CN101355811B - Method, system and equipment for rebuilding bearing channel - Google Patents
Method, system and equipment for rebuilding bearing channel Download PDFInfo
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- CN101355811B CN101355811B CN2008102121414A CN200810212141A CN101355811B CN 101355811 B CN101355811 B CN 101355811B CN 2008102121414 A CN2008102121414 A CN 2008102121414A CN 200810212141 A CN200810212141 A CN 200810212141A CN 101355811 B CN101355811 B CN 101355811B
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Abstract
The present invention discloses a method, a system and a device for reconstructing a bearer channel. The method comprises the following steps of: determining whether the current bearing constructed by first bearing means meets the service requirements; dispatching a policy for canceling the current bearing constructed by the first bearing means to reconstruct the bearing by second bearing means, when the current bearing construction means can not meet the service requirements. By using the method, the fact that the bearing meets the service requirements or not is determined in advance, and the bearing is reconstructed when the bearing can not meet the requirements. The instance that in the prior art, the fact that the bearing can not meet the requirements is found after the signaling negotiation is succeeded is avoided, thereby improving the user experience in a conversation and saving the system resources.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method of rebuilding bearing channel, system and equipment.
Background technology
Along with the continuous development of the communication technology, various new wireless access wide band technologies continue to bring out, and the 3G system has been formed challenge.Consider 3GPP (The 3rd Generation Partnership Project; Third generation gpp) LTE of access technology (Long Term Evolution; The lasting evolution optimization of the ability of 3GPP system enhancing Long Term Evolution),, 3GPP system and the performance of 3GPP system improve; 3GPP has proposed SAE (3GPP System Architecture Evolution, System Architecture Evolution) project.
The network configuration of SAE comprises: MME (Mobility Management Entity; Mobility Management Entity), SGW (Serving Gateway; Gateway) and PDN-GW (Public Data NetworkGateway; The public data network gateway), PCRF (Policy and Charging Rules Function, "Policy and Charging Rules Function entity) etc.
SAE supports user's roaming, when the user, selects the user's data route is returned possession (Home Routed) according to user's CAMEL-Subscription-Information when roaming into another one PLMN from a PLMN (Public Land Mobile Network, public land mobile net); Or user data is carried out this locality export (Local Breakout) in the roaming place.The main distinction of Home Routed and Local Breakout is the selection of PDN-GW.All media datas of user all are connected to external network through PDN-GW, and when using the HomeRouted form, all media datas at first need route to return and belong to network; When using the LocalBreakout form, user's media data can be saved Internet resources directly from exporting to external network with visiting.
IMS (IP Multimedia Subsystem; IP Multimedia System) be that 3GPP is at PS (PacketSwitched; Packet switching) subsystem that superposes on the territory; Adopt the bearer path of IP packet domain, introduce SIP (Session Initial Protocol, conversation initialized protocol) as professional control protocol as its control signaling and media delivery.IMS possesses complete IP kernel heart net function, comprises session management, carries control etc.Its main functional entity has CSCF (Call Session Control Function, CSCF), HSS (Home Subscriber Server, home subscriber server), AS (Access Server, access server) etc.
Generally, when the user roamed, user's control signaling all needed route recurrence genus network to handle with the carrying data.Along with the continuous development of business, increasing medium need transmit between belonging area network and roaming place network, cause waste of bandwidth between network, and are unfavorable for the optimal transmission of medium.Based on above reason, the method that has proposed IMS Local Breakout in the prior art solves above problem.
IMS Local Breakout allows user's carrying data to export in the roaming place.Whether certain IMS session of user can be made a strategic decision by belonging area network by Local Breakout, and the main foundation of decision-making is whether the IMS business that comprises in this IMS session allows Local Breakout.
The method for building up of prior art Bearer Channel is as shown in Figure 1, comprising:
Step 102, P-CSCF send to S-CSCF (Serving CSCF, serving CSCF) with this Invite request.
Step 103, S-CSCF send to the opposite end with this message.
200OK message is returned in step 104～106, opposite end; After the step 106, the medium type that communicating pair is supported, number negotiation of both sides' IP address port finishes, and the signaling aspect consults to finish, and prepares the connection of setting up the carrying aspect.
Step 107, P-CSCF send to H-PCRF (Home PCRF, ownership place PCRF) with session information, are used to set up dedicated bearer, and this carrying is used for media stream.
Step 108, H-PCRF make a strategic decision to session information, find that the level of security of this IMS service needed is higher, do not allow need the Media Stream route be returned the possession network through the local gateway outlet, and promptly current carrying can not be satisfied the professional demand of IMS.
Step 109, H-PCRF return refuse information to P-CSCF.
Step 110, P-CSCF send to the user according to refuse information hangs up message, finishes this session.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
In the prior art, the IMS session has been consulted under the case of successful in the signaling aspect, also possibly hang up connection owing to carrying not meet the demands, and causes the wasting of resources.
Summary of the invention
The embodiment of the invention provides a kind of method, system and equipment of rebuilding bearing channel, is used for selecting suitable carrying to improve session user's experience, conserve system resources.
The embodiment of the invention provides a kind of method of rebuilding bearing channel, comprising:
Judge whether current carrying of setting up with first bearing mode satisfies business need;
When current carrying is set up mode and can not be satisfied business need; Send the strategy of the current carrying of setting up with first bearing mode of deletion; Rebuild to carry with second bearing mode, specifically comprise: the strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding public data network gateway PDN-GW of said first bearing mode; The corresponding PDN-GW of said first bearing mode is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of the S-GW in the trigger network, Mobility Management Entity MME and user terminal deletion with first bearing mode; Said user terminal sends the request of carrying of setting up to said MME; Said MME selects the PDN-GW corresponding with second bearing mode according to said carrying request, and rebuilds carrying through the S-GW PDN-GW corresponding with said second bearing mode with second bearing mode; Or,
The strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding public data network gateway PDN-GW of said first bearing mode; Also comprise in the said strategy with second bearing mode and set up the indication of carrying; The corresponding PDN-GW of said first bearing mode is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of S-GW in the trigger network and MME deletion with first bearing mode; Also comprise in the said deleting bearing request with second bearing mode and set up the indication of carrying; Said MME sets up the indication of carrying according to said with second bearing mode, selects the PDN-GW corresponding with second bearing mode to send and sets up the request of carrying, rebuilds with second bearing mode and carries; Said MME upgrades the beared information of user terminal according to the carrying of rebuilding with second bearing mode.
The embodiment of the invention also provides a kind of network equipment that is used for rebuilding bearing channel, comprising:
Judging unit; Be used to judge whether current carrying of setting up with first bearing mode satisfies business need; Specifically be used for: when receiving session information; Carry in employed first bearing mode one or more according to the type of service of user signing contract information, said session and current foundation, judge whether current carrying of setting up with first bearing mode satisfies business need;
Bearer reconstruction is initiated the unit; Be used for when the current carrying of said judgment unit judges is set up mode and can not be satisfied business need; Send the strategy of the current carrying of setting up with first bearing mode of deletion; Rebuild carrying with second bearing mode; Specifically comprise: the first bearer reconstruction subelement, the strategy that is used to send the current carrying of setting up with first bearing mode of deletion makes the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up with first bearing mode of deletion to the corresponding PDN-GW of said first bearing mode; And trigger user terminal and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry; Or,
The second bearer reconstruction subelement, the strategy that is used to send the current carrying of setting up with first bearing mode of deletion is to the corresponding PDN-GW of said first bearing mode; Also comprise in the said strategy with second bearing mode and set up the indication of carrying, make the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up of deletion with first bearing mode; And trigger MME and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry.
The embodiment of the invention also provides a kind of system that is used for rebuilding bearing channel, comprising:
"Policy and Charging Rules Function entity PCRF; Be used to judge when current carrying is set up mode and can not be satisfied business need; The strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding PDN-GW of said first bearing mode, rebuilds with second bearing mode and carries;
Public data network gateway PDN-GW; The strategy of the current carrying of setting up with first bearing mode of the deletion that is used for sending according to said PCRF; Send the deleting bearing request and delete current carrying of setting up with first bearing mode; Specifically comprise: said PDN-GW is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of the S-GW in the trigger network, Mobility Management Entity MME and user terminal deletion with first bearing mode; Or,
Said PDN-GW sends the deleting bearing request to gateway S-GW, the said carrying of setting up with first bearing mode of S-GW in the trigger network and MME deletion according to the strategy of the current carrying of setting up with first bearing mode of said deletion.
Compared with prior art, the embodiment of the invention has the following advantages:
The embodiment of the application of the invention; In advance whether carrying being satisfied business need judges; And reconstruction is carried in the time can not meeting the demands; Avoided in the prior art just finding to carry the situation that can not meet the demands after consulting successfully, thereby improved user's experience in the session, practiced thrift system resource because of signaling.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method for building up flow chart of a kind of Bearer Channel of prior art;
Fig. 2 is the method flow diagram of a kind of rebuilding bearing channel of the embodiment of the invention;
Fig. 3 is the flow chart of the bearer reconstruction that UE initiates in another embodiment of the present invention;
Fig. 4 is the flow chart of the bearer reconstruction that MME initiates in another embodiment of the present invention;
Fig. 5 is the structural representation that is used for the network equipment of rebuilding bearing channel in the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiments of the invention provide a kind of method of rebuilding bearing channel, and are as shown in Figure 3, may further comprise the steps:
Step 201, judge whether current carrying of setting up with first bearing mode satisfies business need.
Concrete; Judge when whether current carrying of setting up with first bearing mode satisfies business demand; Can judge according to the type of service (mainly being to consider whether this kind IMS business allows Local Breakout) and the mode of the setting up contents such as (carryings Local Breakout form or Home Routed form) of current carrying (Bearer) of user signing contract information (like the requirement of the fail safe of needs, the requirement of service quality QoS etc.), request.
When step 202, current carrying are set up mode and can not be satisfied business need, send the strategy of the current carrying of setting up with first bearing mode of deletion, rebuild with second bearing mode and carry.
Concrete; In the embodiments of the invention; When the current carrying of setting up with first bearing mode of making a strategic decision out can not be satisfied business demand, then send the strategy indication of the current carrying of deletion, other network elements in the network are set up the new bearer of setting up with second bearing mode according to this strategy.
The embodiment of the application of the invention; In advance whether carrying being satisfied business need judges; And in the time can not meeting the demands, rebuild to carry, avoided in the prior art because of signaling consults successfully after the just discovery carrying user experience variation and the wasting of resources that can not meet the demands and cause.
The embodiment of the invention also provides a kind of method of rebuilding bearing channel; PCRF receives session information; Make a strategic decision according to the type of service of user signing contract information, request and the contents such as the mode of setting up of current carrying (like the carrying of Local Breakout form); Whether the current carrying (like the carrying of Local Breakout form) of making a strategic decision can satisfy business demand, if can satisfy, PCRF sets up the dedicated bearer that is used for transmission medium according to the information of session negotiation; If can not satisfy, PCRF sends the current carrying of deletion and sets up the another kind of policy information that carries (like the carrying of Home Routed form).Gateway device is received the deletion of the current carrying of beginning (like the carrying of Local Breakout form) behind this policy information, will set up another kind of carrying (like the carrying of Home Routed form) indication information simultaneously and send to UE; After UE receives this information, set up the default bearing request to the MME transmission, in request message, contain and set up the another kind of indication information that carries (like the carrying of Home Routed form), MME selects gateway device to connect according to this indication information.
Concrete, as shown in Figure 3, the dotted line left side is the network element that is positioned at access zone network among the figure, the right side be the network element that is positioned at belonging area network.Suppose that the user has the Default Bearer (default bearing) of Local Breakout form, promptly select PDN-GW in the roaming place, Default Bearer is used to transmit IMS signaling (being sip message).Bearer reconstruction flow process under this network scenarios comprises::
Step 301, UE-A sends conversation request message to the opposite end, comprises the IMS type of service of request in this request message, arrives the P-CSCF of opposite end.
Step 302, the conversation request message that P-CSCF will comprise the IMS type of service of request sends to H-PCRF (Home PCRF, ownership place PCRF).
Step 304; H-PCRF is to V-PCRF (Visited PCRF; Visit ground PCRF) sends the strategy (Policy Provision:Delete Bearer) of the current carrying of deletion; Optional, can also comprise the indication information (Create Home Routed DefaultBearer) of the carrying of setting up Home Routed form in this strategy.
Step 305, V-PCRF will send to vPDN-GW from the strategy that H-PCRF receives.
Step 306, vPDN-GW sends deleting bearing request message (Delete Bearer Request) according to the strategy that receives to S-GW; Optional, contain in the request message and set up the indication information (Create Home Routed Default Bearer) that Home Routed form is carried.
Step 307, S-GW sends to MME with deleting bearing request (Delete Bearer Request); Optional, contain in the request message and set up the indication information (Create HomeRouted Default Bearer) that Home Routed form is carried.
Step 308, MME sends to UE-A (Delete Bearer Request) with the deleting bearing request; Optional, contain in the request message and set up the indication information (Create HomeRouted Default Bearer) that Home Routed form is carried.
Step 309, UE-A returns deleting bearing response message (Delete BearerResponse) to MME.
Step 310, MME returns deleting bearing response message (Delete BearerResponse) to S-GW.
Step 311, S-GW returns deleting bearing response message (Delete Bearer Response) to vPDN-GW.
Step 312, vPDN-GW returns acknowledge message (PCC Provision ACK) to V-PCRF.
Step 313, V-PCRF returns acknowledge message (PCC Provision ACK) to H-PCRF.
Step 314, UE-A sends the default bearing request (Create Default BearerRequest) of setting up to MME; Optional, in request message, comprise and set up the indication information (Home Routed Identifier) that Home Routed form is carried.
Step 315, if contain in the request message when setting up Home Routed form carrying indication, MME selects hPDN-GW according to indication information, and initiates to set up the default bearing request to S-GW; Do not set up Home Routed form carrying indication information if do not contain; MME sets up with the different carrying of carrying of deletion and sets up mode, for example according to deletion and the precedence relationship of setting up; It is the carrying of Local Breakout form before; This carries by after the deletion, when the user initiates to carry the request of foundation, the carrying that Home Routed form is set up in the MME selection again in the certain hour interval.
Step 316, S-GW sends the default bearing request of setting up to hPDN-GW.
Step 317, the strategy (PCC Request) that hPDN-GW sets up to H-PCRF request default bearing.
Step 318, H-PCRF returns the strategy (PCCResponse) that default bearing is set up to hPDN-GW.
Step 319, hPDN-GW returns to S-GW and creates default bearing response message (Create BearerResponse), and distributes new IP address to UE-A.
Step 320, S-GW returns to MME and creates default bearing response message (Create BearerResponse).
Step 321, MME returns to UE-A and creates default bearing response message (Create BearerResponse).
Step 322, UE-A carries it of change information, IP address change information notice IMS network and remote subscriber.UE-A with end subscriber is set up corresponding medium and is connected.
The only for example clear transfer process of the embodiment of the invention from Local Breakout to Home Routed form; Conversion and this embodiment from Home Routed to Local Breakout are similar; Also be to remove existing the carrying, set up the process of new bearer, be not repeated in this description at this.
Embodiments of the invention also provide a kind of method of rebuilding bearing channel; PCRF receives session information; Make a strategic decision according to the type of service of user signing contract information, request and the mode of setting up of current carrying contents such as (like the carryings of LocalBreakout form); Whether the current carrying (like the carrying of Local Breakout form) of making a strategic decision can satisfy business demand, if can satisfy, PCRF sets up the dedicated bearer that is used for transmission medium according to the information of session negotiation; If can not satisfy, H-PCRF sends the current carrying of deletion and sets up the policy information of the carrying (like the carrying of Home Routed form) of another kind of form.Gateway device is received the deletion work of the current carrying of beginning (like the carrying of Local Breakout form) behind this policy information, and the indication information that will set up the carrying (like the carrying of Home Routed form) of another kind of form simultaneously continues to send; MME is not handed down to instruction to UE after receiving this information; Gateway device returns the deleting bearing acknowledge message; MME selects gateway device to set up the connection of the carrying (like the carrying of HomeRouted form) of another kind of form according to this indication information simultaneously; After connection was set up successfully, MME upgraded the situation and the user's IP address information of the current carrying of UE.
Concrete, as shown in Figure 4, the dotted line left side is the network element that is positioned at access zone network among the figure, the right side be the network element that is positioned at belonging area network.Suppose that the user has the Default Bearer of Local Breakout form, promptly select PDN-GW in the roaming place, this Default Bearer is used to transmit IMS signaling (being sip message).Bearer reconstruction flow process under this network scenarios comprises:
Step 401, the IMS session negotiation is carried out in UE-A and opposite end.
Step 402, the conversation request message that P-CSCF will comprise the IMS type of service of request sends to H-PCRF.
Step 403, H-PCRF carries out strategic decision-making, and the situation that service request from user information that provides according to P-CSCF and current bottom carry is judged, judges whether current carrying can satisfy service request.The foundation of judging mainly is: whether the IMS business of user's request has the CAMEL-Subscription-Information of Local Breakout, and whether the carrying of current Local Breakout form can satisfy the QoS, security requirement of this service needed etc.If can satisfy; H-PCRF sets up the dedicated bearer of transmission medium according to session information, can not satisfy the IMS business demand if mode is set up in current carrying, and H-PCRF judges whether the carrying of setting up Home Routed form can satisfy the demands; If can; Get into step 404, if cannot, connect and interrupt.
Step 404; H-PCRF sends strategy to V-PCRF, comprises in the strategy: the indication information (PCC Provision:Delete Bearer and Create Home Routed Default Bearer) of deleting current carrying and setting up the carrying of Home Routed form.
Step 405, V-PCRF will send to vPDN-GW from the strategy that H-PCRF receives.
Step 406, vPDN-GW sends the deleting bearing request message according to the strategy of receiving to S-GW, contains in the request message to set up the indication information that Home Routed form is carried.
Step 407, S-GW sends to MME with the deleting bearing request message, in request message, contains to set up the indication information that Home Routed form is carried.
Step 408, MME is known to need to rebuild and is carried according to setting up the indication information that Home Routed form is carried, finishes the deleting bearing request message, and return deleting bearing response message (DeleteBearer Response) to S-GW.
Step 409, S-GW returns deleting bearing response message (Delete BearerResponse) to vPDN-GW.
Step 410, vPDN-GW returns deleting bearing response message (Delete BearerResponse) to V-PCRF.
Step 411, V-PCRF returns acknowledge message (PCC Provision ACK) to H-PCRF.
Step 412, MME carries indication information according to the Home Routed form of setting up in the step 406 initiates to set up default bearing request (Create Default Bearer Request).
Step 413, S-GW sends the default bearing request (Create Default BearerRequest) of setting up to hPDN-GW.
Step 414, the strategy (Request Policyand Charging Rules) that hPDN-GW sets up to H-PCRF request default bearing.
Step 415, H-PCRF returns the strategy (Policy andCharging Rules Provision) that default bearing is set up to hPDN-GW.
Step 416, hPDN-GW returns to S-GW and creates default bearing response message (Create DefaultBearer Response), and distributes new IP address to UE-A.
Step 417, S-GW returns to MME and creates default bearing response message (Create Default BearerResponse).
Step 418, MME sends bearing modification request (Bearer Modify Request) to UE-A, and purpose is to revise the beared information of the access side of UE-A according to the Bearer information of newly-established network side, upgrades the IP address of UE-A simultaneously.
Step 419, UE-A returns and revises acknowledge message (Bearer Modify Response).
Step 420, UE-A carries it of change information, IP address change information notice IMS network and remote subscriber, UE-A with end subscriber is set up corresponding medium and is connected.
The only for example clear transfer process from Local Breakout to Home Routed form of the embodiment of the invention, conversion and this embodiment from Home Routed to Local Breakout are similar, also are to remove existing the carrying, set up the process of new bearer.
The method that the application of the invention embodiment provides; In advance whether carrying being satisfied business need judges; And in the time can not meeting the demands, carry out bearer reconstruction through different modes, avoided in the prior art just finding to carry the user experience variation and the wasting of resources that can not meet the demands and cause after consulting successfully because of signaling.
Embodiments of the invention also provide a kind of system that is used for rebuilding bearing channel, comprising:
"Policy and Charging Rules Function entity PCRF10; Be used to judge when current carrying is set up mode and can not be satisfied business need; The strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding PDN-GW of said first bearing mode, triggers to rebuild with second bearing mode to carry;
Public data network gateway PDN-GW20, the strategy of the current carrying of setting up with first bearing mode of the deletion that is used for sending according to said PCRF10 sends the deleting bearing request and also deletes current carrying of setting up with first bearing mode.
This system can also comprise:
User terminal 30 is used for sending the request of carrying of setting up according to after the current carrying with the foundation of first bearing mode of deleting bearing request deletion that receives to Mobility Management Entity MME40, carries with the reconstruction of second bearing mode.
Mobility Management Entity MME40 is used for sending the request of carrying of setting up according to after the current carrying with the foundation of first bearing mode of deleting bearing request deletion that receives, and carries with the reconstruction of second bearing mode; And, upgrade the beared information of user terminal 30 according to the carrying of rebuilding with second bearing mode.
In the embodiments of the invention, a kind of network equipment that is used for rebuilding bearing channel is provided, as shown in Figure 5, it can be "Policy and Charging Rules Function entity PCRF, comprising:
Judging unit 11 is used to judge whether current carrying of setting up with first bearing mode satisfies business need.This judging unit 11 specifically is used for: when receiving session information; Carry in employed first bearing mode one or more according to the type of service of user signing contract information, said session and current foundation, judge whether current carrying of setting up with first bearing mode satisfies business need.
Bearer reconstruction is initiated unit 12, is used for when judging unit 11 judges that current carrying is set up mode and can not be satisfied business need, sends the strategy of the current carrying of setting up with first bearing mode of deletion, rebuilds carrying with second bearing mode.
This bearer reconstruction is initiated unit 12 and can specifically be comprised:
The first bearer reconstruction subelement 121; The strategy that is used to send the current carrying of setting up with first bearing mode of deletion makes the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up with first bearing mode of deletion to the corresponding PDN-GW of said first bearing mode; And trigger user terminal and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry; Or
The second bearer reconstruction subelement 122, the strategy that is used to send the current carrying of setting up with first bearing mode of deletion also comprises in the said strategy with second bearing mode and sets up the indication of carrying to the corresponding PDN-GW of said first bearing mode; Make the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up of deletion with first bearing mode; And trigger MME and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry.
System that the application of the invention embodiment provides and equipment; In advance whether carrying being satisfied business need judges; And in the time can not meeting the demands, carry out bearer reconstruction through different modes, avoided in the prior art just finding to carry the user experience variation and the wasting of resources that can not meet the demands and cause after consulting successfully because of signaling.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize through hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding; Technical scheme of the present invention can be come out with the embodied of software product, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk; Portable hard drive etc.) in; Comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the sketch map of a preferred embodiment, module in the accompanying drawing or flow process might not be that embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (7)
1. the method for a rebuilding bearing channel is characterized in that, comprising:
Judge whether current carrying of setting up with first bearing mode satisfies business need;
When current carrying is set up mode and can not be satisfied business need; The strategy that sends the current carrying of setting up with first bearing mode of deletion is rebuild with second bearing mode and carried, and specifically comprises: the strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding public data network gateway PDN-GW of said first bearing mode; The corresponding PDN-GW of said first bearing mode is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of the S-GW in the trigger network, Mobility Management Entity MME and user terminal deletion with first bearing mode; Said user terminal sends the request of carrying of setting up to said MME; Said MME selects the PDN-GW corresponding with second bearing mode according to said carrying request, and rebuilds carrying through the S-GW PDN-GW corresponding with said second bearing mode with second bearing mode; Or,
The strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding public data network gateway PDN-GW of said first bearing mode; Also comprise in the said strategy with second bearing mode and set up the indication of carrying; The corresponding PDN-GW of said first bearing mode is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of S-GW in the trigger network and MME deletion with first bearing mode; Also comprise in the said deleting bearing request with second bearing mode and set up the indication of carrying; Said MME sets up the indication of carrying according to said with second bearing mode, selects the PDN-GW corresponding with second bearing mode to send and sets up the request of carrying, rebuilds with second bearing mode and carries; Said MME upgrades the beared information of user terminal according to the carrying of rebuilding with second bearing mode.
2. the method for claim 1 is characterized in that, saidly judges whether current carrying of setting up with first bearing mode is satisfied business need and comprised:
When receiving session information, carry in employed first bearing mode one or more, judge whether current carrying of setting up with first bearing mode satisfies business need according to the type of service of user signing contract information, said session and current foundation.
3. the method for claim 1 is characterized in that,
Strategy, said deleting bearing request and the said foundation of the current carrying of setting up with first bearing mode of said deletion are carried in the request, also comprise with second bearing mode and set up the indication of carrying;
Said MME selects the PDN-GW corresponding with second bearing mode to comprise according to said carrying request: said MME sets up the indication of carrying according to said with second bearing mode, selects the PDN-GW corresponding with second bearing mode.
4. the method for claim 1 is characterized in that, said MME selects the PDN-GW corresponding with second bearing mode to comprise according to said carrying request:
Said MME selects second bearing mode different with said first bearing mode according to current carrying of setting up with first bearing mode, and selection and the corresponding PDN-GW of said second bearing mode.
5. like each described method in the claim 1 to 4, it is characterized in that,
Said first bearing mode is that route returns possession Home Routed mode, and said second bearing mode is for exporting Local Breakout mode in the roaming place; Or
Said first bearing mode is a Local Breakout mode, and said second bearing mode is a Home Routed mode.
6. a network equipment that is used for rebuilding bearing channel is characterized in that, comprising:
Judging unit; Be used to judge whether current carrying of setting up with first bearing mode satisfies business need; Specifically be used for: when receiving session information; Carry in employed first bearing mode one or more according to the type of service of user signing contract information, said session and current foundation, judge whether current carrying of setting up with first bearing mode satisfies business need;
Bearer reconstruction is initiated the unit; Be used for when the current carrying of said judgment unit judges is set up mode and can not be satisfied business need; Send the strategy of the current carrying of setting up with first bearing mode of deletion; Rebuild carrying with second bearing mode; Specifically comprise: the first bearer reconstruction subelement, the strategy that is used to send the current carrying of setting up with first bearing mode of deletion makes the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up with first bearing mode of deletion to the corresponding PDN-GW of said first bearing mode; And trigger user terminal and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry; Or,
The second bearer reconstruction subelement, the strategy that is used to send the current carrying of setting up with first bearing mode of deletion is to the corresponding PDN-GW of said first bearing mode; Also comprise in the said strategy with second bearing mode and set up the indication of carrying, make the corresponding PDN-GW of said first bearing mode initiate the current carrying of setting up of deletion with first bearing mode; And trigger MME and initiate to rebuild the request of carrying, rebuild with second bearing mode and carry.
7. a system that is used for rebuilding bearing channel is characterized in that, comprising:
"Policy and Charging Rules Function entity PCRF; Be used to judge when current carrying is set up mode and can not be satisfied business need; The strategy that sends the current carrying of setting up with first bearing mode of deletion is to the corresponding PDN-GW of said first bearing mode, rebuilds with second bearing mode and carries;
Public data network gateway PDN-GW; The strategy of the current carrying of setting up with first bearing mode of the deletion that is used for sending according to said PCRF; Send the deleting bearing request and delete current carrying of setting up with first bearing mode; Specifically comprise: said PDN-GW is according to the strategy of the current carrying of setting up with first bearing mode of said deletion; Send the deleting bearing request to gateway S-GW, the said carrying of setting up of the S-GW in the trigger network, Mobility Management Entity MME and user terminal deletion with first bearing mode; Or, also comprise in the said strategy with second bearing mode and set up the indication of carrying; Said PDN-GW sends the deleting bearing request to gateway S-GW, the said carrying of setting up with first bearing mode of S-GW in the trigger network and MME deletion according to the strategy of the current carrying of setting up with first bearing mode of said deletion;
User terminal is used for sending the request of carrying of setting up according to after the current carrying with the foundation of first bearing mode of deleting bearing request deletion that receives to Mobility Management Entity MME, carries with the reconstruction of second bearing mode;
Mobility Management Entity MME is used for sending the request of carrying of setting up according to after the current carrying with the foundation of first bearing mode of deleting bearing request deletion that receives, and carries with the reconstruction of second bearing mode; Or; Be used for when said deleting bearing request also comprises the indication of carrying with the foundation of second bearing mode; Set up the indication of carrying according to said with second bearing mode, select the PDN-GW corresponding to send and set up the request of carrying, rebuild with second bearing mode and carry with second bearing mode; According to the carrying of rebuilding, upgrade the beared information of user terminal with second bearing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102121414A CN101355811B (en) | 2008-09-08 | 2008-09-08 | Method, system and equipment for rebuilding bearing channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102121414A CN101355811B (en) | 2008-09-08 | 2008-09-08 | Method, system and equipment for rebuilding bearing channel |
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| Publication Number | Publication Date |
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| CN101355811A CN101355811A (en) | 2009-01-28 |
| CN101355811B true CN101355811B (en) | 2012-04-25 |
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| CN2008102121414A Expired - Fee Related CN101355811B (en) | 2008-09-08 | 2008-09-08 | Method, system and equipment for rebuilding bearing channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102595472B (en) * | 2012-02-02 | 2015-06-17 | 大唐移动通信设备有限公司 | Method and device for monitoring quality of service |
| CN103874240B (en) * | 2012-12-11 | 2018-09-11 | 中兴通讯股份有限公司 | A kind of signaling initiating method, device and gateway device |
| CN110050436B (en) * | 2017-03-27 | 2021-03-02 | 华为技术有限公司 | Data transmission method, user equipment and control plane node |
| WO2018201506A1 (en) | 2017-05-05 | 2018-11-08 | 华为技术有限公司 | Communication method and related device |
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| CN101087248A (en) * | 2006-06-23 | 2007-12-12 | 中兴通讯股份有限公司 | Method for originating carrier establishment based on network side of session service |
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