CN101753322B - Method, system and device for confirming whether packet data network connection is established or not - Google Patents
Method, system and device for confirming whether packet data network connection is established or not Download PDFInfo
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- CN101753322B CN101753322B CN2008102276044A CN200810227604A CN101753322B CN 101753322 B CN101753322 B CN 101753322B CN 2008102276044 A CN2008102276044 A CN 2008102276044A CN 200810227604 A CN200810227604 A CN 200810227604A CN 101753322 B CN101753322 B CN 101753322B
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Abstract
The invention relates to a network communication technique, in particular to a method, a system and a device for confirming whether packet data network connection is established or not for solving the problem that in the establishing process of an IP-CAN session, a policy and charging rule function PCRF entity cannot know whether the IP-CAN session is established successfully or not in time, thus delaying the time of sending data by an application function AF entity and reducing the transmission efficiency of the whole system and the resource utilization ratio of the prior art. The method of the embodiment comprises the following steps: according to received IP-CAN session establishment from a PCEF entity, the PCRF entity requires an authorized message, confirms a PCC rule message and sends to the PCEF entity; and according to the received IP-CAN session establishment from the PCEF entity, the PCRF entity confirms relevant information of the PCC rules in the message and confirms whether the IP-CAN session is established successfully or not. By adopting the method of the embodiment, the transmission efficiency of the whole system and the resource utilization ratio can be increased.
Description
Technical field
The present invention relates to the network communications technology, particularly a kind of definite packet data network connects the mthods, systems and devices of whether setting up.
Background technology
At EPS (Evolved Packet System; Evolved packet system) in; PCEF (Policy andCharging Enforcement Function; The policy and charging enforcement function) the entity major function is to carry out PCRF (Policy and Charging Rules Function, policy and charging control function) qos policy that entity provided and charging policy rule.
As shown in Figure 1, prior art IP-CAN (IP Connectivity Access Network, IP-based connectivity access network) session is set up process and is comprised the following steps:
After step 100, BBERF (Bearer Binding and Event Reporting Function, bearing binding and event reporting function) entity triggers are carried out the IP-CAN session and set up process, send the IP-CAN session to the PCEF entity and set up request message.
Step 101, PCEF entity send the IP-CAN session to the PCRF entity and set up the request authorization messages.
Step 102, PCRF entity make authorizing strategic decision-making according to the request authorization messages of receiving.
Step 103, PCRF entity send IP-CAN session authorization response message to the PCEF entity; Wherein, Decision information in the authorization response message comprises PCC (Policy Control and Charging, policy control and charging) rule and the events subscribed trigger message that qos policy, needs activate.
Step 104, PCEF entity carry out policy deployment and Event triggered configuration according to PCC rule and the events subscribed trigger message that qos policy, needs activate.
Step 105, PCEF entity are sent IP-CAN to the BBERF entity and are successfully set up request message after being determined to a rare PCC rule and successfully activating.
Existing IP-CAN session is set up in the process, and the PCRF entity can not know in time whether IP-CAN sets up success, can only set a timer, if timer expiry is not received the message that need rebulid, thinks that then IP-CAN successfully sets up.
Present AF (Application Function, application function) entity such as IMS (IP Multimedia System; IP Multimedia System) P-CSCF (Proxy-CSCF; Proxy Call Session Control Function) entity need check whether the IP-CAN session successfully sets up through the PCRF entity; Thereby whether decision sends data through IP-CAN; Because the PCRF entity can not know in time whether IP-CAN sets up success, thereby just postponed the time that the AF entity sends data.
In sum, set up in the process in the IP-CAN session at present, the PCRF entity can not know in time whether the IP-CAN session sets up success, thereby has postponed the time of AF entity transmission data, has reduced the efficiency of transmission and the resource utilization of whole system.
Summary of the invention
The embodiment of the invention provides a kind of definite packet data network to connect the mthods, systems and devices of whether setting up; In order to solve setting up in the process of existing in the prior art in the IP-CAN session; The PCRF entity can not know in time whether the IP-CAN session sets up success; Thereby postponed the time of AF entity transmission data, reduced the efficiency of transmission of whole system and the problem of resource utilization.
A kind of definite packet data network that the embodiment of the invention provides connects the method for whether setting up and comprises:
Policy and charging control function PCRF entity is set up the request authorization messages according to the IP-based connectivity access network IP-CAN session from policy and charging enforcement function PCEF entity of receiving, confirms policy control and charging PCC Rule Information;
Said PCRF entity sends the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message;
Said PCRF entity receives from the IP-CAN session that comprises PCC rule relevant information of said PCEF entity and sets up acknowledge message, and confirms according to said PCC rule relevant information whether successful the IP-CAN session sets up.
A kind of definite packet data network that the embodiment of the invention provides connects the system that whether sets up and comprises: policy and charging enforcement function PCEF entity and policy and charging control function PCRF entity; Wherein,
Said PCEF entity comprises:
The authorization messages sending module is used to send the IP-CAN session and sets up the request authorization messages;
Executive Module is used for setting up the PCC Rule Information of asking authorization response message according to the IP-CAN session of receiving, implementation strategy is disposed and the Event triggered configuration, and generates PCC rule relevant information according to execution result;
The acknowledge message sending module is used to send the IP-CAN session that comprises said PCC rule relevant information and sets up acknowledge message;
Said PCRF entity comprises:
The rule determination module is used for setting up the request authorization messages according to the said IP-CAN session of receiving, confirms the PCC Rule Information;
The response message sending module is used for sending the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message;
Processing module is used for setting up according to the said IP-CAN session of receiving the PCC rule relevant information of acknowledge message, confirms that the IP-CAN session sets up whether success.
A kind of policy and charging enforcement function PCEF entity that the embodiment of the invention provides comprises:
The authorization messages sending module is used for sending IP-based connectivity access network IP-CAN session to policy and charging control function PCRF entity and sets up the request authorization messages;
Executive Module is used for setting up the PCC Rule Information of asking authorization response message according to the IP-CAN session from said PCRF entity of receiving, implementation strategy is disposed and the Event triggered configuration, and generates PCC rule relevant information according to execution result;
The acknowledge message sending module is used for sending the IP-CAN session that comprises said PCC rule relevant information to said PCRF entity and sets up acknowledge message.
A kind of policy and charging control function PCRF entity that the embodiment of the invention provides comprises:
The rule determination module is used for setting up the request authorization messages according to the IP-based connectivity access network IP-CAN session from policy and charging enforcement PCEF entity of receiving, confirms policy control and charging PCC Rule Information;
The response message sending module is used for sending the IP-CAN session that comprises the PCC Rule Information to said PCRF entity and sets up the request authorization response message;
Processing module is used for setting up according to the said IP-CAN session from said PCEF entity of receiving the PCC rule relevant information of acknowledge message, confirms that the IP-CAN session sets up whether success.
Embodiment of the invention PCRF entity is set up the request authorization messages according to the IP-CAN session from the PCEF entity of receiving, confirms the PCC Rule Information; Said PCRF entity sends the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message; Said PCRF entity receives from the IP-CAN session that comprises PCC rule relevant information of said PCEF entity and sets up acknowledge message, and confirms according to said PCC rule relevant information whether successful the IP-CAN session sets up.Because whether successfully the PCRF entity can in time know IP-CAN foundation, thereby accelerated the time of AF entity transmission data, improved the efficiency of transmission and the resource utilization of whole system.
Description of drawings
Fig. 1 is a prior art IP-CAN loading establishing process sketch map;
Fig. 2 confirms packet data network for the embodiment of the invention and connects the system configuration sketch map of whether setting up;
Fig. 3 is an embodiment of the invention PCEF entity structure sketch map;
Fig. 4 is an embodiment of the invention PCRF entity structure sketch map;
Fig. 5 confirms packet data network for the embodiment of the invention and connects the method flow sketch map of whether setting up;
Fig. 6 is an embodiment of the invention IP-CAN loading establishing process sketch map.
Embodiment
The PCRF entity receives from the IP-CAN session that comprises PCC rule relevant information of PCEF entity and sets up acknowledge message in the embodiment of the invention; And confirm that according to PCC rule relevant information the IP-CAN session sets up whether success; Because can in time knowing IP-CAN, whether successfully sets up the PCRF entity, thus the time of having accelerated AF entity transmission data.
Below in conjunction with Figure of description the embodiment of the invention is described in further detail.
As shown in Figure 2, the embodiment of the invention confirms that packet data network connects the system that whether sets up and comprises: PCEF entity 10 and PCRF entity 20.
PCEF entity 10; Be used for sending the IP-CAN session and set up the request authorization messages to PCRF entity 20; The PCC Rule Information in the request authorization response message is set up in the IP-CAN session from PCRF entity 20 according to receiving; Implementation strategy is disposed and the Event triggered configuration, generates PCC rule relevant information according to execution result, and sends the IP-CAN session that comprises PCC rule relevant information to PCRF entity 20 and set up acknowledge message.
Wherein, PCEF entity 10 sends the IP-CAN session to PCRF entity 20 and sets up the request authorization messages after request message is set up in the IP-CAN session of receiving the BBERF entity.
The IP-CAN session is set up the request authorization messages and is included but not limited to following message:
Terminal iidentification, PDN (Packet Data Network, Packet Data Network) identifier, IP-CAN type, effectively IP address of terminal, effectively give tacit consent to charging method and the IP-CAN that supported carries the pattern of setting up.If server data stream in BBERF entity tunnels, then also has mobility protocol tunnel encapsulation header.
PCC rule relevant information comprises accepts PCC list of rules and refusal PCC list of rules.
PCRF entity 20; Be used for setting up the request authorization messages according to the IP-CAN session from PCEF entity 10 of receiving; Confirm the PCC Rule Information; Send the IP-CAN session that comprises the PCC Rule Information to PCEF entity 10 and set up the request authorization response message, according to receive from the PCC rule relevant information of setting up from the IP-CAN session of PCEF entity 10 in the acknowledge message, confirm that the IP-CAN session sets up whether success.
Wherein, PCRF entity 20 is confirmed terminal unit contractual information according to terminal iidentification, sets up the relevant information in the request authorization messages according to terminal unit contractual information and IP-CAN session, confirms the PCC Rule Information.
The IP-CAN session is set up the request authorization response message except comprising the PCC Rule Information, can also comprise following message:
Event triggered information (which incident is Event triggered information indicated to report to PCRF entity 20 to PCEF entity 10), the needed particular request information of BBERF entity.
In the practical implementation process; If the PMIPv6 agreement is adopted at the terminal; Then the IP-CAN session of PCEF entity 10 transmissions is set up acknowledge message except comprising PCC rule relevant information, also comprises mobility protocol tunnel envelope rotary head information and the needed particular request information of BBERF entity.
As shown in Figure 3, embodiment of the invention PCEF entity comprises: authorization messages sending module 100, Executive Module 110 and acknowledge message sending module 120.
Authorization messages sending module 100 is used for sending the IP-CAN session to the PCRF entity and sets up the request authorization messages.
In the practical implementation process, Executive Module 110 can determine whether earlier that according to the PCC Rule Information needs adopt online charging after receiving that the request authorization response message is set up in the IP-CAN session that comprises the PCC Rule Information; If adopt, then can carry out online charging earlier and handle, obtain online charging information; Then according to the PCC Rule Information; Implementation strategy is disposed and the Event triggered configuration, (prior art elder generation implementation strategy is disposed with Event triggered and disposed, then carry out the online charging processing).Doing like this can be when implementation strategy deployment and Event triggered configuration; Can online charging be handled and take into account; Whether can confirm early has resource to carry out online charging; After avoiding implementation strategy deployment and Event triggered configuration to accomplish, when chargeing, just find not have resource, set up thereby must carry out the IP-CAN session again.
Acknowledge message sending module 120 is used for sending the IP-CAN session that comprises PCC rule relevant information to the PCRF entity and sets up acknowledge message.
Because in the prior art; When the PCEF entity confirms that the PCC rule that activates needs to adopt network control mode; Send the IP-CAN session to the BBERF entity and set up message transmission before setting up success message to BBERF entity transmission IP-CAN session; And the IP-CAN session is set up and has been comprised bearer setup message and PCO (Protocol Configuration Options in the success message; Protocol configuration option) information, these two information need be used when carrying out next step operation after the BBERF entity receives that message is set up in the IP-CAN session; Make the BBERF entity in time not carry out next step operation like this, then embodiment of the invention PCEF entity can further include: response message sending module 130 with set up message transmission module 140.
Response message sending module 130 is used for after acknowledge message is set up in the 120 transmission IP-CAN sessions of acknowledge message sending module, being determined to a rare PCC rule and successfully activating, and sends the IP-CAN session to the BBERF entity and sets up success message; If neither one PCC rule successfully activates, then send the IP-CAN session and set up failed message to the BBERF entity.
Set up message transmission module 140; Be used for after success message is set up in the 130 transmission IP-CAN sessions of response message sending module; Confirm that the PCC rule that activates needs to adopt network control mode, sends the carrying that is associated with this IP-CAN session to the BBERF entity and sets up request message.
The BBERF entity can receive earlier that the IP-CAN session that has comprised bearer setup message and PCO information sets up success message like this; Thereby after receiving that message is set up in the IP-CAN session, can in time be for further processing (promptly carrying out the loading establishing process that another is associated with this IP-CAN session).
As shown in Figure 4, embodiment of the invention PCRF entity comprises: regular determination module 200, response message sending module 210 and processing module 220.
Wherein, regular determination module 200 is set up the request authorization messages from the IP-CAN session and is extracted terminal iidentification, checks and self whether preserves the corresponding terminal unit contractual information of terminal iidentification, if then confirm the PCC Rule Information according to terminal unit contractual information; Otherwise; To SPR (Subscrption Profile Repository; User contracting data specification storehouse) sends the subscription data request message that comprises terminal iidentification; And from the subscription data request response of receiving, extract terminal unit contractual information from SPR, confirm the PCC Rule Information according to terminal unit contractual information.
Response message sending module 210 is used for sending the IP-CAN session that comprises the PCC Rule Information to the PCRF entity and sets up the request authorization response message.
Wherein, processing module 220 can further include: first determination module 2200 and second determination module 2210.
Because in the prior art; The process that IP-CAN revises is set up in the process in the control session and is triggered, and the process that makes IP-CAN revise is carried out after IP-CAN sets up process, in the IP-CAN modification process; Need carry out repeatedly mutual between PCEF entity and the PCRF entity; Just can obtain corresponding information and revise the PCC Rule Information, accomplish IP-CAN and revise, thereby wasted a large amount of Internet resources and time.
Because in the embodiment of the invention; The PCRF entity receive set up acknowledge message from the IP-CAN session of PCEF entity after, confirm that the IP-CAN session sets up failure, and need make amendment IP-CAN; Information in the time of just can at once session is set up according to IP-CAN; Again confirm the PCC Rule Information, and send to PCEF entity (basic embodiment sets up in the IP-CAN session just can realize in the process that IP-CAN revises), thereby saved the interaction times between PCEF entity and the PCRF entity; Alleviate network burden, improved resource utilization.
Accordingly, if failure is set up in the IP-CAN session, and need make amendment to the IP-CAN session, the PCRF entity of the embodiment of the invention can further include: trigger module 230.
Fig. 5 confirms that for the embodiment of the invention packet data network connects the method for whether setting up and comprises the following steps:
Step 500, PCRF entity are set up the request authorization messages according to the IP-CAN session from the PCEF entity of receiving, confirm the PCC Rule Information.
Wherein, the PCRF entity is set up the request authorization messages from the IP-CAN session and is extracted terminal iidentification, checks and self whether preserves the corresponding terminal unit contractual information of terminal iidentification, if then confirm the PCC Rule Information according to terminal unit contractual information; Otherwise, comprise the subscription data request message of terminal iidentification to the SPR transmission, and from the subscription data request response of receiving, extract terminal unit contractual information from SPR, confirm the PCC Rule Information according to terminal unit contractual information.
Step 501, PCRF entity send the IP-CAN session that comprises the PCC Rule Information to the PCEF entity and set up the request authorization response message.
Wherein, the IP-CAN session is set up the request authorization response message except comprising the PCC Rule Information, can also comprise following message:
Event triggered information (which incident is Event triggered information indicated to report to the PCRF entity to the PCEF entity), the needed particular request information of BBERF entity.
Step 502, PCRF entity receive from the IP-CAN session that comprises PCC rule relevant information of PCEF entity and set up acknowledge message, and confirm according to PCC rule relevant information whether successful the IP-CAN session sets up.
Wherein, can further include before the step 500:
The PCEF entity sends the IP-CAN session to the PCRF entity and sets up the request authorization messages after request message is set up in the IP-CAN session of receiving the BBERF entity.
The IP-CAN session is set up the request authorization messages and is included but not limited to following message:
Terminal iidentification, PDN identifier, IP-CAN type, effectively IP address of terminal, effectively give tacit consent to charging method and the IP-CAN that supported carries the pattern of setting up.If server data stream in BBERF entity tunnels, then also has mobility protocol tunnel encapsulation header.
PCC rule relevant information comprises accepts PCC list of rules and refusal PCC list of rules.
Wherein, in the step 500, the PCRF entity is confirmed terminal unit contractual information according to terminal iidentification, sets up the relevant information in the request authorization messages according to terminal unit contractual information and IP-CAN session, confirms the PCC Rule Information.
In the practical implementation process; If the PMIPv6 agreement is adopted at the terminal; Then the IP-CAN session of PCEF entity transmission is set up acknowledge message except comprising PCC rule relevant information, also comprises mobility protocol tunnel envelope rotary head information and the needed particular request information of BBERF entity.
Wherein, in the step 502, the PCRF entity checks in the PCC rule relevant information whether have at least a PCC rule successfully to activate, if then definite IP-CAN session is set up successfully; Otherwise, confirm IP-CAN session foundation failure.
Wherein, can further include between step 501 and the step 502:
Step S1, PCEF entity are set up the PCC Rule Information in the request authorization response message according to the IP-CAN session of receiving, implementation strategy is disposed and the Event triggered configuration;
Step S2, PCEF entity generate PCC rule relevant information according to execution result, and send the IP-CAN session that comprises PCC rule relevant information to the PCRF entity and set up acknowledge message.
If the DSMIPv6 agreement is adopted at the terminal, then the IP-CAN session of PCEF entity transmission is set up acknowledge message except comprising PCC rule relevant information, also comprises mobility protocol tunnel envelope rotary head information and the needed particular request information of BBERF entity.
In the practical implementation process, the PCEF entity can determine whether earlier that according to the PCC Rule Information needs adopt online charging after receiving that the request authorization response message is set up in the IP-CAN session that comprises the PCC Rule Information; If adopt, then can carry out online charging earlier and handle, obtain online charging credit information (credit); Then according to the PCC Rule Information; Implementation strategy is disposed and the Event triggered configuration, (prior art elder generation implementation strategy is disposed with Event triggered and disposed, then carry out the online charging processing).Doing like this can be when implementation strategy deployment and Event triggered configuration; Can online charging be handled and take into account; Whether can confirm early has resource to carry out online charging; After avoiding implementation strategy deployment and Event triggered configuration to accomplish, when chargeing, just find not have resource, set up thereby must carry out the IP-CAN session again.
Because in the prior art; When the PCEF entity confirms that the PCC rule that activates needs to adopt network control mode; Send another carrying that is associated with this IP-CAN session to the BBERF entity and set up request message transmission before setting up success message to BBERF entity transmission IP-CAN session; And the IP-CAN session is set up and has been comprised bearer setup message and PCO information in the successful response message, and these two information need be used when carrying out next step operation after the BBERF entity receives that request message is set up in another carrying that is associated with this IP-CAN session; Make the BBERF entity can not in time carry out next step operation like this, then can further include after the step S2:
Step S3, PCEF entity successfully activate being determined to a rare PCC rule, send the IP-CAN session to bearing binding and event reporting function BBERF entity and set up success message;
When step S4, PCEF entity need to adopt network control mode in definite PCC rule that activates, send the IP-CAN carrying that is associated with this IP-CAN session to the BBERF entity and set up request message.
The BBERF entity can receive earlier that the IP-CAN session that has comprised bearer setup message and PCO information sets up success message like this; Thereby after receiving that message is set up in the IP-CAN session, can in time be for further processing (promptly carrying out the loading establishing process that another is associated with this IP-CAN session).
Because in the prior art; The process that IP-CAN revises is set up in the process in the control session and is triggered, and the process that makes IP-CAN revise is carried out after IP-CAN sets up process, in the IP-CAN modification process; Need carry out repeatedly mutual between PCEF entity and the PCRF entity; Just can obtain corresponding information and revise the PCC Rule Information, accomplish IP-CAN and revise, thereby wasted a large amount of Internet resources and time.
Because in the embodiment of the invention; The PCRF entity receive set up acknowledge message from the IP-CAN session of PCEF entity after, confirm that the IP-CAN session sets up failure, and need make amendment IP-CAN; Information in the time of just can at once session is set up according to IP-CAN; Again confirm the PCC Rule Information, and send to PCEF entity (basic embodiment sets up in the IP-CAN session just can realize in the process that IP-CAN revises), thereby saved the interaction times between PCEF entity and the PCRF entity; Alleviate network burden, improved resource utilization.
Accordingly,, and need make amendment, can further include after the step 502 the IP-CAN session if failure is set up in the IP-CAN session:
The PCRF entity is confirmed the PCC Rule Information again after failure is set up in definite IP-CAN session, and sends the IP-CAN session that comprises the PCC Rule Information of confirming again to the PCRF entity and set up the request authorization response message.
As shown in Figure 6, embodiment of the invention IP-CAN loading establishing process comprises the following steps:
Step 600, BBERF entity send the IP-CAN session to the PCEF entity and set up request message.
Step 601, PCEF entity send the IP-CAN session to the PCRF entity and set up the request authorization messages after receiving that request message is set up in the IP-CAN session.
Wherein, the IP-CAN session set up comprise in the request authorization messages terminal iidentification, PDN identifier, IP-CAN type, effectively IP address of terminal, effectively give tacit consent to charging method and the IP-CAN that supported carries the pattern of setting up.
Step 602, PCRF entity are judged and self whether are preserved the corresponding terminal unit contractual information of terminal iidentification, if then execution in step 605 after receiving that the request authorization messages is set up in the IP-CAN session; Otherwise, execution in step 603.
Step 603, PCRF entity send the subscription data request message that comprises terminal iidentification to SPR.
Step 604, the terminal unit contractual information that SPR is corresponding with terminal iidentification place the subscription data request response, and the subscription data request response are sent to the PCRF entity.
Step 605, PCRF entity are made according to the information in terminal unit contractual information and the IP-CAN session foundation request authorization messages and are authorized strategic decision-making, confirm the PCC Rule Information.
Step 606, PCRF entity send the IP-CAN session to the PCEF entity and set up the request authorization response message.
Wherein, the IP-CAN session is set up and is asked authorization response message to comprise the needed particular request information of PCC Rule Information, Event triggered information and BBERF entity.
Step 607, PCEF entity judge whether to carry out online charging according to the PCC Rule Information and handle after receiving that the request authorization response message is set up in the IP-CAN session, if, execution in step 608, otherwise, execution in step 609.
Step 608, PCEF entity carry out online charging to be handled.
Wherein, if activated the relevant PCC rule of at least one online charging, then the PCEF entity is according to the PCC rule that activates, and Online Charging System provides relevant input information; Otherwise the PCEF entity provides limited credit information to the Online Charging System request of sending, and receives limited credit.
Step 609, PCEF entity are according to the PCC Rule Information, and implementation strategy is disposed and the Event triggered configuration.
Wherein, if carried out step 608, then step 608 needs to consider whether current resource can be provided in line and charge when implementation strategy deployment and Event triggered configuration.
Step 610, PCEF entity generate PCC rule relevant information according to execution result, and send the IP-CAN session that comprises PCC rule relevant information to the PCRF entity and set up acknowledge message.
Wherein, PCC rule relevant information is the PCC list of rules of acceptance and the PCC list of rules of refusal.
If the DSMIPv6 agreement is adopted at the terminal, then the IP-CAN session of sending of PCEF entity is set up acknowledge message and is also comprised mobility protocol tunnel envelope rotary head information and the needed particular request information of BBERF entity.
Step 611, PCRF entity confirm according to PCC rule relevant information whether successful the IP-CAN session sets up.
Wherein, if the PCC rule is arranged in the PCC list of rules of accepting, then definite IP-CAN session is set up successfully; Otherwise, confirm IP-CAN session foundation failure.
Step 612, PCEF entity successfully activate being determined to a rare PCC rule, send the IP-CAN carrying that is associated with this IP-CAN session to the BBERF entity and set up request message.
Wherein, the IP-CAN session is set up success message and is comprised bearer setup message and PCO information.
When step 613, PCEF entity need to adopt network control mode in the PCC rule of confirming to activate, send the IP-CAN session to the BBERF entity and set up message.
Need to prove there is not sequential relationship between step 611 and the step 612, promptly the PCEF entity sends after the IP-CAN session comprise PCC rule relevant information sets up acknowledge message to the PCRF entity, at once execution in step 612.
From the foregoing description, can find out: embodiment of the invention PCRF entity is set up the request authorization messages according to the IP-CAN session from the PCEF entity of receiving, confirms the PCC Rule Information; Said PCRF entity sends the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message; Said PCRF entity receives from the IP-CAN session that comprises PCC rule relevant information of said PCEF entity and sets up acknowledge message, and confirms according to said PCC rule relevant information whether successful the IP-CAN session sets up.Because whether successfully the PCRF entity can in time know IP-CAN foundation, thereby accelerated the time of AF entity transmission data, improved the efficiency of transmission and the resource utilization of whole system.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, belong within the scope of claim of the present invention and equivalent technologies thereof if of the present invention these are revised with modification, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
1. a definite packet data network connects the method for whether setting up, and it is characterized in that this method comprises:
Policy and charging control function PCRF entity is set up the request authorization messages according to the IP-based connectivity access network IP-CAN session from policy and charging enforcement function PCEF entity of receiving, confirms policy control and charging PCC Rule Information;
Said PCRF entity sends the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message;
Said PCRF entity receives from the IP-CAN session that comprises PCC rule relevant information of said PCEF entity and sets up acknowledge message, and confirms according to said PCC rule relevant information whether successful the IP-CAN session sets up.
2. whether the method for claim 1 is characterized in that, saidly confirm according to said PCC rule relevant information that the IP-CAN session is set up and successfully comprise:
Check in the said PCC rule relevant information whether have at least a PCC rule successfully to activate, if then definite IP-CAN session is set up successfully; Otherwise, confirm IP-CAN session foundation failure.
3. according to claim 1 or claim 2 method is characterized in that this method also comprises:
Said PCRF entity is confirmed the PCC Rule Information again after failure is set up in definite IP-CAN session.
4. the method for claim 1 is characterized in that, said PCRF entity sends the IP-CAN session and sets up after the request authorization response message, also comprises:
Said PCEF entity is set up the PCC Rule Information in the request authorization response message according to the IP-CAN session of receiving, implementation strategy is disposed and the Event triggered configuration;
Said PCEF entity generates PCC rule relevant information according to execution result, and sends the IP-CAN session that comprises said PCC rule relevant information to said PCRF entity and set up acknowledge message.
5. method as claimed in claim 4 is characterized in that, said PCEF entity transmission IP-CAN session also comprises after setting up acknowledge message:
Said PCEF entity successfully activates being determined to a rare PCC rule, sends the IP-CAN session to bearing binding and event reporting function BBERF entity and sets up response message;
When said PCEF entity needs to adopt network control mode in definite said PCC rule that activates, send the IP-CAN carrying that is associated with this IP-CAN session to said BBERF entity and set up request message.
6. a definite packet data network connects the system that whether sets up, and it is characterized in that this system comprises: policy and charging enforcement function PCEF entity and policy and charging control function PCRF entity; Wherein,
Said PCEF entity comprises:
The authorization messages sending module is used to send the IP-CAN session and sets up the request authorization messages;
Executive Module is used for setting up the PCC Rule Information of asking authorization response message according to the IP-CAN session of receiving, implementation strategy is disposed and the Event triggered configuration, and generates PCC rule relevant information according to execution result;
The acknowledge message sending module is used to send the IP-CAN session that comprises said PCC rule relevant information and sets up acknowledge message;
Said PCRF entity comprises:
The rule determination module is used for setting up the request authorization messages according to the said IP-CAN session of receiving, confirms the PCC Rule Information;
The response message sending module is used for sending the IP-CAN session that comprises the PCC Rule Information to said PCEF entity and sets up the request authorization response message;
Processing module is used for setting up according to the said IP-CAN session of receiving the PCC rule relevant information of acknowledge message, confirms that the IP-CAN session sets up whether success.
7. system as claimed in claim 6 is characterized in that, said processing module comprises:
First determination module is used for having at least a PCC rule successfully to activate in said PCC rule relevant information, confirms that the IP-CAN session sets up successfully;
Second determination module is used for successfully activating in said PCC rule relevant information neither one PCC rule, confirms IP-CAN session foundation failure.
8. system as claimed in claim 7 is characterized in that, said PCRF entity also comprises:
Trigger module is used for after said second determination module confirms that failure is set up in the IP-CAN session, and the triggering rule determination module is confirmed the PCC Rule Information again.
9. system as claimed in claim 6 is characterized in that, said PCEF entity also comprises:
The response message sending module; Be used for after acknowledge message is set up in said acknowledge message sending module transmission IP-CAN session; Be determined to a rare PCC rule and successfully activate, set up response message to bearing binding and event reporting function BBERF entity transmission IP-CAN session;
Set up message transmission module; Be used for after response message is set up in said message transmission module transmission IP-CAN session; Definite said PCC rule that activates needs to adopt network control mode, sends the IP-CAN carrying that is associated with this IP-CAN session to said BBERF entity and sets up request message.
10. policy and charging enforcement function PCEF entity is characterized in that this PCEF entity comprises:
The authorization messages sending module is used for sending IP-based connectivity access network IP-CAN session to policy and charging control function PCRF entity and sets up the request authorization messages;
Executive Module; Be used for setting up the policy control and the charging PCC Rule Information of asking authorization response message according to the IP-CAN session from said PCRF entity of receiving; Implementation strategy is disposed and the Event triggered configuration, and generates PCC rule relevant information according to execution result;
The acknowledge message sending module is used for sending the IP-CAN session that comprises said PCC rule relevant information to said PCRF entity and sets up acknowledge message.
11. PCEF entity as claimed in claim 10 is characterized in that, said PCEF entity also comprises:
The response message sending module; Be used for after acknowledge message is set up in said acknowledge message sending module transmission IP-CAN session; Be determined to a rare PCC rule and successfully activate, set up response message to bearing binding and event reporting function BBERF entity transmission IP-CAN session;
Set up message transmission module; Be used for after response message is set up in said message transmission module transmission IP-CAN session; Definite said PCC rule that activates needs to adopt network control mode, sends the IP-CAN carrying that is associated with this IP-CAN session to said BBERF entity and sets up request message.
12. a policy and charging control function PCRF entity is characterized in that this PCRF entity comprises:
The rule determination module is used for setting up the request authorization messages according to the IP-based connectivity access network IP-CAN session from policy and charging enforcement function PCEF entity of receiving, confirms policy control and charging PCC Rule Information;
The response message sending module is used for sending the IP-CAN session that comprises the PCC Rule Information to said PCRF entity and sets up the request authorization response message;
Processing module is used for setting up according to the said IP-CAN session from said PCEF entity of receiving the PCC rule relevant information of acknowledge message, confirms that the IP-CAN session sets up whether success.
13. PCRF entity as claimed in claim 12 is characterized in that, said processing module comprises:
First determination module is used for having at least a PCC rule successfully to activate in said PCC rule relevant information, confirms that the IP-CAN session sets up successfully;
Second determination module is used for successfully activating in said PCC rule relevant information neither one PCC rule, confirms IP-CAN session foundation failure.
14. PCRF entity as claimed in claim 13 is characterized in that, said PCRF entity also comprises:
Trigger module is used for after said second determination module confirms that failure is set up in the IP-CAN session, and the triggering rule determination module is confirmed the PCC Rule Information again.
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| CN101159563A (en) * | 2007-11-02 | 2008-04-09 | 中兴通讯股份有限公司 | Method and system for selecting strategy charging control server |
| CN101222413A (en) * | 2007-01-09 | 2008-07-16 | 华为技术有限公司 | Service flow processing method and system |
| CN101267656A (en) * | 2007-03-14 | 2008-09-17 | 华为技术有限公司 | Transfer method and system for PCC rule and QoS message |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101222413A (en) * | 2007-01-09 | 2008-07-16 | 华为技术有限公司 | Service flow processing method and system |
| CN101267656A (en) * | 2007-03-14 | 2008-09-17 | 华为技术有限公司 | Transfer method and system for PCC rule and QoS message |
| CN101159563A (en) * | 2007-11-02 | 2008-04-09 | 中兴通讯股份有限公司 | Method and system for selecting strategy charging control server |
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