of calling terminal CP receives described call modification instruction, NCC to called side calls out, the NCC of called side is after calling terminal is returned the call treatment success, and the NCC of calling terminal CP sends to the connection controller CC of this node and activates described SPC connection request;
(23) after each node on the described SPC path receives and activates the SPC connection request, send the interconnection configuration order, after the interconnection configuration successful of each node, return success message on the SPC path to source node to transmitting plane TP;
(24) source node receives the message that SPC path each node of upstream and downstream returns, and activates successfully then to report to management plane MP and activates the SPC success message.
5. method as claimed in claim 4 is characterized in that:
The instruction of call modification described in the step (21) further comprises calls out ID, modification parameter, in order to calling of representing respectively to make amendment and the parameter that need revise;
Carry in the SPC connection request message described in the step (22) and show that this connection request is the parameter of SPC activation manipulation.
6. the method for claim 1 is characterized in that, described step (3) comprises the steps:
(31) management plane MP sends the call modification instruction to the calling network controller NCC of calling terminal control plane CP, indication is carried out deexcitation to the SPC with activation function, and call type parameter indication SPC wherein is the SPC with activation function;
(32) after the network controller NCC of calling terminal control plane CP receives the call modification request, NCC to called side calls out, after the NCC of called side returned the call treatment success, the NCC of calling terminal CP connected controller CC to this node and sends deexcitation SPC connection request;
(33) after each node on the described SPC path receives deexcitation SPC connection request, send deletion interconnection configuration order, after each knot removal interconnection configuration successful, send success message on the SPC path to source node to transmitting plane TP;
(34) source node receives the message that SPC path each node of upstream and downstream returns, and the deexcitation success then reports deexcitation SPC success message to management plane MP.
7. method as claimed in claim 6 is characterized in that:
The instruction of call modification described in the step (31) further comprises calls out ID, modification parameter, in order to calling of representing respectively to make amendment and the parameter that need revise;
Carry in the SPC connection request message described in the step (32) and show that this connection request is the parameter of SPC deactivating operation.
8. the method for claim 1 is characterized in that, described step (4) comprises the steps:
(41) management plane MP sends to the calling network controller NCC of calling terminal control plane CP and calls out delete instruction, indication is deleted the SPC with activation function, and call type parameter indication SPC wherein is the SPC with activation function;
(42) after the calling network controller NCC of calling terminal control plane CP receives and calls out removal request, NCC to called side calls out, after the NCC of called side returned the call treatment success, the NCC of calling terminal CP connected controller CC to this node and sends the SPC connection request that deletion has the activation function;
(43) after each node on the described SPC path receives described deletion SPC connection request, send described deletion SPC connection request to downstream node, do not carrying out under the activation situation, delete this node reserved resource on the CP in constructive process; Activating, and carrying out under the situation of deexcitation, deleting this node CP and go up reserved resource; Activating, but do not carrying out under the situation of deexcitation, deletion reserved resource and deletion transmit the interconnection of having disposed on the plane; After deleting successfully, report deletion SPC success message to source node;
(44) after source node receives the deletion success message that SPC path each node of upstream and downstream returns, report deletion SPC success message to management plane MP.
9. as the described method of arbitrary claim in claim 2 or 4 or 6 or 8, it is characterized in that described call type parameter is a Call Type parameter, it represents that described SPC is normal SPC or the SPC with activation function.
10. the method for claim 1 is characterized in that:
Each node carries out resource reservation by the link manager LRM of this node on the middle SPC path of step (1);
Each node is made amendment to the SPC resource status by the link manager LRM of this node on the middle SPC path of step (2), changes the SPC connection resource into user mode from reservation state;
Each node is made amendment to the SPC resource status by the link manager LRM of this node on the middle SPC path of step (3), changes the SPC connection resource into reservation state from user mode;
Each node is deleted reserved resource by the link manager LRM release reserved resource of this node on the middle SPC path of step (4).
11. the method for claim 1 is characterized in that:
Described step (1) further comprises: if SPC to be set up connects is not that the SPC with activation function connects, then after calling terminal calculates the SPC path, CP is after each node carries out resource reservation on the SPC path, send the interconnection configuration order to transmitting the plane, set up interconnection at each node, process ends;
Described step (4) further comprises: the SPC of deletion connection is not to have the SPC of activation function to connect if desired, then CP sends deletion interconnection configuration order to transmitting the plane, after each node interconnection of deletion, discharge reserved resource, process ends at each node.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2009146652A1 (en) * | 2008-06-03 | 2009-12-10 | 中兴通讯股份有限公司 | Connection transfer method and system in an automatically switched 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 |
| CN101959093A (en) * | 2010-10-22 | 2011-01-26 | 烽火通信科技股份有限公司 | Method for improving information communication efficiency of control entity and transmitting entity |
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| CN1309216C (en) * | 2004-10-08 | 2007-04-04 | 烽火通信科技股份有限公司 | Method for controlling plane participation protective rotation in ASON network |
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| WO2009146652A1 (en) * | 2008-06-03 | 2009-12-10 | 中兴通讯股份有限公司 | Connection transfer method and system in an automatically switched optical network |
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| CN101605278B (en) * | 2009-03-04 | 2015-04-01 | 北京邮电大学 | Method for realizing adaptive signaling in distributed control collaborative optical networks |
| CN101959089B (en) * | 2009-07-17 | 2013-06-12 | 中兴通讯股份有限公司 | Method for managing network element data in centralized mode and network element equipment |
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| CN101959093A (en) * | 2010-10-22 | 2011-01-26 | 烽火通信科技股份有限公司 | Method for improving information communication efficiency of control entity and transmitting entity |
| CN101959093B (en) * | 2010-10-22 | 2013-04-10 | 烽火通信科技股份有限公司 | Method for improving information communication efficiency of control entity and transmitting entity |
| WO2017066923A1 (en) * | 2015-10-20 | 2017-04-27 | 华为技术有限公司 | Method, network controller, and system for establishing service path |
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