CN109428865A - A kind of method and relevant device of handoff label switched path renewal authority - Google Patents
A kind of method and relevant device of handoff label switched path renewal authority Download PDFInfo
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- CN109428865A CN109428865A CN201710762128.5A CN201710762128A CN109428865A CN 109428865 A CN109428865 A CN 109428865A CN 201710762128 A CN201710762128 A CN 201710762128A CN 109428865 A CN109428865 A CN 109428865A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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Abstract
The present invention provides the method and relevant device of a kind of handoff label switched path renewal authority, this method comprises: receiving PCUpd message, the PCUpd message carries the information for giving back the renewal authority of PCC at least two LSP created；RX path calculates label switched path and creates PCInitiate message；According to the information that the PCInitiate message carries, the renewal authority of at least two LSP is licensed to the PCE for sending the PCInitiate message.In this way, the efficiency that LSP renewal authority switches between PCE can be improved.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of the method and phase of handoff label switched path renewal authority
Close equipment.
Background technique
Software defined network (Software Defined Network, abbreviation SDN) is a kind of novel network architecture, it
Design concept be network-based control plane is separated with data forwarding plane, thus by concentrate controller in it is soft
Part platform goes to realize programmable control bottom hardware, realizes to the flexible distributed in demand of Internet resources.
In SDN, mark that path calculating client (Path Computation Client, abbreviation PCC) can be created
The permission grant of label switching path (Label Switched Path, abbreviation LSP) Update attribute parameter capabilities gives path computing list
First (Path Computation Element, abbreviation PCE), allow PCE according to the variation of current network environment in time more
New LSP, to optimize whole network resource.But in existing SDN, the LSP renewal authority that may have multiple PCC is concentrated
In on a PCE, cause the PCE load excessive；At this point, then need for the LSP renewal authority of the PCE to be switched to other PCE with
Share loads.In response to this, industry is taken through makes PCC to PCE path computation Tag switching according to local policy
Path status reports (Path Computation LSP State Report, abbreviation PCRpt) message to authorize or cancel spy
Fixed LSP renewal authority, to achieve the purpose that LSP renewal authority switches between PCE.But this way can only be cut every time
The renewal authority of a LSP is changed, brings a large amount of workload to operation and maintenance personnel in this way, so that operation is troublesome, it is difficult to full
The PCE all LSP renewal authorities obtained are disposably quickly switched into the business needs of another PCE, therefore LSP by sufficient operator
The efficiency that renewal authority switches between PCE is lower.
As a result, in current SDN, the efficiency that LSP renewal authority switches between PCE is lower.
Summary of the invention
A kind of method for being designed to provide handoff label switched path renewal authority and correlation of the embodiment of the present invention are set
Standby, the efficiency for solving the problems, such as that LSP renewal authority switches between PCE in current SDN is lower.
In order to achieve the above object, the embodiment of the present invention provides a kind of method of handoff label switched path renewal authority,
Include:
RX path calculating label switched path, which updates, requests (Path Computation LSP Update Request,
Abbreviation PCUpd) message, the PCUpd message carries at least two strip labels exchange for being created path calculating client PCC
The information that the renewal authority of path LSP is given back；
RX path calculates label switched path creation (Path Computation LSP Initiate, abbreviation
PCInitiate) message；
According to the information that the PCInitiate message carries, the renewal authority of at least two LSP is licensed into hair
Send the PCE of the PCInitiate message.
The embodiment of the present invention also provides the method for another handoff label switched path renewal authority, comprising:
PCUpd message is constructed, carries the PCUpd message by the renewal authority of PCC at least two LSP created
The information given back；
The PCUpd message is sent to the PCC.
The embodiment of the present invention also provides the method for another handoff label switched path renewal authority, comprising:
PCInitiate message is constructed, the PCInitiate message is carried and gives back PCC at least for obtaining PCE
The information of the renewal authority of two LSP；
The PCInitiate message is sent to the PCC.
The embodiment of the present invention also provides a kind of device of handoff label switched path renewal authority, comprising:
First receiving module, for receiving PCUpd message, the PCUpd message is carried path calculating client PCC
The information that the renewal authority of at least two LSP created is given back；
Second receiving module, for receiving PCInitiate message；
Authorization module, the information for being carried according to the PCInitiate message, by the update of at least two LSP
Permission grant is to the PCE for sending the PCInitiate message.
The embodiment of the present invention also provides the device of another handoff label switched path renewal authority, comprising:
First constructing module carries the PCUpd message and is created PCC at least for constructing PCUpd message
The information that the renewal authority of two LSP is given back；
First sending module, for sending the PCUpd message to the PCC.
The embodiment of the present invention also provides the device of another handoff label switched path renewal authority, comprising:
Second constructing module carries the PCInitiate message for obtaining for constructing PCInitiate message
PCE is taken to give back the information of the renewal authority of at least two LSP of PCC；
Second sending module, for sending the PCInitiate message to the PCC.
The embodiment of the present invention also provides a kind of network element, including memory, processor and is stored on the memory and can
The computer program run on the processor, the processor is realized when executing described program to be applied to described in server
Handoff label switched path renewal authority method.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
The step being applied in the method for handoff label switched path renewal authority described in network element is realized when being executed by processor.
A technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
In the embodiment of the present invention, by receiving PCUpd message, the PCUpd message, which carries, is created PCC at least
The information that the renewal authority of two LSP is given back；Receive PCInitiate message；The letter carried according to the PCInitiate message
The renewal authority of at least two LSP, is licensed to the PCE for sending the PCInitiate message by breath；In this way, it is possible to reduce
The interacting message of PCE and PCC, to improve the efficiency that LSP renewal authority switches between PCE.
Detailed description of the invention
Fig. 1 is the applicable network structure of the embodiment of the present invention；
Fig. 2 is a kind of process signal of method of handoff label switched path renewal authority provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of format structure schematic diagram of LSP object provided in an embodiment of the present invention；
Fig. 4 is the process signal of the method for another handoff label switched path renewal authority provided in an embodiment of the present invention
Figure；
Fig. 5 is a kind of format structure schematic diagram of entity identities mark provided in an embodiment of the present invention；
Fig. 6 is the process signal of the method for another handoff label switched path renewal authority provided in an embodiment of the present invention
Figure；
Fig. 7 is the process signal of the method for another handoff label switched path renewal authority provided in an embodiment of the present invention
Figure；
Fig. 8 is a kind of structure chart of the device of handoff label switched path renewal authority provided in an embodiment of the present invention；
Fig. 9 is the structure chart of the device of another handoff label switched path renewal authority provided in an embodiment of the present invention；
Figure 10 is the structure chart of the device of another handoff label switched path renewal authority provided in an embodiment of the present invention；
Figure 11 is the structure chart of the device of another handoff label switched path renewal authority provided in an embodiment of the present invention；
Figure 12 is a kind of structure chart of network element provided in an embodiment of the present invention；
Figure 13 is the structure chart of another network element provided in an embodiment of the present invention；
Figure 14 is the structure chart of another network element provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
Referring to Fig. 1, Fig. 1 is the applicable network structure of the embodiment of the present invention, as shown in Figure 1, including first path meter
It calculates unit 1, the second path-calculating element 2, first path and calculates client 3 and the second path calculating client 4；Wherein, described
First path computing unit 1 and second path-calculating element 2 can calculate client 3 and establish with the first path to be led to
Letter, the first path computing unit 1 and second path-calculating element 2 can also be built with the second path calculating client 4
Vertical communication, it should be noted that network as shown in the figure can be with path computation element protocol (Path Computation Element
Protocol, abbreviation PCEP) based on.
Referring to fig. 2, the embodiment of the present invention provides a kind of method of handoff label switched path renewal authority, can be applied to
PCC, comprising the following steps:
Step 201 receives PCUpd message, and the PCUpd message carries at least two LSP for being created PCC more
The information that new permission is given back.
Wherein, it should be noted that the PCUpd message that PCE is sent is received by PCC in the step；In addition, described
The renewal authority of LSP can be understood as the ability or permission that PCC is updated the property parameters of the LSP created；Also need
It is noted that the renewal authority of the LSP that PCC is created, which is given back, can be understood as following this situation, when certain PCC is created
After building LSP, certain described PCC should be belonged to originally to the ability of the Update attribute parameter of LSP, but certain described PCC is by this energy
After power is transferred to certain PCE by authorization, certain described PCE can then be automatically updated according to the variation of current line or network
The parameter of LSP is to adapt to current network, at this point, certain described PCE can also be returned by sending PCUpd message to certain described PCC
The authorization of also this undated parameter ability.For example, for example main PCC in the PCRpt message sent to target PCE by taking
Band LSP object, the format of the LSP object are as shown in Figure 3, wherein authorization mark is that Delegate Flag is set as 1, is indicated
The renewal authority for the LSP that the main PCC is created licenses to target PCE, at this point, the main PCC can be sent to target PCE
PCRpt message, the PCRpt message carry LSP object, wherein authorization mark (Delegate Flag) is set as 0, revocation
The authorization.In addition, the target PCE can also be by sending PCUpd message to the main PCC, the PCUpd message is carried
There is LSP object, wherein authorization mark (Delegate Flag) is set as 0, to give back authorization tag changeable path as shown in Figure 3
Diameter mark is the authorization of LSP corresponding to PLSP-ID, it should be added that the label switched path identifies (PLSP-
ID) be corresponding specific LSP mark.
Step 202 receives PCInitiate message.
Wherein, the PCInitiate message that PCE is sent is received by PCC in the step；It should also be noted that, PCE can
To send PCInitiate message by PCC, to allow PCC, actively a new LSP is established in triggering, this by PCC actively creation
Renewal authority must be licensed to the PCE automatically by LSP, and the LSP that PCC can not create this active carries out authorization revocation.But
PCE can return this kind authorization by sending PCUpd message to PCC, and PCC must start up state and wait time-out timing at this time
Device, before this condition timer time-out, other PCE can reacquire authorization by construction PCInitiate message.It answers
When note that completing the reception to PCInitiate message in the condition timer, it is ensured that the upper flow of LSP does not interrupt,
And reduce network oscillation.
Step 203, the information carried according to the PCInitiate message, by the renewal authority of at least two LSP
License to the PCE for sending the PCInitiate message.
It should be noted that the step is licensed to the renewal authority of at least two LSP described in transmission by PCC
The PCE of PCInitiate message, wherein the PCC can receive the LSP renewal authority that multiple PCE are returned, and can also be by institute
The LSP renewal authority for stating return licenses to multiple PCE.It is also possible to be institute after the authorization that former PCE returns LSP to certain PCC
It states certain PCC and the authorization of the LSP is issued to the original PCE according to exponential backoff mechanism again again.
In the embodiment of the present invention, by receiving PCUpd message, the PCUpd message, which carries, is created PCC at least
The information that the renewal authority of two LSP is given back；Receive PCInitiate message；The letter carried according to the PCInitiate message
The renewal authority of at least two LSP, is licensed to the PCE for sending the PCInitiate message by breath；In this way, can be a large amount of
The interacting message between PCC and PCE is reduced, to promote the efficiency that LSP renewal authority switches between PCE.
Referring to fig. 4, the embodiment of the present invention also provides the method for another handoff label switched path renewal authority, Ke Yiying
For PCC, comprising the following steps:
Step 401 receives PCUpd message, and the PCUpd message carries LSP object, authorizes mark in the LSP object
It is denoted as 0, label switched path is identified as 0, and the renewal authority of PCC at least two LSP created is returned in the LSP object expression
Also.
Wherein, the PCUpd message that PCE is sent is received by PCC in the step；Format such as Fig. 3 of the LSP object
Shown, the authorization mark can be Delegate Flag, and the label switched path mark can be PLSP-ID, at this time institute
Stating LSP object indicates to give back the LSP renewal authority on all PCC for sending the PCE acquisition of the PCUpd message.Also need
It is noted that traversing all every LSP for being issued to the PCE, then send out to the PCE after PCC receives the PCUpd message
Send the PCRpt message for responding the PCUpd message, and starting state overtime timer.
Step 202, Xiang Suoshu PCC send the PCInitiate message.
Wherein, the PCInitiate message that PCE is sent is received by PCC in the step.It should also be noted that, PCE can
To send PCInitiate message by PCC, to allow PCC, actively a new LSP is established in triggering, this by PCC actively creation
Renewal authority must be licensed to the PCE automatically by LSP, and the LSP that PCC can not create this active carries out authorization revocation.But
PCE can return this kind authorization by sending PCUpd message to PCC, and PCC must start up state and wait time-out timing at this time
Device, before this condition timer time-out, other PCE can reacquire authorization by construction PCInitiate message.
Step 203, the information carried according to the PCInitiate message, by the renewal authority of at least two LSP
License to the PCE for sending the PCInitiate message.
It should be noted that the renewal authority of at least two LSP will be licensed to described in transmission by PCC in the step
The PCE of PCInitiate message, wherein the PCC can receive the LSP renewal authority that multiple PCE are returned, and can also be by institute
The LSP renewal authority for stating return licenses to multiple PCE.It is also possible to be institute after the authorization that former PCE returns LSP to certain PCC
It states certain PCC and the authorization of the LSP is issued to the original PCE according to exponential backoff mechanism again again.
Optionally, the information carried according to the PCInitiate message, the update of at least two LSP is weighed
The step of limit licenses to the PCE for sending the PCInitiate message, comprising:
If carrying LSP object and entity identities mark in the PCInitiate message, and the entity identities identify
In carry the IP address of specified PCE, label switched path is identified as 0 in the LSP object, then more by least two LSP
For new permission grant to the PCE for sending the PCInitiate message, at least two renewal authorities are with the specified PCE's
The corresponding PCE of IP address gives back the renewal authority of PCC；
If carrying LSP object and entity identities mark in the PCInitiate message, and label in the LSP object
Switching path mark is not 0, then licenses to the renewal authority of the LSP corresponding with label switched path mark and send institute
State the PCE of PCInitiate message；
If carrying LSP object in the PCInitiate message, and label switched path identifies not in the LSP object
It is 0, does not carry entity identities mark, then create a LSP corresponding with label switched path mark.
Wherein, it should be noted that the executing subject of the step can be PCC；In addition, the lattice of the entity identities mark
Formula is as shown in figure 5, entity identities mark can be The ENTITY-IDENTITY-ID TLV, the label switched path
Mark can be PLSP-ID, and the IP address of the specified PCE can be filled in the peer identification of the entity identities mark i.e.
In Speaker Entity Identifier.In this way, the PCE that authorized or be returned authorization can be specified quickly.
It is illustrated with a specific example, as shown in Figure 1, first path computing unit 1 calculates client 3 to first path
PCUpd message is sent, LSP object is carried in the PCUpd message, authorization mark (Delegate in the LSP object
It Flag) is 0, it is 0 that label switched path, which identifies (PLSP-ID), then the first path computing unit 1 is to the first path meter
Calculate the renewal authority that client 3 has returned all LSP of all client authorizations；The first path calculates client 3 and receives
After the PCUpd message, the LSP object carried in this message is parsed, if authorization is identified as 0 in the LSP object, mark
Label switching path is identified as 0, then the first path calculates client 3 and disappears to the first path computing unit 1 transmission PCRpt
It ceases, the authorization in LSP object carried in the PCRpt message is identified as 0, indicates the revocation that confirmation authorizes LSP, and to every
LSP starting state overtime timer.At this point, the second path-calculating element 2 constructs PCInitiate message, it is described
PCInitiate message carries entity identities mark (The ENTITY-IDENTITY-ID TLV), the entity identities mark
In peer identification (Speaker Entity Identifier) be filled with the first path computing unit 1 IP address,
And the label switched path in the LSP object carried in the PCInitiate message is identified as 0；When the first path calculates
Client 3 receives the PCInitiate message, parses the PCInitiate message, judges the label switched path mark
Knowing is 0, and carries entity identities mark, at this point, the first path calculates client 3 for the first path computing unit
The authorization of the 1 all LSP returned, licenses to second path-calculating element 2, in this way, second path-calculating element 2 is just
It is provided with the ability i.e. renewal authority of the Update attribute parameter for all LSP that the first path computing unit 1 is returned, that is,
The authorization of the renewal authority of LSP has been quickly finished from the first path computing unit 1 to second path-calculating element 2
Switching.
In the embodiment of the present invention, PCUpd message is received, the PCUpd message carries LSP object, in the LSP object
Authorization mark is 0, and label switched path is identified as 0, and the LSP object is indicated the update of PCC at least two LSP created
Permission is given back；By sending the PCInitiate message to the PCC, the letter carried according to the PCInitiate message
The renewal authority of at least two LSP, is licensed to the PCE for sending the PCInitiate message by breath；In this way, it is possible to reduce
The interacting message of PCC and PCE, to improve the efficiency that LSP renewal authority switches between PCE.
Referring to Fig. 6, the embodiment of the present invention also provides the method for another handoff label switched path renewal authority, Ke Yiying
For PCE, comprising the following steps:
Step 601, construction PCUpd message carry the PCUpd message by PCC at least two LSP's created
The information that renewal authority is given back.
Wherein, it should be noted that the main body of construction PCUpd message can be PCE.
Step 602, Xiang Suoshu PCC send the PCUpd message.
Wherein, PCE sends the PCUpd message to the PCC to indicate at least two LSP for being created the PCC
Renewal authority give back.
Optionally, the construction PCUpd message makes the PCUpd message carry at least two for being created PCC
The step of information that the renewal authority of LSP is given back, comprising:
PCUpd message is constructed, so that the PCUpd message is carried LSP object, authorization mark in the LSP object is set
It is 0, setting label switched path is identified as 0, and the LSP object is indicated the renewal authority of PCC at least two LSP created
It gives back.
Wherein, the LSP object format as shown in figure 3, the authorization mark can be Delegate Flag, it is described
Label switched path mark can be PLSP-ID.
In the embodiment of the present invention, by construct PCUpd message, make the PCUpd message carry by PCC created to
The information that the renewal authority of few two LSP is given back；The PCUpd message is sent to the PCC；In this way, it is possible to reduce PCE with
Interacting message between PCC, thus the efficiency that the renewal authority for improving LSP switches between PCE.
Referring to Fig. 7, the embodiment of the present invention provides the method for another handoff label switched path renewal authority, can apply
In PCC, comprising the following steps:
Step 701, construction PCInitiate message, carry the PCInitiate message and give back for obtaining PCE
The information of the renewal authority of at least two LSP of PCC.
Wherein, it should be noted that the main body of construction PCInitiate message can be PCE.
Step 702, Xiang Suoshu PCC send the PCInitiate message.
Wherein, PCE to the PCC send the PCUpd message with indicate to obtain the PCC is created at least two
The authorization of the renewal authority of LSP.
Optionally, the construction PCInitiate message carries the PCInitiate message and returns for obtaining PCE
The step of information of the renewal authority of at least two LSP of also PCC, comprising:
PCInitiate message is constructed, the PCInitiate message is made to carry LSP object and entity identities mark, and
The IP address that specified PCE is carried in the entity identities mark, is arranged label switched path in the LSP object and is identified as 0,
The LSP object and entity identities mark are for obtaining the renewal authority of at least two LSP, wherein described at least two
Renewal authority is the renewal authority that PCE corresponding with the IP address of the specified PCE gives back PCC.
Wherein, it should be noted that the format of the entity identities mark is as shown in figure 5, entity identities mark can
Think The ENTITY-IDENTITY-ID TLV, the label switched path mark can be PLSP-ID, the specified PCE
IP address can be filled in the peer identification i.e. Speaker Entity Identifier of entity identities mark.
In the embodiment of the present invention, by constructing PCInitiate message, carries the PCInitiate message and be used for
Acquisition PCE gives back the information of the renewal authority of at least two LSP of PCC；The PCInitiate message is sent to the PCC；
In this way, it is possible to reduce the interacting message between PCE and PCC, so as to promote the effect that the renewal authority of LSP switches between PCE
Rate.
Referring to Fig. 8, the embodiment of the present invention provides a kind of device 800 of handoff label switched path renewal authority, comprising:
First receiving module 801, for receiving PCUpd message, the PCUpd message is carried path calculating client
The information that the renewal authority at least two LSP that PCC is created is given back；
Second receiving module 802, for receiving PCInitiate message；
Authorization module 803, the information for being carried according to the PCInitiate message, by least two LSP's
Renewal authority licenses to the PCE for sending the PCInitiate message.
Optionally, first receiving module 801, for receiving PCUpd message, the PCUpd message carries LSP pairs
As authorization mark is 0 in the LSP object, and label switched path is identified as 0, what the LSP object expression was created PCC
The renewal authority of at least two LSP is given back.
Optionally, as shown in figure 9, the authorization module 803, comprising:
First authorization submodule 8031, if for carrying LSP object and entity identities in the PCInitiate message
Mark, and the IP address of specified PCE is carried in entity identities mark, label switched path mark in the LSP object
It is 0, then the renewal authority of at least two LSP is licensed to the PCE for sending the PCInitiate message, described at least two more
New permission is the renewal authority that PCE corresponding with the IP address of the specified PCE gives back PCC；
Second authorization submodule 8032, if for carrying LSP object and entity identities in the PCInitiate message
Mark, and label switched path mark is not 0 in the LSP object, then will be corresponding with label switched path mark
The renewal authority of LSP licenses to the PCE for sending the PCInitiate message；
Submodule 8033 is created, if for carrying LSP object, and the LSP object in the PCInitiate message
Middle label switched path mark is not 0, does not carry entity identities mark, then creates one and label switched path mark pair
The LSP answered.
The device 500 of handoff label switched path renewal authority provided in an embodiment of the present invention may be implemented of the invention real
The step in example in the embodiment of the method for handoff label switched path renewal authority shown in Fig. 2 and 4 is applied, and reaches identical
Beneficial effect, details are not described herein.
Referring to Figure 10, the embodiment of the present invention also provides a kind of device 1000 of handoff label switched path renewal authority, packet
It includes:
First constructing module 1001 carries the PCUpd message and is created PCC for constructing PCUpd message
The information that the renewal authority of at least two LSP is given back；
First sending module 1002, for sending the PCUpd message to the PCC.
Optionally, first constructing module 1001 carries the PCUpd message for constructing PCUpd message
LSP object, it is 0 that authorization mark in the LSP object, which is arranged, and setting label switched path is identified as 0, and the LSP object indicates
The renewal authority of PCC at least two LSP created is given back.
The device 1000 of handoff label switched path renewal authority provided in an embodiment of the present invention may be implemented of the invention real
The step in example in the embodiment of the method for handoff label switched path renewal authority shown in fig. 6 is applied, and reach identical to have
Beneficial effect, details are not described herein.
Referring to Figure 11, the embodiment of the present invention also provides the device 1100 of another handoff label switched path renewal authority,
It is characterised by comprising:
Second constructing module 1101 carries the PCInitiate message useful for constructing PCInitiate message
The information of the renewal authority of at least two LSP of PCC is given back in acquisition PCE；
Second sending module 1102, for sending the PCInitiate message to the PCC.
Optionally, second constructing module 1101 makes the PCInitiate disappear for constructing PCInitiate message
Breath carries LSP object and entity identities mark, and the IP address of specified PCE, setting are carried in entity identities mark
Label switched path is identified as 0 in the LSP object, and the LSP object and entity identities mark are for obtaining at least two
The renewal authority of LSP, wherein at least two renewal authorities are that PCE corresponding with the IP address of the specified PCE gives back
The renewal authority of PCC.
The device 1100 of handoff label switched path renewal authority provided in an embodiment of the present invention may be implemented of the invention real
The step in example in the embodiment of the method for handoff label switched path renewal authority shown in Fig. 7 is applied, and reach identical to have
Beneficial effect, details are not described herein.
Figure 12 is please referred to, Figure 12 is the structure chart of the network element of application of the embodiment of the present invention, be can be realized shown in Fig. 2 and Fig. 4
The details of the method for handoff label switched path renewal authority in embodiment, and reach identical effect.As shown in figure 12, network
Side apparatus 1200 includes: processor 1201, transceiver 1202, memory 1203, user interface 1204 and bus interface, in which:
In embodiments of the present invention, network side equipment 1200 further include: be stored on memory 1203 and can be in processor
The computer program run on 1201 realizes following steps when computer program is by processor 1201, execution:
RX path calculates label switched path and updates request PCUpd message, and the PCUpd message, which carries, counts path
Calculate the information that the renewal authority for at least two strip label switching path LSP that client rs PC C is created is given back；
Receive PCInitiate message；
According to the information that the PCInitiate message carries, the renewal authority of at least two LSP is licensed into hair
Send the PCE of the PCInitiate message.
In Figure 12, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1201 generation of processor
The various circuits for the memory that one of table or multiple processors and memory 1203 represent link together.Bus architecture may be used also
To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all
It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1202 can
To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided
Member.For different user equipmenies, user interface 1204, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 1201, which is responsible for management bus architecture and common processing, memory 1203, can store processor 1201 and exists
Execute used data when operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 1201:
The reception PCUpd message, the PCUpd message, which carries, weighs the update of PCC at least two LSP created
The step of limiting the information given back, comprising:
PCUpd message is received, the PCUpd message carries LSP object, and authorization mark is 0 in the LSP object, mark
Label switching path is identified as 0, and the renewal authority of PCC at least two LSP created is given back in the LSP object expression.
Optionally, following steps be can also be achieved when computer program is executed by processor 1201:
The information carried according to the PCInitiate message, by the renewal authority authorization of at least two LSP
The step of to the PCE for sending the PCInitiate message, comprising:
If carrying LSP object and entity identities mark in the PCInitiate message, and the entity identities identify
In carry the IP address of specified PCE, label switched path is identified as 0 in the LSP object, then more by least two LSP
For new permission grant to the PCE for sending the PCInitiate message, at least two renewal authorities are with the specified PCE's
The corresponding PCE of IP address gives back the renewal authority of PCC；
If carrying LSP object and entity identities mark in the PCInitiate message, and label in the LSP object
Switching path mark is not 0, then licenses to the renewal authority of the LSP corresponding with label switched path mark and send institute
State the PCE of PCInitiate message；
If carrying LSP object in the PCInitiate message, and label switched path identifies not in the LSP object
It is 0, does not carry entity identities mark, then create a LSP corresponding with label switched path mark.
In the network side equipment of the embodiment of the present invention, paging message is sent to terminal, is referred to if existing in the paging message
When showing that the data of transmission send instruction, Xiang Suoshu terminal sends downlink data packet.It may be implemented sending paging message in this way
When, so that it may directly carry out downlink data packet transmission, without as the prior art after receiving the paging message
Downlink data packet can just be transmitted by establishing RRC connection, and then can reduce the time delay of transmission downlink data packet.
Figure 13 is please referred to, Figure 13 is the structure chart of the network element of application of the embodiment of the present invention, can be realized embodiment illustrated in fig. 6
The details of the method for middle handoff label switched path renewal authority, and reach identical effect.As shown in figure 13, network side equipment
1300 include: processor 1301, transceiver 1302, memory 1303, user interface 1304 and bus interface, in which:
In embodiments of the present invention, network side equipment 1300 further include: be stored on memory 1303 and can be in processor
The computer program run on 1301 realizes following steps when computer program is by processor 1301, execution:
PCUpd message is constructed, carries the PCUpd message by the renewal authority of PCC at least two LSP created
The information given back；
The PCUpd message is sent to the PCC.
In Figure 13, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1301 generation of processor
The various circuits for the memory that one of table or multiple processors and memory 1303 represent link together.Bus architecture may be used also
To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all
It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1302 can
To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided
Member.For different user equipmenies, user interface 1304, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 1301, which is responsible for management bus architecture and common processing, memory 1303, can store processor 1301 and exists
Execute used data when operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 1201:
The reception PCUpd message, the construction PCUpd message carry the PCUpd message and are created PCC
At least two LSP renewal authority give back information the step of, comprising:
PCUpd message is constructed, so that the PCUpd message is carried LSP object, authorization mark in the LSP object is set
It is 0, setting label switched path is identified as 0, and the LSP object is indicated the renewal authority of PCC at least two LSP created
It gives back.
In the network side equipment of the embodiment of the present invention, paging message is sent to terminal, is referred to if existing in the paging message
When showing that the data of transmission send instruction, Xiang Suoshu terminal sends downlink data packet.It may be implemented sending paging message in this way
When, so that it may directly carry out downlink data packet transmission, without as the prior art after receiving the paging message
Downlink data packet can just be transmitted by establishing RRC connection, and then can reduce the time delay of transmission downlink data packet.
Figure 14 is please referred to, Figure 14 is the structure chart of the network element of application of the embodiment of the present invention, can be realized embodiment illustrated in fig. 7
The details of the method for middle handoff label switched path renewal authority, and reach identical effect.As shown in figure 14, network side equipment
1400 include: processor 1401, transceiver 1402, memory 1403, user interface 1404 and bus interface, in which:
In embodiments of the present invention, network side equipment 1400 further include: be stored on memory 1403 and can be in processor
The computer program run on 1401 realizes following steps when computer program is by processor 1401, execution:
PCInitiate message is constructed, the PCInitiate message is carried and gives back PCC at least for obtaining PCE
The information of the renewal authority of two LSP；
The PCInitiate message is sent to the PCC.
In Figure 14, bus architecture may include the bus and bridge of any number of interconnection, specifically by 1401 generation of processor
The various circuits for the memory that one of table or multiple processors and memory 1403 represent link together.Bus architecture may be used also
To link together various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like, these are all
It is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 1402 can
To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided
Member.For different user equipmenies, user interface 1404, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 1401, which is responsible for management bus architecture and common processing, memory 1403, can store processor 1401 and exists
Execute used data when operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 1401:
The construction PCInitiate message carries the PCInitiate message and gives back PCC's for obtaining PCE
The step of information of the renewal authority of at least two LSP, comprising:
PCInitiate message is constructed, the PCInitiate message is made to carry LSP object and entity identities mark, and
The IP address that specified PCE is carried in the entity identities mark, is arranged label switched path in the LSP object and is identified as 0,
The LSP object and entity identities mark are for obtaining the renewal authority of at least two LSP, wherein described at least two
Renewal authority is the renewal authority that PCE corresponding with the IP address of the specified PCE gives back PCC.
In the network side equipment of the embodiment of the present invention, paging message is sent to terminal, is referred to if existing in the paging message
When showing that the data of transmission send instruction, Xiang Suoshu terminal sends downlink data packet.It may be implemented sending paging message in this way
When, so that it may directly carry out downlink data packet transmission, without as the prior art after receiving the paging message
Downlink data packet can just be transmitted by establishing RRC connection, and then can reduce the time delay of transmission downlink data packet.
The present embodiment also provides a kind of computer-readable medium, those of ordinary skill in the art will appreciate that realizing above-mentioned
The all or part of step of Fig. 2 and embodiment illustrated in fig. 4 method is that this can be accomplished by hardware associated with program instructions, institute
The program stated can store in a kind of computer-readable medium, and the program is when being executed, comprising the following steps:
RX path calculates label switched path and updates request PCUpd message, and the PCUpd message, which carries, counts path
Calculate the information that the renewal authority for at least two strip label switching path LSP that client rs PC C is created is given back；
Receive PCInitiate message；
According to the information that the PCInitiate message carries, the renewal authority of at least two LSP is licensed into hair
Send the PCE of the PCInitiate message.
Optionally, when being executed, the reception PCUpd message, the PCUpd message carries is created PCC to the program
The step of information that the renewal authority of at least two LSP built is given back, comprising:
PCUpd message is received, the PCUpd message carries LSP object, and authorization mark is 0 in the LSP object, mark
Label switching path is identified as 0, and the renewal authority of PCC at least two LSP created is given back in the LSP object expression.
Optionally, when being executed, the information carried according to the PCInitiate message will be described for the program
The renewal authority of at least two LSP licenses to the step of PCE for sending the PCInitiate message, comprising:
If carrying LSP object and entity identities mark in the PCInitiate message, and the entity identities identify
In carry the IP address of specified PCE, label switched path is identified as 0 in the LSP object, then more by least two LSP
For new permission grant to the PCE for sending the PCInitiate message, at least two renewal authorities are with the specified PCE's
The corresponding PCE of IP address gives back the renewal authority of PCC；
If carrying LSP object and entity identities mark in the PCInitiate message, and label in the LSP object
Switching path mark is not 0, then licenses to the renewal authority of the LSP corresponding with label switched path mark and send institute
State the PCE of PCInitiate message；
If carrying LSP object in the PCInitiate message, and label switched path identifies not in the LSP object
It is 0, does not carry entity identities mark, then create a LSP corresponding with label switched path mark.
The present embodiment also provides another computer-readable medium, those of ordinary skill in the art will appreciate that on realizing
The all or part of step for stating embodiment illustrated in fig. 6 method is that this can be accomplished by hardware associated with program instructions, described
Program can store in a kind of computer-readable medium, the program is when being executed, comprising the following steps:
PCUpd message is constructed, carries the PCUpd message by the renewal authority of PCC at least two LSP created
The information given back；
The PCUpd message is sent to the PCC.
Optionally, when being executed, the reception PCUpd message, the construction PCUpd message makes the PCUpd to the program
Message carries the step of information for giving back the renewal authority of PCC at least two LSP created, comprising:
PCUpd message is constructed, so that the PCUpd message is carried LSP object, authorization mark in the LSP object is set
It is 0, setting label switched path is identified as 0, and the LSP object is indicated the renewal authority of PCC at least two LSP created
It gives back.
The present embodiment also provides another computer-readable medium, those of ordinary skill in the art will appreciate that on realizing
The all or part of step for stating embodiment illustrated in fig. 7 method is that this can be accomplished by hardware associated with program instructions, described
Program can store in a kind of computer-readable medium, the program is when being executed, comprising the following steps:
PCInitiate message is constructed, the PCInitiate message is carried and gives back PCC at least for obtaining PCE
The information of the renewal authority of two LSP；
The PCInitiate message is sent to the PCC.
Optionally, when being executed, the construction PCInitiate message carries the PCInitiate message to the program
Have for obtain PCE give back PCC at least two LSP renewal authority information the step of, comprising:
PCInitiate message is constructed, the PCInitiate message is made to carry LSP object and entity identities mark, and
The IP address that specified PCE is carried in the entity identities mark, is arranged label switched path in the LSP object and is identified as 0,
The LSP object and entity identities mark are for obtaining the renewal authority of at least two LSP, wherein described at least two
Renewal authority is the renewal authority that PCE corresponding with the IP address of the specified PCE gives back PCC.
The storage medium, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory
(Random Access Memory, abbreviation RAM), magnetic or disk etc..
The above is example of the invention, it is noted that for those skilled in the art, not
Under the premise of being detached from principle of the present invention, it can also make several improvements and retouch, these improvements and modifications also should be regarded as this
The protection scope of invention.
Claims (16)
1. a kind of method of handoff label switched path renewal authority characterized by comprising
RX path calculates label switched path and updates request PCUpd message, and the PCUpd message is carried path computing visitor
The information that the renewal authority for at least two strip label switching path LSP that family end PCC is created is given back；
RX path calculates label switched path and creates PCInitiate message；
According to the information that the PCInitiate message carries, the renewal authority of at least two LSP is licensed to and sends institute
State the PCE of PCInitiate message.
2. the method according to claim 1, wherein receive PCUpd message, the PCUpd message carry by
The information that the renewal authority at least two LSP that PCC is created is given back, comprising:
PCUpd message is received, the PCUpd message carries LSP object, and authorization mark is 0 in the LSP object, and label is handed over
Changing ID of trace route path is 0, and the renewal authority of PCC at least two LSP created is given back in the LSP object expression.
3. according to the method described in claim 2, it is characterized in that, the letter carried according to the PCInitiate message
The renewal authority of at least two LSP, is licensed to the PCE for sending the PCInitiate message by breath, comprising:
If carrying LSP object and entity identities mark in the PCInitiate message, and taken in entity identities mark
IP address with specified PCE, label switched path is identified as 0 in the LSP object, then weighs the update of at least two LSP
Limit licenses to the PCE for sending the PCInitiate message, and at least two renewal authorities are with the IP of the specified PCE
The corresponding PCE in location gives back the renewal authority of PCC；
If carrying LSP object and entity identities mark in the PCInitiate message, and Tag switching in the LSP object
ID of trace route path is not 0, then licenses to the renewal authority of the LSP corresponding with label switched path mark described in transmission
The PCE of PCInitiate message；
If carrying LSP object in the PCInitiate message, and label switched path mark is not 0 in the LSP object,
Entity identities mark is not carried, then creates a LSP corresponding with label switched path mark.
4. a kind of method of handoff label switched path renewal authority characterized by comprising
PCUpd message is constructed, the PCUpd message is carried and gives back the renewal authority of PCC at least two LSP created
Information；
The PCUpd message is sent to the PCC.
5. according to the method described in claim 4, it is characterized in that, the construction PCUpd message, takes the PCUpd message
The information that renewal authority at least two LSP for being created PCC is given back, comprising:
PCUpd message is constructed, the PCUpd message is made to carry LSP object, it is 0 that authorization mark in the LSP object, which is arranged,
Setting label switched path is identified as 0, and the renewal authority of PCC at least two LSP created is returned in the LSP object expression
Also.
6. a kind of method of handoff label switched path renewal authority characterized by comprising
PCInitiate message is constructed, the PCInitiate message is made to carry at least two for giving back PCC for obtaining PCE
The information of the renewal authority of LSP；
The PCInitiate message is sent to the PCC.
7. according to the method described in claim 6, it is characterized in that, the construction PCInitiate message, makes described
PCInitiate message carry for obtain PCE give back PCC at least two LSP renewal authority information, comprising:
PCInitiate message is constructed, so that the PCInitiate message is carried LSP object and entity identities mark, and described
The IP address of specified PCE is carried in entity identities mark, label switched path in the LSP object is set and is identified as 0, it is described
LSP object and entity identities mark are for obtaining the renewal authority of at least two LSP, wherein at least two updates
Permission is the renewal authority that PCE corresponding with the IP address of the specified PCE gives back PCC.
8. a kind of device of handoff label switched path renewal authority characterized by comprising
First receiving module, for receiving PCUpd message, the PCUpd message, which carries, is created path calculating client PCC
The information that the renewal authority of at least two LSP built is given back；
Second receiving module, for receiving PCInitiate message；
Authorization module, the information for being carried according to the PCInitiate message, by the renewal authority of at least two LSP
License to the PCE for sending the PCInitiate message.
9. device according to claim 8, which is characterized in that first receiving module, for receiving PCUpd message,
The PCUpd message carries LSP object, and authorization mark is 0 in the LSP object, and label switched path is identified as 0, described
The renewal authority of PCC at least two LSP created is given back in the expression of LSP object.
10. device according to claim 9, which is characterized in that the authorization module, comprising:
First authorization submodule, if for carrying LSP object and entity identities mark, and institute in the PCInitiate message
It states and carries the IP address of specified PCE in entity identities mark, label switched path is identified as 0 in the LSP object, then near
The renewal authority of few two LSP licenses to the PCE for sending the PCInitiate message, at least two renewal authorities for
The corresponding PCE of IP address of the specified PCE gives back the renewal authority of PCC；
Second authorization submodule, if for carrying LSP object and entity identities mark, and institute in the PCInitiate message
Stating label switched path mark in LSP object is not 0, then by the update of the LSP corresponding with label switched path mark
Permission grant is to the PCE for sending the PCInitiate message；
Submodule is created, if label is handed over for carrying LSP object in the PCInitiate message, and in the LSP object
Changing ID of trace route path is not 0, does not carry entity identities mark, then creates a LSP corresponding with label switched path mark.
11. a kind of device of handoff label switched path renewal authority characterized by comprising
First constructing module makes the PCUpd message carry at least two for being created PCC for constructing PCUpd message
The information that the renewal authority of LSP is given back；
First sending module, for sending the PCUpd message to the PCC.
12. device according to claim 11, which is characterized in that first constructing module disappears for constructing PCUpd
Breath, makes the PCUpd message carry LSP object, and it is 0 that authorization mark in the LSP object, which is arranged, and label switched path is arranged
It is identified as 0, the renewal authority of PCC at least two LSP created is given back in the LSP object expression.
13. a kind of device of handoff label switched path renewal authority characterized by comprising
Second constructing module carries the PCInitiate message for obtaining PCE for constructing PCInitiate message
Give back the information of the renewal authority of at least two LSP of PCC；
Second sending module, for sending the PCInitiate message to the PCC.
14. device according to claim 13, which is characterized in that second constructing module, for constructing
PCInitiate message makes the PCInitiate message carry LSP object and entity identities mark, and the entity identities
The IP address that specified PCE is carried in mark is arranged label switched path in the LSP object and is identified as 0, the LSP object
With entity identities mark for obtaining the renewal authority of at least two LSP, wherein at least two renewal authorities for
The corresponding PCE of IP address of the specified PCE gives back the renewal authority of PCC.
15. a kind of network element, including memory, processor and it is stored on the memory and can runs on the processor
Computer program, which is characterized in that realize when the processor executes described program and cut as claim 1-7 is described in any item
The method for changing label switched path renewal authority.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in the method such as the described in any item handoff label switched path renewal authorities of claim 1-7 is realized when execution.
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