CN101945439A - Policy control method and system - Google Patents
Policy control method and system Download PDFInfo
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- CN101945439A CN101945439A CN200910159121XA CN200910159121A CN101945439A CN 101945439 A CN101945439 A CN 101945439A CN 200910159121X A CN200910159121X A CN 200910159121XA CN 200910159121 A CN200910159121 A CN 200910159121A CN 101945439 A CN101945439 A CN 101945439A
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Abstract
The invention discloses a policy control method, comprising a capability information obtaining step in which a policy decision network element obtains the connection establishing capability information of user equipment, wherein the connection establishing capability information indicates whether the user equipment supports multi-connection establishment or single-connection establishment; a control policy decision step in which the policy decision network element makes a control policy for the user equipment according to the connection establishing capability information, if the user equipment supports the multi-connection establishment, the policy decision network element makes a data stream level control policy, and if the user equipment supports the single-connection establishment, the policy decision network element makes a user level control policy; and a control policy execution step in which the policy decision network element distributes the made control policy to a policy execution network element so that the policy execution network element executes the control policy. The policy control method and system of the invention can generate and execute the control policy in accordance with the supporting capability of the user equipment.
Description
Technical field
The present invention relates to the communications field, relate more specifically to a kind of policy control method and system.
Background technology
Third generation partner program (3GPP, 3rd Generation Partnership Project) strategy and charging control architecture (PCC have been defined at the mobile network, Policy and Charging Control), as shown in Figure 2, PCRF (Policy and Charging Rules Function, strategy and charging regulation entity) be responsible for being used for business data flow use network QoS and the formulation of the PCC rule that is used to charge, and pass through the Gx interface and give PCEF (Policy and Charging EnforcementFunction, strategy and charging execution function entity) the PCC rule downloading; PCEF installs and also to carry out the PCC rule, carry out dependent event and report, and with the mutual charge information of charge system.PCRF also will be used for business data flow is carried out the QoS rule downloading of QoS control to BBERF (Bearer Binding andEvent Report Function by the Gxx interface, bearing binding and reporting events entity), BBERF only is responsible for bearing binding and relevant bearer reporting events.AF (Application Function, business function entity) provides business information by Rx interface to PCRF.SPR (Subscription Profile Repository, user-subscribed database) has preserved the business information that the user contracts, and provides necessary user signing contract information for PCRF works out the PCC rule.The mutual of charge information also takes place with OCS (Online Charging System, Online Charging System) and OFCS (Offline Charging System, off-line accounting system) in PCEF in addition.
Business is carried out use Internet resources enforcement QoS to be guaranteed to reach following effect:
On the one hand, can guarantee customer service experience.User's subscriber equipment can be carried out multiple business simultaneously, and the business that the user carries out also may comprise a plurality of business data flows.All there is different demands to QoS in different business data flow under different types of service or the same business with bandwidth when bearer network transmits.In order to satisfy the demand, just each business data flow need be associated with and have being connected that different QoS and bandwidth guarantee.Each business data flow transmits having being connected that corresponding QoS and bandwidth guarantee, thereby guarantees the experience of user to business.
On the other hand, can distinguish customer service experiences.Provide need be according to user signing contract information when having the service that different QoS guarantees commencing business for different user.Because the difference of the signatory specification of user is experienced the professional QoS that provides for different user and is guaranteed that nature can there are differences, and can reach the business experience effect of distinguishing the user with this, thereby can realize the charge of differentiation.
The above-mentioned realization that the network implementation QoS of bearer service is guaranteed realizes in conjunction with PCC policy control architecture shown in Figure 1, can reach and use Internet resources to implement the purpose of dynamic QoS control business, user experience can be guaranteed and distinguish, the service efficiency of Internet resources can be improved simultaneously again.
For supporting the implementation strategy control of commencing business of the multi-link subscriber equipment that creates a mechanism, PCRF is respectively each business data flow in conjunction with each business data flow to QoS and bandwidth demand, user signing contract information, local policy etc. and works out corresponding strategy, and giving gateway (BBERF/PCEF), each business data flow is associated with according to strategy by gateway and has being connected that different QoS and bandwidth guarantee at the policy distribution of each business data flow.Carry out in the process in business, if business data flow is wherein changed (a for example professional business data flow that comprises needs to stop), PCRF just need change this business data flow corresponding strategy, and, in time change employed QoS of this business data flow and bandwidth resources according to strategy by gateway changing policy distribution to gateway.This business is carried out uses Internet resources to implement the mechanism of dynamic strategy control, both guaranteed user's business experience effect, realized the real-time control to Internet resources again, improved the service efficiency of Internet resources.
For existing commercial user equipment, often do not support multi-link creating a mechanism, to this single subscriber equipment implementation strategy control of commencing business that connects, need PCRF to work out corresponding strategy for the user according to user signing contract information, operator's informaiton etc., and be issued to gateway, to be associated with for the strategy that the user works out in the connection by gateway, and provide the QoS of user class to guarantee to the user.Because the signatory specification of user is distinct, therefore be user's implementation strategy control of different size, can guarantee in dissimilar users commence business process, realize the differentiation effect of user to business experience.
Different types of user devices needs to implement different policy control modes when commencing business.For supporting the multi-link subscriber equipment that creates a mechanism, can implement policy control mode at business data flow; For single subscriber equipment that creates a mechanism that connects, can implement policy control mode at the user.And according to prior art, PCRF can't distinguish user device type, implements suitable policy control mode thereby can't commence business to the user.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of policy control method and system, the control strategy that conforms to the subscriber equipment tenability with generation and execution.
For solving the problems of the technologies described above, the invention provides a kind of policy control method, this method comprises:
The ability information obtaining step: the strategic decision-making network element obtains the connection of subscriber equipment and sets up ability information, and described connection is set up ability information and represented that described subscriber equipment supports multi-link foundation or support single the connection to set up;
The control strategy steps in decision-making: described strategic decision-making network element is set up ability information according to described connection, for described subscriber equipment is formulated control strategy: if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy;
The control strategy execution in step: described strategic decision-making network element is handed down to strategy execution network elements with the control strategy of formulating, and described strategy execution network elements is carried out described control strategy.
Further, in the described ability information obtaining step, described connection is set up ability information and comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
Further, in the described ability information obtaining step, described strategic decision-making network element obtains described connection and sets up ability information during session foundation or session modification, preserves described connection and set up ability information during described session.
Further, described session is the IP-CAN session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF.
Further, described session is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF.
For solving the problems of the technologies described above, the present invention also provides a kind of policy controlling system, and this system comprises strategy execution network elements and the strategic decision-making network element that connects by network, wherein:
Described strategy execution network elements is used for that ability information is set up in the connection of subscriber equipment and sends to described strategic decision-making network element, and described connection is set up ability information and represented that described subscriber equipment supports multi-link foundation or support single the connection to set up; Described strategy execution network elements also is used to receive and carry out the control strategy that described strategic decision-making network element issues;
Described strategic decision-making network element, be used to receive the connection that described strategy execution network elements sends and set up ability information, also being used for setting up ability information according to described connection is that described subscriber equipment is formulated control strategy, and the control strategy of formulating is handed down to described strategy execution network elements, if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy.
Further, described connection is set up ability information and is comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID, and sets up user ID and the described incidence relation of setting up ability label that is connected; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
Further, described strategic decision-making network element also is used for obtaining described connection and sets up ability information during session foundation or session modification, and preserves described connection and set up ability information during described session.
Further, described session is the IP-CAN session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF.
Further, described session is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF.
In policy control method of the present invention and the system, the strategic decision-making network element is set up the user ID of obtaining the current sessions subscriber equipment in the process is connected the ability of foundation with it incidence relation in session, and when the user commences business, ability is set up in connection with reference to its association, formulate data flow level control strategy or the user class control strategy conform to the subscriber equipment tenability, thereby better, the more rational Internet resources that carry out control.
Description of drawings
Fig. 1 is the 3GPP PCC R8 policy control architecture of prior art.
Fig. 2 is the schematic diagram of policy control method of the present invention.
Fig. 3 is that strategic decision-making network element of the present invention obtains the flow process that connects the ability of setting up.
Fig. 4 is the policy control flow process of the single subscriber equipment that connects the ability of setting up of the present invention when commencing business.
Fig. 5 is the policy control flow process of the subscriber equipment of the multi-link ability of foundation of the present invention when commencing business.
Embodiment
In policy control method of the present invention and the system, the strategic decision-making network element is set up the user ID of obtaining the current sessions subscriber equipment in the process is connected the ability of foundation with it incidence relation in session, and when the user commences business, ability is set up in connection with reference to its association, formulate data flow level control strategy or the user class control strategy conform to the subscriber equipment tenability, thereby better, the more rational Internet resources that carry out control.
As shown in Figure 2, policy control method of the present invention comprises:
Step 201: ability information obtaining step: the strategic decision-making network element obtains the connection of subscriber equipment and sets up ability information, and described connection is set up ability information and represented that subscriber equipment supports multi-link foundation or support single the connection to set up;
In the described ability information obtaining step, described connection is set up ability information and comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
Step 202: control strategy generates step: described strategic decision-making network element is set up ability information according to described connection, for described subscriber equipment is formulated control strategy: if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy;
In the described ability information obtaining step, described strategic decision-making network element obtains described connection and sets up ability information during session foundation or session modification, preserves described connection and set up ability information during described session.
Step 203: control strategy execution in step: described strategic decision-making network element is handed down to strategy execution network elements with the control strategy of formulating, and described strategy execution network elements is carried out described control strategy.
The inventive method has following two kinds of specific implementations:
One, described current sessions is the IP-CAN session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF, and described PCEF resides in data network gateway P-GW.
Two, described current sessions is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF, and described BBERF resides in the IAD of gateway or the non-3GPP of trusted.
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in further detail, can be implemented so that those skilled in the art can better understand the present invention also, but illustrated embodiment is not as a limitation of the invention.
Embodiment one
The ability whether subscriber equipment supports multi-link foundation during gateway control session is set up or the IP-CAN session set up during (when for example subscriber equipment is attached to network) send to network equipment PCRF, PCRF keeps customer equipment identification is connected the ability of foundation with subscriber equipment sign association, and during whole network control session or IP-CAN session, when subscriber equipment is commenced business, PCRF need set up the ability decision-making according to the subscriber equipment connection business is carried out based on business data flow, also is based on user's policy control.If support the subscriber equipment of multi-link foundation, then need to report to connect and set up ability label, PCRF perception in view of the above is multi-link subscriber equipment, then after this can implement policy control at the business data flow level to its business of carrying out; If support single subscriber equipment of setting up that connects, then do not need to report to connect and set up ability label, if PCRF does not receive this sign, represent that then this subscriber equipment is single subscriber equipment that connects, then after this to the policy control of its service implementation user class of carrying out.
The flow process that strategic decision-making network element PCRF obtains incidence relation may further comprise the steps as shown in Figure 3:
Step 301: when subscriber equipment sends IP-CAN session foundation request to PCEF, perhaps when sending gateway control session foundation request to BBERF, carry user ID in the request, if support the request that the subscriber equipment of multi-link foundation is initiated, need also that then ability is set up in the connection of subscriber equipment and send to PCEF or BBERF, if support single subscriber equipment of setting up that connects, then do not carry this ability, the network equipment can be defaulted as the subscriber equipment of not being with connection to set up ability label and be single subscriber equipment that connects;
Step 302:PCEF initiates the IP-CAN session to PCRF and sets up, perhaps BBERF initiates the Diameter CCR request that gateway control session is set up to PCRF, carry in the request through information such as the user ID after PCEF or the mapping of BBERF execution parameter, request QoS, corresponding with step 301, support multi-link request of setting up subscriber equipment if this request is corresponding, then also need subscriber equipment connected and set up ability label and be included in and send to PCRF in the request message;
For example setting up ability through the connection after BBERF or the mapping of PCRF execution parameter represents with MultiConnection Capability.
Step 303:PCRF receives request, and preserves the information that comprises in the request message, comprises user ID and is connected the incidence relation of setting up ability label;
Step 304: if also do not have and this user-dependent CAMEL-Subscription-Information among the PCRF this moment, then PCRF asks in SPR and this user-dependent user signing contract information;
Step 305:SPR returns and this user-dependent user signing contract information to PCRF;
Step 306:PCRF is according to user signing contract information with from the solicited message of subscriber equipment, and operator's local policy for the request of subscriber equipment is made a strategic decision, and is preserved the decision-making Authorization result;
Authorization result is handed down to PCEF by Diameter CCA message to step 307:PCRF or BBERF carries out;
Step 308:PCEF or BBERF mounting strategy, and return IP-CAN session foundation or gateway control session to subscriber equipment and set up successful response;
In above-mentioned flow process, carrying out IP-CAN session foundation, after perhaps gateway control session is set up, for each user's subscriber equipment, all in store user ID and the incidence relation that is connected the ability of foundation on PCRF, for example following table is represented:
| User ID | Connect and set up ability label |
| User ID 1 | 1 |
| User ID 2 | 1 |
| User ID 3 | 0 |
Wherein user ID is used to distinguish subscriber equipment, sets up ability label and supports multi-link foundation for " 1 " expression subscriber equipment and connect; Connection is set up ability label and is connected foundation for the support of " 0 " expression subscriber equipment is single.Carried Multi Connection Capability in the request message that subscriber equipment sends, then the connection of PCRF is set up the ability label value and is " 1 "; If do not carry Multi Connection Capability in the request message that subscriber equipment sends, then PCRF goes up to connect and sets up the ability label value and be " 0 ".As long as subscriber equipment is attached to network, between the whole setting stage, this incidence relation all need be safeguarded on PCRF so.When PCRF when BBERF or PCEF receive the service authorization request of subscriber equipment, just can according to user ID be connected the value that ability label is set up in the incidence relation of setting up ability label and connection, just can whether have the ability of multi-link foundation by the perception subscriber equipment, thereby the business that is defined as this subscriber equipment initiation is carried out the policy control based on business data flow, still carries out the policy control of user class.
Embodiment two
PCRF implements the process of user class policy control for supporting single subscriber equipment that connects foundation to commence business, and as shown in Figure 4, its flow process is described below:
Step 401: subscriber equipment is attached to network, and PCRF finishes the mandate of setting up at the IP-CAN session of this subscriber equipment.Because this subscriber equipment is single subscriber equipment that connects, therefore in request message, can not carry to connect and set up ability label, PCRF will connect and set up the ability label value for " 0 " after receiving request message, and preserve user ID simultaneously and be connected the incidence relation of setting up ability label with this.Detailed process is referring to embodiment one;
Step 402: the flow process of authorizing is set up in the IP-CAN session of following step 401 to describe, sets up the main service that is used for transport service control signaling and connect between UE and PCEF;
Step 403: this subscriber equipment is commenced business, and finishes with the network equipment and consults about this professional application layer conversation, for example professional information such as traffic flow types, employed address, port numbers and QoS demand that comprise;
Step 404:AF is handed down to PCRF with service negotiation information;
Step 405:PCRF carries out service authorization, preserves business information, carries out binding session, recognizes to wait commence business corresponding AF session and which IP-CAN session association;
Step 406:PCRF returns acknowledge message and gives AF;
Step 407: after finishing the application layer service negotiation, subscriber equipment is initiated the service request of bearing bed, carries the qos requirement of each business data flow correspondence in the request message;
After step 408:PCEF receives request, carry out the mapping of required parameter, and solicited message is included in the Diameter CCR message, use Internet resources to the PCRF request for this business and authorize;
Step 409:,, then obtain and this user-dependent CAMEL-Subscription-Information to SPR if this moment, PCRF did not also have and user-dependent CAMEL-Subscription-Information according to user ID;
Step 410:PCRF according to user ID be connected the value that ability label is set up in the incidence relation of setting up ability label and connection, this user's subscriber equipment of perception only supports single the connection to set up, then PCRF is the control of the business execution user class of this this subscriber equipment initiation, and PCRF authorizes being connected according to can carrying out with QoS for the bandwidth of subscriber authorisation of user signing contract information description;
Step 411:PCRF is handed down to PCEF with Authorization result;
Step 412:PCEF carries out the authorization parameter mapping, and Authorization result is returned to subscriber equipment, comprises the QoS that can authorize etc., and wherein Transaction ID1 is a pair of session in order to identification of steps 307 and 312,
Step 413: the mandate QoS information that subscriber equipment returns according to PCEF, initiate the flow operation request to RAN,
Step 414:RAN revises the qos parameter of eating dishes without rice or wine to connect according to request,
Step 415:RAN returns flow operation response to subscriber equipment, and the parameter of eating dishes without rice or wine that will revise returns to subscriber equipment,
Step 416: subscriber equipment returns flow operation to RAN to be confirmed,
Step 417:RAN revises the QoS that A10 connects by the A11 login request message, with eat dishes without rice or wine to connect corresponding,
Step 418:PCEF returns A11 registration response to RAN,
Step 419: subscriber equipment sends to PCEF with the information such as TFT relevant with business data flow by RSVP message;
The response that step 420:PCEF receives to the subscriber equipment return messages.
Commence business for the single subscriber equipment of setting up that connects of above-mentioned support, the bandwidth and the QoS that carry out user class according to user signing contract information by PCRF guarantee, and according to the user class authorization message of PCRF, parameters such as the QoS of original connection and bandwidth are made amendment, thereby whole user's bandwidth and QoS grade are promoted, realize that the QoS of user class and bandwidth guarantee.When subscriber equipment stops business, then discharge QoS and bandwidth, default bandwidth and the QoS in the process set up in recovery IP-CAN session.Control by the dynamic strategy that above-mentioned flow process realization is commenced business to the single current subscriber equipment.
Embodiment three
PCRF commences business for the subscriber equipment of supporting multi-link foundation and implements the policy control process of business data flow level, and as shown in Figure 5, its flow process is described below:
Step 501: subscriber equipment is attached to network, and PCRF finishes the mandate of setting up at the IP-CAN session of this subscriber equipment.Because this subscriber equipment is single subscriber equipment that connects, therefore in request message, can not carry to connect and set up ability label, PCRF will connect and set up the ability label value for " 0 " after receiving request message, and preserve user ID simultaneously and be connected the incidence relation of setting up ability label with this.Detailed process is referring to embodiment one;
Step 502: the flow process of authorizing is set up in the IP-CAN session of following step 501 to describe, sets up the main service that is used for transport service control signaling and connect between UE and PCEF;
Step 503: network is initiated professional, finish and subscriber equipment between consult for example professional information such as traffic flow types, employed address, port numbers and QoS demand that comprise about this professional application layer conversation;
Step 504:AF is handed down to PCRF with business information;
Step 505:PCRF authorizes business, and preserves business information, carries out binding session, recognizes to wait commence business corresponding AF session and which IP-CAN session association;
Step 506:PCRF returns business information to AF affirmation is provided;
Step 507:,, then obtain and this user-dependent CAMEL-Subscription-Information to SPR if this moment, PCRF did not also have and user-dependent CAMEL-Subscription-Information according to user ID;
Step 508:PCRF according to user ID be connected the value that the incidence relation of setting up ability label and this connection set up ability label and be " 1 ", this user's subscriber equipment of perception is only supported multi-link foundation, and then PCRF should business carries out the policy control of business data flow for this.PCRF is that the professional QoS that carries out the business data flow level authorizes according to operator's local policy and application layer service negotiation information, and each business data flow that the business of being comprises uses Internet resources to carry out QoS and authorizes;
Step 509:PCRF will be handed down to PCEF with the form of PCC rule by Diameter RAR message for the QoS Authorization result of each business data flow;
Step 510:PCEF returns Diameter RAA response;
Step 511:PCEF carries out and authorizes the qos parameter mapping, and will return to subscriber equipment by RSVP message through the mandate QoS after the mapping;
Step 512: subscriber equipment returns the mandate QoS information of each business data flow and initiates corresponding flow operation request to RAN according to PCEF;
Step 513:RAN is according to the QoS information of each business data flow of subscriber equipment transmission, and connection is operated to eating dishes without rice or wine.If existing qos requirement coupling of eating dishes without rice or wine to connect with business data flow then utilizes this to eat dishes without rice or wine to connect this business data flow of carrying, if do not have, then RAN is newly-built is connected with eating dishes without rice or wine of mating of each business data flow QoS.If professional many business data flows that comprise have different qos requirements, then RAN need set up many connections of eating dishes without rice or wine with corresponding QoS for this reason;
Step 514:RAN returns the flow operation response to subscriber equipment;
Step 515: subscriber equipment returns flow operation to RAN and confirms;
Step 516:RAN sets up or revises by the A11 login request message and eats dishes without rice or wine to be connected the QoS that corresponding A10 connects;
Step 517:PCEF returns the A11 registration reply message to RAN;
Step 518: subscriber equipment sends to PCEF with the TFT information of each business data flow correspondence by Resv message;
Step 519:PCEF returns the Resvconf message response to subscriber equipment;
By above-mentioned flow process, just can carry out for the business of the subscriber equipment of supporting multi-link foundation, set up many connections, the QoS control of business data flow level is provided for business.
For realizing above policy control method, the present invention also provides a kind of policy controlling system, and this system comprises strategy execution network elements and the strategic decision-making network element that connects by network, wherein:
Described strategy execution network elements is used for that ability information is set up in the connection of subscriber equipment and sends to described strategic decision-making network element, and described connection is set up ability information and represented that described subscriber equipment supports multi-link foundation or support single the connection to set up; Described strategy execution network elements also is used to receive and carry out the control strategy that described strategic decision-making network element issues;
Described strategic decision-making network element, be used to receive the connection that described strategy execution network elements sends and set up ability information, also being used for setting up ability information according to described connection is that described subscriber equipment is formulated control strategy, and the control strategy of formulating is handed down to described strategy execution network elements, if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy.
Described connection is set up ability information and is comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID, and sets up user ID and the described incidence relation of setting up ability label that is connected; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
Described strategic decision-making network element also is used for obtaining described connection and sets up ability information during session foundation or session modification, and preserves described connection and set up ability information during described session.
Described strategic decision-making network element and strategy execution network elements have two kinds of specific implementations, and one, described current sessions is the IP-CAN session, described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF, and described PCEF resides in data network gateway P-GW; Two, described current sessions is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF, and described BBERF resides in the IAD of gateway or the non-3GPP of trusted.
Policy control mechanism can realize using Internet resources to implement the policy control of business data flow level at multi-link subscriber equipment, also can use Internet resources to implement the policy control of user class at single subscriber equipment that connects.In policy control method of the present invention and the system, strategic decision-making network element (PCRF) is set up the user ID of obtaining the current sessions subscriber equipment in the process is connected the ability of foundation with it incidence relation in session, and when the user commences business, ability is set up in connection with reference to its association, formulate data flow level control strategy or the user class control strategy conform to the subscriber equipment tenability, thereby better, the more rational Internet resources that carry out control.
Claims (10)
1. a policy control method is characterized in that, this method comprises:
The ability information obtaining step: the strategic decision-making network element obtains the connection of subscriber equipment and sets up ability information, and described connection is set up ability information and represented that described subscriber equipment supports multi-link foundation or support single the connection to set up;
The control strategy steps in decision-making: described strategic decision-making network element is set up ability information according to described connection, for described subscriber equipment is formulated control strategy: if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy;
The control strategy execution in step: described strategic decision-making network element is handed down to strategy execution network elements with the control strategy of formulating, and described strategy execution network elements is carried out described control strategy.
2. the method for claim 1, it is characterized in that: in the described ability information obtaining step, described connection is set up ability information and comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
3. the method for claim 1, it is characterized in that: in the described ability information obtaining step, described strategic decision-making network element obtains described connection and sets up ability information during session foundation or session modification, preserve described connection and set up ability information during described session.
4. as each described method in the claim 1 to 3, it is characterized in that: described session is the IP-CAN session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF.
5. as each described method in the claim 1 to 3, it is characterized in that: described session is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF.
6. a policy controlling system is characterized in that, this system comprises strategy execution network elements and the strategic decision-making network element that connects by network, wherein:
Described strategy execution network elements is used for that ability information is set up in the connection of subscriber equipment and sends to described strategic decision-making network element, and described connection is set up ability information and represented that described subscriber equipment supports multi-link foundation or support single the connection to set up; Described strategy execution network elements also is used to receive and carry out the control strategy that described strategic decision-making network element issues;
Described strategic decision-making network element, be used to receive the connection that described strategy execution network elements sends and set up ability information, also being used for setting up ability information according to described connection is that described subscriber equipment is formulated control strategy, and the control strategy of formulating is handed down to described strategy execution network elements, if described subscriber equipment is supported multi-link foundation, then formulate data flow level control strategy; If single connection of described subscriber equipment support sets up, then formulate the user class control strategy.
7. policy controlling system as claimed in claim 6, it is characterized in that: described connection is set up ability information and is comprised user ID and be connected the incidence relation of setting up ability label: if support the described subscriber equipment of multi-link foundation to be connected to network, then described strategic decision-making network element obtains to connect from strategy execution network elements sets up ability label and user ID, and sets up user ID and the described incidence relation of setting up ability label that is connected; If support single described subscriber equipment of setting up that connects to be connected to network, then described strategic decision-making network element obtains user ID from strategy execution network elements, and the connection of giving tacit consent to described user ID association is set up ability label for supporting single sign of setting up that connects.
8. policy controlling system as claimed in claim 6 is characterized in that: described strategic decision-making network element also is used for obtaining described connection and sets up ability information during session foundation or session modification, and preserves described connection and set up ability information during described session.
9. as each described policy controlling system in the claim 6 to 8, it is characterized in that: described session is the IP-CAN session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to strategy and charge execution function PCEF.
10. as each described policy controlling system in the claim 6 to 8, it is characterized in that: described session is a gateway control session, and described strategic decision-making network element is "Policy and Charging Rules Function PCRF; Described strategy execution network elements refers to bearing binding and event reporting function BBERF.
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| CN200910159121XA CN101945439A (en) | 2009-07-09 | 2009-07-09 | Policy control method and system |
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| CN102256231A (en) * | 2011-07-05 | 2011-11-23 | 中兴通讯股份有限公司 | Multi-network element fusion charging method and system, and charging gateway function |
| WO2012097698A1 (en) * | 2011-01-19 | 2012-07-26 | 中兴通讯股份有限公司 | Multi-connection service control system and multi-connection service traffic distribution method |
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| WO2012097698A1 (en) * | 2011-01-19 | 2012-07-26 | 中兴通讯股份有限公司 | Multi-connection service control system and multi-connection service traffic distribution method |
| CN102256231A (en) * | 2011-07-05 | 2011-11-23 | 中兴通讯股份有限公司 | Multi-network element fusion charging method and system, and charging gateway function |
| WO2014179919A1 (en) * | 2013-05-06 | 2014-11-13 | 华为技术有限公司 | Service control method, system and relevant device |
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