CN103096314A - Method, system and policy and charging rules function (PCRF) for achieving reflective quality of service (Qos) mechanism - Google Patents
Method, system and policy and charging rules function (PCRF) for achieving reflective quality of service (Qos) mechanism Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/66—Policy and charging system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0893—Assignment of logical groups to network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/80—Rating or billing plans; Tariff determination aspects
- H04M15/8016—Rating or billing plans; Tariff determination aspects based on quality of service [QoS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0894—Policy-based network configuration management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
Abstract
The invention discloses a method, a system and a policy and charging rules function (PCRF) for achieving a reflective quality of service (QoS) mechanism. The method comprises the steps that in the process that an authentication is established or accessed in a tunnel, the 3rd generation partnership project authentication authorization accounting (3GPP AAA) server decides whether user equipment (EU) implements the reflective QoS mechanism or not; the PCRF obtains the decision result that whether the reflective QoS mechanism is implemented or not, generates corresponding strategy according to the decision result and provides the strategy to a broadband forum (BBF) access network for implementation. The method, the system and the PCRF for achieving the reflective QoS mechanism on one hand supports all the access scenes in which the 3GPP and the BBF are connected and communicated mutually, and on the other hand whether the UE implements the reflective QoS or not can be effectively controlled by a network, so that a legal UE can be protected and an illegal UE can be prevented from preempting the network resource.
Description
Technical field
The present invention relates to third generation partner program (3GPP, 3rd Generation Partnership Project) and the broadband (BBF of forum, Broadband Forum) interconnection and interflow technical field, relate in particular to method, system and the PCRF of a kind of realization reflection service quality (QoS, Quality of Service) mechanism.
Background technology
grouping system (the EPS of existing 3GPP evolution, Evolved Packet System) structure composed as shown in Figure 1, in the EPS of the non-roaming scene shown in Figure 1 network architecture, universal mobile telecommunications system land radio access web (the E-UTRAN that comprises evolution, Evolved Universal Terrestrial Radio Access Network), mobile management unit (MME, Mobility Management Entity), gateway (S-GW, Serving Gateway), grouped data network gateway (P-GW, Packet Data Network Gateway, also referred to as PDN GW), home subscriber server (HSS, Home Subscriber Server), "Policy and Charging Rules Function entity (PCRF, Policy and Charging Rules Function) and other support nodes.
Wherein, PCRF is that the core of (PCC) is controlled in strategy and charging, is responsible for the formulation of strategic decision-making and charging regulation.PCRF provides the network control rule of service based data flow, and these network controls comprise that detection, gate (Gating Control), the QoS of business data flow control and the charging regulation of data flow-based etc.PCRF sends to strategy and charging execution function entity (PCEF with strategy and the charging regulation of its formulation, Policy and Charging Enforcement Function) carry out, simultaneously, PCRF needs also to guarantee that these rules are consistent with user's CAMEL-Subscription-Information.PCRF generates strategy and the foundation of charging regulation comprises: obtain information with traffic aided from Application Function (AF, Application Function); (SPR, Subscription Profile Repository) obtains user policy, billing control and subscription information from user-subscribed database; Obtain and the information of carrying network of relation from PCEF.
EPS supports the intercommunication with non-3 GPP system, and the intercommunication of EPS and non-3 GPP system is by the S2a/b/c Interface realization, and P-GW is as the anchor point between 3GPP and non-3 GPP system.As shown in Figure 1, wherein, non-3 GPP system is divided into the non-3GPP IP access of trusted and trustless non-3GPP IP access.The non-3GPP IP access of trusted can directly be connected with P-GW by the S2a interface; Trustless non-3GPP IP access needs the packet data gateway (ePDG through evolution; Evolved Packet Data Gateway) be connected with P-GW; interface between ePDG and P-GW is the S2b interface; and adopt Internet protocol safety (IPSec) to be encrypted protection to signaling and data between subscriber equipment (UE, User Equipment) and ePDG.The S2c interface provides UE control and the mobility support relevant to user's face between P-GW, the mobility management protocol of its support is for supporting the mobile IP v 6 (DSMIPv6, Mobile IPv6support for dual stack Hosts and Routers) of two stacks.
At present, a lot of operators pay close attention to fixed network mobile fusion (FMC, Fixed Mobile Convergence), and study for 3GPP and BBF interconnection and interflow.For the scene of user by BBF access mobile core net, need to the QoS on the whole transmission path (data can be transmitted through fixed network and mobile network) of data be guaranteed.In prior art, control framework (BPCF, Broadband Policy Control Framework) by the broadband policy in PCRF and BBF access and carry out alternately, realize that QoS ensures.BPCF is the policy control architecture in the BBF access, resource request message to PCRF, BPCF according to the network strategy of BBF access, CAMEL-Subscription-Information etc. carry out resource and admission control or with resource request message be transmitted to other network elements of BBF Access Network, as wideband network gateway (BNG, Broadband Network Gateway), then by other network elements carry out resource and admission control (namely entrusting other network elements to carry out resource and admission control).Such as: when UE accesses the 3GPP core net by WLAN (wireless local area network) (WLAN), be no more than the bandwidth (the greatest physical bandwidth of supporting as signing bandwidth or this circuit) of this circuit for the total bandwidth need that guarantees all the UE access service by the access of WLAN line attachment, PCRF need to be mutual with BPCF when carrying out the QoS mandate, controls so that the BBF Access Network is carried out the admittance of resource.
The research that present 3GPP and BBF interconnect mainly comprises two aspects: 3GPP UE is by the packet-based core networks (EPC of the WLAN access evolution of BBF, Evolved Packet Core) scene and 3GPPUE are by the scene of H (e) NB access 3GPP core net, wherein, H (e) NB is connected to the 3GPP core net with the BBF Access Network as Backhaul (routed path).
Fig. 2 is in prior art, and UE accesses the configuration diagram of 3GPP core net by WLAN, and as shown in Figure 2, the BBF Access Network is as fly-by-night non-3GPP access.At present, based on framework shown in Figure 2, in the process of UE by BBF Access Network access EPC, can set up the S9a session between BPCF and PCRF, in order to carry out tactful intercommunication in prior art.When UE carries out Operational Visit when needing network to be its Resources allocation, at first PCRF sends to BPCF with the QoS information of the PCC rule formulated, controls so that the BBF Access Network is carried out to admit.Then, PCRF sends to PCEF with the PCC rule of BBF Access Network acceptance.Downlink data for business data flow, PCEF carries out differentiated services code points (DSCP according to the PCC rule to the head (being called inner packet header) of the IP of corresponding data flow downlink data bag, Differentiated Services Code Point) mark, when the downlink data IP of this business data flow bag arrives ePDG, ePDG will carry out the IPSec encapsulation to IP bag, and according to the DSCP of IP bag (inner packet header), the head (being called outside packet header) of the IP bag of IPSec be carried out mark when encapsulation.Like this, the BBF Access Network just can carry out package forward according to the DSCP of the IP packet header of IPSec.Upstream data for business data flow, the qos policy that can't obtain to formulate due to UE, provide the QoS that a kind of mechanism that is called reflection (Reflective) QoS realizes the business data flow upstream data to control in prior art, its main thought is: UE carries out the DSCP mark according to the DSCP value of the downlink data of business data flow to upstream data corresponding to this business data flow downlink data, and the upstream data of business data flow and the IP of downlink data bag n tuple (n-tuple) are symmetrical.
In prior art, for the scene of UE by BBF Access Network access EPC, when UE access BBF Access Network is carried out the 3GPP-based access authentication, whether 3GPP AAA (Authentication Authorization Accounting, authentication and authorization charging) server will carry out the decision of reflective QoS mechanism is notified to UE.Yet there is following defective in the method:
At first, not every UE carries out the 3GPP-based access authentication when access BBF Access Network;
Secondly, in the method, network can't effectively be controlled the UE that carries out not according to network decision, even network indicates this UE not carry out reflective QoS mechanism, but UE still carries out reflective QoS mechanism, and network can't stop this UE to seize the resource of other UE.
At present, for the scene of UE by BBF Access Network shunting access service, can adopt Reflective QoS mechanism to realize that the QoS of business data flow upstream data controls, yet prior art does not also propose a kind of method notice UE and whether carries out reflective QoS mechanism, and makes network to control accordingly.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method, system and PCRF that realizes reflecting QoS mechanism, can whether carry out reflection QoS mechanism to UE and control effectively.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of method that realizes reflecting QoS mechanism, the method comprises:
In building tunnel authentication or access authentication procedure, whether third generation partner program authentication and authorization charging 3GPP aaa server decision-making user equipment (UE) carries out reflection service quality QoS mechanism;
Described PCRF obtains the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the broadband BBF of forum Access Network according to the described result of decision and carry out.
The method further comprises:
Described 3GPP aaa server is according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, and whether the described UE of decision-making carries out reflection QoS mechanism.
Described PCRF formulates corresponding strategy according to the described result of decision, is specially:
If described 3GPP aaa server decision-making UE carries out reflection QoS mechanism, described PCRF formulates strategy and charging control PCC rule and/or the QoS rule of reflection QoS mechanism;
If described 3GPP aaa server decision-making UE does not carry out reflection QoS mechanism, described PCRF formulation is not PCC rule and/or the QoS rule of reflection QoS mechanism.
Described PCRF formulates corresponding strategy according to the described result of decision, is specially:
If described 3GPP aaa server decision-making UE carries out reflection QoS mechanism, described PCRF provides the indication of carrying out reflection QoS mechanism to described BBF Access Network.
Before whether described 3GPPAAA server decision-making UE carried out reflection QoS mechanism, the method further comprised:
The local ip address of the described UE that described 3GPP aaa server provides according to packet data gateway ePDG or the grouped data network gateway P-GW of evolution or the described UE of access network type judgement are by described BBF Access Network access.
Before whether described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, the method further comprised:
Described 3GPP aaa server accesses by described BBF Access Network according to access network type or the described UE of local configuration determination that described BBF Access Network reports.
PCC rule and/or the QoS rule of the reflection QoS mechanism that described PCRF formulates are to keep priority ARP identical for the PCC rule of same business data flow up-downlink direction and/or QoS classification logotype QCI and/or the distribution of QoS rule.
The method further comprises:
Described PCRF obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
The present invention also provides a kind of system that realizes reflecting QoS mechanism, and this system comprises: third generation partner program authentication and authorization charging 3GPP aaa server, "Policy and Charging Rules Function entity PCRF, wherein,
Described 3GPP aaa server is used in building tunnel authentication or access authentication procedure, and whether the decision-making user equipment (UE) carries out reflection service quality QoS mechanism;
Described PCRF is used for obtaining the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the broadband BBF of forum Access Network according to the described result of decision and carry out.
Described 3GPP aaa server is further used for, and according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, whether the described UE of decision-making carries out reflection QoS mechanism.
Described PCRF is further used for,
When described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, described PCRF formulated strategy and charging control PCC rule and/or the QoS rule of reflection QoS mechanism;
When described 3GPP aaa server decision-making UE did not carry out reflection QoS mechanism, it was not PCC rule and/or the QoS rule of reflection QoS mechanism that described PCRF formulates.
Described PCRF is further used for, and when described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, described PCRF provided the indication of carrying out reflection QoS mechanism to described BBF Access Network.
Described 3GPP aaa server is further used for, and before whether decision-making UE carried out reflection QoS mechanism, the local ip address of the described UE that provides according to ePDG or P-GW or the described UE of access network type judgement were by described BBF Access Network access.
Described 3GPP aaa server is further used for, and before whether decision-making UE carried out reflection QoS mechanism, the access network type or the described UE of local configuration determination that report according to described BBF Access Network accessed by described BBF Access Network.
PCC rule and/or the QoS rule of the reflection QoS mechanism that described PCRF formulates be, and be identical for QCI and/or the ARP of the PCC rule of same business data flow up-downlink direction and/or QoS rule.
Described PCRF is further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
The present invention also provides a kind of PCRF that realizes reflecting QoS mechanism, comprising:
Result of decision acquisition module is used for obtaining whether to carry out for user equipment (UE) the result of decision of reflection service quality QoS mechanism in building tunnel authentication or access authentication procedure;
The policy development module is used for formulating corresponding strategy and offering the broadband BBF of forum Access Network according to the described result of decision carrying out.
Described policy development module is further used for,
When the described result of decision was UE execution reflection QoS mechanism, the strategy of formulation reflection QoS mechanism and charging control PCC rule and/or QoS were regular;
Be that UE does not carry out reflection QoS when mechanism in the described result of decision, formulating is not PCC rule and/or the QoS rule of reflection QoS mechanism.
Further comprise: the indication sending module is used for providing the indication of carrying out reflection QoS mechanism to described BBF Access Network when the described result of decision is UE execution reflection QoS mechanism.
PCC rule and/or the QoS rule of the reflection QoS mechanism of described formulation are to keep priority ARP identical for the PCC rule of same business data flow up-downlink direction and/or QoS classification logotype QCI and/or the distribution of QoS rule.
Described result of decision acquisition module is further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
A kind of method, system and PCRF that realizes reflecting QoS mechanism provided by the present invention, in building tunnel verification process or access authentication procedure, whether 3GPP aaa server decision-making UE carries out reflection QoS mechanism; PCRF obtains the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the BBF Access Network according to the described result of decision and carry out.The present invention can support all access scenes that 3GPP and BBF interconnect, and by the present invention, whether network can carry out reflection QoS mechanism to UE control effectively, and can protect legal UE, stops illegal UE to seize Internet resources.
Description of drawings
Fig. 1 is the schematic diagram of existing EPS network structure composed;
Fig. 2 is that in prior art, UE accesses the configuration diagram of 3GPP core net by the WLAN Access Network;
Fig. 3 is a kind of method flow diagram of realizing reflecting QoS mechanism of the embodiment of the present invention;
Fig. 4 is that in the embodiment of the present invention, UE is by under trustless BBF Access Network access 3GPP core net, non-roaming scene, and whether network carries out to UE the flow chart one that Reflective QoS mechanism is carried out strategic decision-making;
Fig. 5 is that in the embodiment of the present invention, UE is by under trustless BBF Access Network access 3GPP core net, non-roaming scene, and whether network carries out to UE the flowchart 2 that Reflective QoS mechanism is carried out strategic decision-making;
Fig. 6 is that in the embodiment of the present invention, UE is by the fixed broadband Access Network, and when adopting DSMIPv6 agreement access 3GPP core net, whether network carries out to UE the flow chart one that Reflective QoS mechanism is carried out strategic decision-making;
Fig. 7 is that in the embodiment of the present invention, UE is by the fixed broadband Access Network, and when adopting DSMIPv6 agreement access 3GPP core net, whether network carries out to UE the flowchart 2 that Reflective QoS mechanism is carried out strategic decision-making;
Fig. 8 is that in the embodiment of the present invention, UE shunts under the Operational Visit scene by the fixed broadband Access Network, and whether network carries out to UE the flow chart that Reflective QoS mechanism is carried out strategic decision-making;
Fig. 9 is the composition structural representation of a kind of PCRF of the embodiment of the present invention.
Embodiment
The technical solution of the present invention is further elaborated below in conjunction with the drawings and specific embodiments.
A kind of method that realizes reflecting QoS mechanism provided by the present invention as shown in Figure 3, the method mainly comprises the following steps:
Step 301, in building tunnel verification process or access authentication procedure, whether 3GPP aaa server decision-making UE carries out Reflective QoS mechanism.
The 3GPP aaa server can be according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, and whether the described UE of decision-making carries out reflection QoS mechanism.
Concrete, if 3GPP aaa server decision-making UE carries out reflection QoS mechanism, PCRF formulates PCC rule and/or the QoS rule of reflection QoS mechanism; If 3GPP aaa server decision-making UE does not carry out reflection QoS mechanism, the PCRF formulation is not PCC rule and/or the QoS rule of reflection QoS mechanism.Wherein, PCC rule and/or the QoS rule of the reflection QoS mechanism that PCRF formulates are, QoS classification logotype (QCI for PCC rule and/or the QoS rule of same business data flow up-downlink direction, QoS Class Identifier) and/or distribute to keep priority (ARP, Allocation and Retention Priority) identical.
Further, if 3GPP aaa server decision-making UE carries out reflection QoS mechanism, PCRF can provide the indication of carrying out reflection QoS mechanism to the BBF Access Network.
Further, before whether 3GPPAAA server decision-making UE carried out reflection QoS mechanism, the local ip address of the described UE that the 3GPPAAA server provides according to ePDG or P-GW or the described UE of access network type judgement were by described BBF Access Network access;
Perhaps, the 3GPP aaa server accesses by described BBF Access Network according to access network type or the described UE of local configuration determination that described BBF Access Network reports.
Further, PCRF can obtain the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or BPCF.
The method of corresponding above-mentioned realization reflection QoS mechanism, the present invention also provides a kind of system that realizes reflecting QoS mechanism, comprising: 3GPP aaa server and PCRF.Wherein, the 3GPP aaa server is used in building tunnel verification process or access authentication procedure, and whether decision-making UE carries out reflection QoS mechanism.PCRF is used for obtaining the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the BBF Access Network according to the described result of decision and carry out.
The 3GPP aaa server is further used for, and according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, whether the described UE of decision-making carries out reflection QoS mechanism.
PCRF is further used for, and when 3GPP aaa server decision-making UE carries out reflection QoS mechanism, formulates PCC rule and/or the QoS rule of reflection QoS mechanism; When described 3GPP aaa server decision-making UE did not carry out reflection QoS mechanism, formulating was not PCC rule and/or the QoS rule of reflection QoS mechanism.Wherein, PCC rule and/or the QoS rule of the reflection QoS mechanism that PCRF formulates be, and be identical for QCI and/or the ARP of the PCC rule of same business data flow up-downlink direction and/or QoS rule.
PCRF is further used for, and when 3GPP aaa server decision-making UE carries out reflection QoS mechanism, provides the indication of carrying out reflection QoS mechanism to the BBF Access Network.
The 3GPP aaa server is further used for, and before whether decision-making UE carried out reflection QoS mechanism, the local ip address of the described UE that provides according to ePDG or P-GW or the described UE of access network type judgement were by described BBF Access Network access;
Perhaps, the access network type or the described UE of local configuration determination that report according to described BBF Access Network access by described BBF Access Network.
The 3GPP aaa server also can be further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or BPCF.
In addition, embodiments of the invention also provide a kind of PCRF that realizes reflecting QoS mechanism, and it forms structure as shown in Figure 9, mainly comprises: result of decision acquisition module 10 and policy development module 20.Wherein, result of decision acquisition module 10 is used for obtaining whether to carry out for UE the result of decision of reflection QoS mechanism in building tunnel authentication or access authentication procedure; Policy development module 20 is used for formulating corresponding strategy and offering the BBF Access Network according to the described result of decision carrying out.
When the result of decision is UE execution reflection QoS mechanism, formulate PCC rule and/or the QoS rule of reflection QoS mechanism, PCC rule and/or the QoS rule of described reflection QoS mechanism be, and be identical for QCI and/or the ARP of the PCC rule of same business data flow up-downlink direction and/or QoS rule;
Be that UE does not carry out reflection QoS when mechanism in the result of decision, formulating is not PCC rule and/or the QoS rule of reflection QoS mechanism.
PCRF also further comprises: indication sending module 30, connect result of decision acquisition module 10, and be used for providing the indication of carrying out reflection QoS mechanism to the BBF Access Network when the result of decision is UE execution reflection QoS mechanism.
Result of decision acquisition module 10 is further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or BPCF.
Further elaborate below in conjunction with the method and system of specific embodiment to the above-mentioned Reflective of realization QoS mechanism.
Embodiments of the invention one as shown in Figure 4, Fig. 4 is UE by under trustless BBF Access Network access 3GPP core net, non-roaming scene, whether network carries out to UE the flow process that Reflective QoS mechanism is carried out strategic decision-making.In Fig. 4, adopt GPRS Tunnel Protocol (GTP, GPRSTunnel Protocol) agreement between ePDG and P-GW.This flow process mainly comprises the following steps:
Step 401, alternatively, after UE access BBF connecting system, execution is based on the access authentication of 3GPP, UE provides international mobile subscriber identity (IMSI, International Mobile Subscriber Identification Number), is used for access authentication.
In access authentication procedure, the 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification.Alternatively, at first whether UE carry out it ability indication notice of reflective QoS mechanism to the 3GPP aaa server, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Step 402, UE obtains local ip address from the BBF Access Network, and this address is distributed by home gateway (RG, Residential Gateway) or BNG.
Step 403, the triggering of receiving step 401 or step 402, the notified UE access of BPCF BBF Access Network.If in step 401, whether 3GPP AAA carries out reflective QoS mechanism to this UE is carried out decision-making, and BPCF obtains this result of decision.
Step 404, BPCF sends gateway control session to PCRF and sets up message, wherein carries user ID, the local ip address of UE.If in step 403, BPCF has obtained the result of decision whether this UE carries out reflective QoS mechanism, and BPCF sends to PCRF with the result of decision.
Step 405, PCRF returns to gateway control session to BPCF and sets up acknowledge message.
Optionally, contracted user's strategic decision-making that PCRF needs and SPR obtains the user alternately.
Step 406 after UE selects ePDG, is initiated Internet Key Exchange (IKEv2) tunnel establishment procedure, and adopts Extensible Authentication Protocol (EAP, Extensible Authentication Protocol) to authenticate.If there are NA (P) T (as there being NA (P) T on RG) in UE and ePDG, the IKEv2 signaling will be carried out network address translation (NAT, Network Address Translation) and pass through so.In the process that ipsec tunnel is set up, the 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification, ePDG can obtain this decision-making.
Optionally, at first whether UE carry out it ability indication notice of reflective QoS mechanism to the 3GPPAAA server, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Optionally, ePDG also can send to the 3GPP aaa server with local ip address or access network type, the 3GPP aaa server accesses by the BBF Access Network according to local ip address or access network type judgement UE, thereby determines further whether this UE carries out reflective QoS mechanism.
May pass through NA (P) T and pass through due to the IKEv2 signaling, therefore, source address and source port number when the source address that ePDG receives may send from UE with source port number are different.Do not pass through if pass through NA (P) T, source address is the local ip address that UE obtains when access BBF Access Network.
For the scene that does not have NA (P) T between UE and ePDG, the source address of the IKEv2 signaling that UE that ePDG receives sends is the local ip address that the BBF Access Network distributes, and the business data flow that can this UE of unique identification be encapsulated by this ipsec tunnel of this address.
For there being the scene of (1: 1) NAT between UE and ePDG, the source address of the IKEv2 signaling that the UE that ePDG receives sends is through the public network IP address after NAT, but owing to being (1: 1) NAT, the business data flow that this address still can this UE of unique identification be encapsulated by this ipsec tunnel.
For there being (N: the 1) scene of NAT (being NAPT) between UE and ePDG, business data flow need to carry out User Datagram Protocol (UDP when passing through NAT, User Datagram Protocol) encapsulation, NAPT can distribute source udp port number (for the up direction of UE) for this ipsec tunnel.Therefore, the business data flow that is encapsulated by this ipsec tunnel for this UE of unique identification, at least source address (the i.e. public network IP address after BBF Access Network NAT that needs the IKEv2 signaling that UE that ePDG receives sends, if NAT is positioned at RG, this address is exactly the address of RG) and the source port number of the IKEv2 signaling that sends of the UE that receives of ePDG (be IPSec source udp port number).
For convenience of describing, UE by the IP address of NAT also referred to as local ip address.
Step 407, after ePDG selects P-GW, send to P-GW and create conversation request message, carry user ID, the packet data network (PDN of UE in creating conversation request message, Packet Data Network) sign and local ip address and source udp port number (if NA (P) T detected, carry in message source udp port number).
The decision-making whether ePDG can also carry out the network decision UE that obtains in step 406 reflective QoS mechanism sends to P-GW.
Step 408, P-GW is UE distributing IP address, the PCEF that is positioned at P-GW sends IP-CAN session establishment Indication message to PCRF, carry in IP-CAN session establishment Indication message UE user ID, PDN sign, be IP address, UE local ip address and the source udp port of UE distribution number (if NA (P) T detected, carry in message source udp port number).Simultaneously, P-GW can determine network that also the decision-making whether UE carries out reflective QoS mechanism sends to PCRF.
Step 409 when PCRF formulates the PCC rule, except considering subscription data, network strategy and Access Network attribute etc., also will determine whether UE carries out the decision-making of reflective QoS mechanism according to network.If network determines UE and carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, be QoS classification logotype (QCI, QoS Class Identifier) and/or distribute to keep priority (ARP, Allocation and Retention Priority) identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.
PCRF sends to PCEF with the PCC rule of formulating by IP-CAN session establishment acknowledge message.
Further, PCRF is according to PCC Rulemaking QoS rule.
Step 410, P-GW send to upgrade P-GW IP address message to AAA Server, and the address of P-GW is sent to AAA Server, and AAA Server is further mutual with HSS and the address of P-GW is saved in HSS.
Step 411, P-GW returns to ePDG and creates the session acknowledge message, carries the IP address that promising UE distributes in creating the session acknowledge message.
Step 412 is set up ipsec tunnel between UE and ePDG.
Step 413, ePDG sends the last item IKEv2 signaling to UE, wherein carries the IP address of UE.
Step 414, if step 404, step 405 are carried out, PCRF carries out gateway control and the QoS rule provides flow process, provides UE local ip address, source udp port number (if NA (P) T detected to BPCF, source udp port number is provided), and the QoS that formulates rule.
If there is no execution in step 404, step 405, PCRF carries out the gateway control session Establishing process that PCRF initiates, provide UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.
Step 415, BPCF offers BNG/ Broadband Remote Access Server (BRAS, Broadband Remote Access Server) with strategy.
By above-mentioned flow process, UE has obtained network and has determined whether UE carries out the decision-making of Reflective QoS mechanism, and PCRF has also obtained this decision-making simultaneously.After this, when UE carries out Operational Visit when needing network to be its Resources allocation, PCRF will consider this decision information when formulating the PCC rule, concrete: if determining UE, network carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, and namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.Then, PCRF sends to BPCF with the QoS information of the PCC rule of formulation, controls and strategy execution so that the BBF Access Network is carried out to admit.The BBF Access Network can be mapped to specific DSCP according to QCI and/or ARP, so the BBF Access Network bandwidth corresponding to each DSCP of each UE of strategy decision that can provide according to PCRF.
Certainly, PCRF can also notify this UE of BBF Access Network whether to carry out Reflective QoS mechanism by an explicit indication of whether carrying out Reflective QoS mechanism is provided to the BBF Access Network.As when carrying out Reflective QoS mechanism, PCRF provides to BPCF and carries out the indication of Reflective QoS mechanism, and just the QCI of the same business data flow up-downgoing of this UE and/or ARP are identical (even the PCC rule that PCRF issues or the QCI in the QoS rule and/or ARP are different) to the BBF Access Network as can be known at this moment.
In prior art, the BBF Access Network can be realized the limit bandwidth of per UE per DSCP, therefore in conjunction with embodiments of the invention, whether PCRF allows UE to carry out the different policy distribution of the decision-making of Reflective QoS mechanism to the BBF Access Network for network, whether the BBF Access Network just can carry out Reflective QoS mechanism to UE control effectively, and especially also can control effectively to those UE that carry out Reflective QoS mechanism not according to network decision.
Embodiments of the invention two as shown in Figure 5, Fig. 5 is UE by under trustless BBF Access Network access 3GPP core net, non-roaming scene, whether network carries out to UE the flow process that Reflective QoS mechanism is carried out strategic decision-making.In Fig. 5, adopt proxy mobile IPv 6 (PMIPv6) agreement between ePDG and P-GW.This flow process mainly comprises the following steps:
Step 501～506 are identical with step 401～406, repeat no more herein.
Step 507, ePDG sends gateway control session to PCRF and sets up message, wherein carries user ID, PDN sign and the local ip address of UE and source udp port number (if NA (P) T detected, carry in message source udp port number).
The decision-making whether ePDG also can carry out the network decision UE that obtains in step 506 reflective QoS mechanism sends to PCRF.
Step 508, PCRF returns to gateway control session to ePDG and sets up acknowledge message.
Step 509 after ePDG selects P-GW, sends agent binding update messages to P-GW, carries user ID and the PDN sign of UE in agent binding update messages.
Step 510, P-GW is UE distributing IP address, the PCEF that is positioned at P-GW sends IP-CAN session establishment Indication message to PCRF, carry in IP-CAN session establishment Indication message UE user ID, PDN sign, be the IP address of UE distribution.
Step 511, PCRF is according to user ID and the judgement of PDN sign, if there is no relevant user contracting data, PCRF will obtain CAMEL-Subscription-Information alternately with SPR.When PCRF formulates the PCC rule, except considering subscription data, network strategy and Access Network attribute etc., also to determine whether UE carries out the decision-making of reflective QoS mechanism according to network.If network determines UE and carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is identical, namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.
PCRF sends to PCEF with the PCC rule of formulating by IP-CAN session establishment acknowledge message.
Further, PCRF is according to PCC Rulemaking QoS rule.
Step 512, P-GW send to upgrade P-GW IP address message to AAA Server, and the address of P-GW is sent to AAA Server, and AAA Server is further mutual with HSS and the address of P-GW is saved in HSS.
Step 513, P-GW returns to proxy binding acknowledgment messages to ePDG, carries the IP address that promising UE distributes in proxy binding acknowledgment messages.
Step 514, the agent binding update success is set up ipsec tunnel between UE and ePDG.
Step 515, ePDG sends the last item IKEv2 signaling to UE, wherein carries the IP address of UE.
Step 516, if step 504, step 505 are carried out, PCRF carries out gateway control and the QoS rule provides flow process, provides UE local ip address, source udp port number (if NA (P) T detected to BPCF, source udp port number is provided), and the QoS that formulates rule.If there is no execution in step 404, step 405, PCRF carries out the gateway control session Establishing process that PCRF initiates, provide UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.
Step 517, BPCF offers BNG/BRAS with strategy.
By above-mentioned flow process, UE has obtained network and has determined whether UE carries out the decision-making of Reflective QoS mechanism, and PCRF has also obtained this decision-making simultaneously.After this, when UE carries out Operational Visit when needing network to be its Resources allocation, PCRF will consider this decision information when formulating the PCC rule, concrete: if determining UE, network carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, and namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.Then, PCRF sends to BPCF with the QoS information of the PCC rule of formulation, controls and strategy execution so that the BBF Access Network is carried out to admit.The BBF Access Network can be mapped to specific DSCP according to QCI and/or ARP, therefore, and bandwidth corresponding to each DSCP of each UE of strategy decision that the BBF Access Network can provide according to PCRF.
Certainly, PCRF can also notify this UE of BBF Access Network whether to carry out Reflective QoS mechanism by an explicit indication of whether carrying out Reflective QoS mechanism is provided to the BBF Access Network.As when carrying out Reflective QoS mechanism, PCRF provides to BPCF and carries out the indication of Reflective QoS mechanism, and just the QCI of the same business data flow up-downgoing of this UE and/or ARP are identical (even the PCC rule that PCRF issues or the QCI in the QoS rule and/or ARP are different) to the BBF Access Network as can be known at this moment.
In prior art, the BBF Access Network can be realized the limit bandwidth of per UE per DSCP, therefore in conjunction with embodiments of the invention, whether PCRF allows UE to carry out the different policy distribution of the decision-making of Reflective QoS mechanism to the BBF Access Network for network, whether the BBF Access Network just can carry out Reflective QoS mechanism to UE control effectively, and especially also can control effectively to those UE that carry out Reflective QoS mechanism not according to network decision.
Embodiments of the invention three as shown in Figure 6, Fig. 6 is that UE passes through the fixed broadband Access Network, when adopting DSMIPv6 agreement access 3GPP core net, whether network carries out to UE the flow process that Reflective QoS mechanism is carried out strategic decision-making.In Fig. 6, the fixed broadband Access Network is as the trusted non-3 GPP access network.This flow process mainly comprises the following steps:
Step 601, alternatively, UE carries out the access authentication flow process based on 3GPP that the fixed broadband Access Network participates in.
In access authentication procedure, the 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification.Alternatively, at first whether UE carry out it ability indication notice of reflective QoS mechanism to the 3GPP aaa server, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Step 602, UE obtains local ip address as the Care-of Address CoA of UE from the fixed broadband Access Network.
Step 603, the triggering of step 601 and step 602, BPCF knows that UE is just accessing the fixed broadband Access Network.If in step 601, whether 3GPP AAA carries out reflective QoS mechanism to this UE is carried out decision-making, and BPCF obtains this result of decision.
Step 604, after BPCF received triggering, BPCF initiated gateway control session to PCRF and sets up.BPCF carries user ID, IP-CAN type in message.If in step 603, BPCF has obtained the result of decision whether this UE carries out reflective QoS mechanism, and BPCF sends to PCRF with the result of decision.
Step 605, UE carries out self-starting (Bootstraping) flow process.UE finds P-GW, and in order to protect the DSMIPv6 message between UE and P-GW, UE uses IKEv2 to set up Security Association, and adopts EAP to authenticate.P-GW and AAA Server (AAA Server is further mutual with HSS) communicate to complete EAP authentication, and P-GW is that UE distributes an IPv6 address prefix simultaneously, and UE is according to this prefix structure IPv6 address home address (HoA) as UE.In the process that ipsec tunnel is set up, the 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification, ePDG can obtain this decision-making.
Optionally, at first whether UE carry out it ability indication notice 3GPPAAA server of reflective QoS mechanism, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Optionally, ePDG also can send to the 3GPP aaa server with local ip address or access network type, the 3GPP aaa server accesses by the BBF Access Network according to local ip address or access network type judgement UE, thereby determines further whether this UE carries out reflective QoS mechanism.
Step 606, UE sends the DSMIPv6 binding update messages to P-GW, wherein carries HoA and CoA.
Step 607, P-GW sends IP-CAN session establishment Indication message to PCRF, carries user ID, HoA, UE local address (being CoA) and the source udp port number (if NAT detected, carry in message source udp port number) of UE in message.
Step 608 when PCRF formulates the PCC rule, except considering subscription data, network strategy and Access Network attribute etc., also will determine whether UE carries out the decision-making of reflective QoS mechanism according to network.If network determines UE and carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is identical, namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.
PCRF sends to PCEF with the PCC rule of formulating by IP-CAN session establishment acknowledge message.
Further, PCRF is according to PCC Rulemaking QoS rule.PCRF returns to acknowledge message to PCEF, wherein carries the PCC rule.
Step 609, P-GW returns to binding acknowledgement message to UE.
Step 610, if step 604 is carried out, PCRF carries out gateway control and the QoS rule provides flow process, provides UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.If there is no execution in step 604, PCRF carries out the gateway control session Establishing process that PCRF initiates, provide UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.
Step 611, BPCF offers BNG/BRAS with strategy.
By above-mentioned flow process, UE has obtained network and has determined whether UE carries out the decision-making of Reflective QoS mechanism, and PCRF has also obtained this decision-making simultaneously.After this, when UE carries out Operational Visit when needing network to be its Resources allocation, PCRF will consider this decision information when formulating the PCC rule, concrete: if determining UE, network carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, and namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.Then, PCRF sends to BPCF with the QoS information of the PCC rule of formulation, controls and strategy execution so that the BBF Access Network is carried out to admit.The BBF Access Network can be mapped to specific DSCP according to QCI and/or ARP, therefore, and bandwidth corresponding to each DSCP of each UE of strategy decision that the BBF Access Network can provide according to PCRF.
Certainly, PCRF can also notify this UE of BBF Access Network whether to carry out Reflective QoS mechanism by an explicit indication of whether carrying out Reflective QoS mechanism is provided to the BBF Access Network.As when carrying out Reflective QoS mechanism, PCRF provides to BPCF and carries out the indication of Reflective QoS mechanism, and just the QCI of the same business data flow up-downgoing of this UE and/or ARP are identical (even the PCC rule that PCRF issues or the QCI in the QoS rule and/or ARP are different) to the BBF Access Network as can be known at this moment.
In prior art, the BBF Access Network can be realized the limit bandwidth of per UE per DSCP, therefore in conjunction with embodiments of the invention, whether PCRF allows UE to carry out the different policy distribution of the decision-making of Reflective QoS mechanism to the BBF Access Network for network, whether the BBF Access Network just can carry out Reflective QoS mechanism to UE control effectively, and especially also can control effectively to those UE that carry out Reflective QoS mechanism not according to network decision.
Embodiments of the invention four as shown in Figure 7, Fig. 7 is that UE passes through the fixed broadband Access Network, when adopting DSMIPv6 agreement access 3GPP core net, whether network carries out to UE the flow process that Reflective QoS mechanism is carried out strategic decision-making.In its Fig. 7, the fixed broadband Access Network is as trustless non-3 GPP access network.This flow process mainly comprises the following steps:
Step 701～704 are identical with step 601～604.
Step 705, UE initiates the IKEv2 tunnel establishment procedure, and adopts EAP to authenticate.EPDG and AAA Server mutual (AAA Server is further mutual with HSS) are to complete the EAP authentication.In the process that ipsec tunnel is set up, the 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification, ePDG can obtain this decision-making.
Optionally, at first whether UE carry out it ability indication notice 3GPPAAA server of reflective QoS mechanism, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Optionally, ePDG can also send to the 3GPP aaa server with local ip address or access network type, the 3GPP aaa server accesses by the BBF Access Network according to local ip address or access network type judgement UE, thereby determines further whether this UE carries out reflective QoS mechanism.
Step 706, ePDG sends gateway control session to PCRF and sets up message, set up user ID, PDN sign, local ip address and the source udp port number that carry UE in message (if NA (P) T detected, carry in message source udp port number) in gateway control session.
The decision-making whether ePDG can also carry out the network decision UE that obtains in step 705 reflective QoS mechanism sends to PCRF.
Step 707, PCRF sends gateway control session to ePDG and sets up acknowledge message.
Step 708, ePDG sends the last item IKEv2 message to UE, an IP address of carrying wherein that promising UE distributes, this IP address is as the Care-of Address (CoA) of UE.
Step 709 has been set up ipsec tunnel between UE and ePDG.
Step 710, UE carries out self-starting (Bootstraping) flow process.UE carries out domain name (DNS) according to APN (APN, Access Point Name) and searches the IP address that acquisition will access the P-GW of PDN.In order to protect the DSMIPv6 message between UE and P-GW, UE uses IKEv2 to set up Security Association, and adopts EAP to authenticate.P-GW and AAA Server (AAA Server is further mutual with HSS) communicate to complete EAP authentication, and P-GW is that UE distributes an IPv6 address or prefix as the home address (HoA) of UE simultaneously.
Step 711, UE sends the DSMIPv6 binding update messages to P-GW, carries CoA and HoA in the DSMIPv6 binding update messages, and in binding message parameter is non-vanishing the lifetime.P-GW sets up BindingContext.
Step 712, the PCEF in P-GW sends IP-CAN session establishment Indication message to PCRF, carries user ID, the PDN sign of UE in IP-CAN session establishment Indication message.
Step 713 when PCRF formulates the PCC rule, except considering subscription data, network strategy and Access Network attribute etc., also will determine whether UE carries out the decision-making of reflective QoS mechanism according to network.If network determines UE and carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is identical, namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.
PCRF sends to PCEF with the PCC rule of formulating by IP-CAN session establishment acknowledge message.
Further, PCRF is according to PCC Rulemaking QoS rule.PCRF returns to acknowledge message to PCEF, wherein carries the PCC rule.
Step 714, P-GW returns to binding acknowledgement message to UE.
Step 715, if step 704 is carried out, PCRF carries out gateway control and the QoS rule provides flow process, provides UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.If there is no execution in step 704, PCRF carries out the gateway control session Establishing process that PCRF initiates, provide UE local ip address, source udp port number (if NA (P) T detected, provide source udp port number) to BPCF, and the QoS that formulates rule.
Step 716, BPCF offers BNG/BRAS with strategy.
By above-mentioned flow process, UE has obtained network and has determined whether UE carries out the decision-making of Reflective QoS mechanism, and PCRF has also obtained this decision-making simultaneously.After this, when UE carries out Operational Visit when needing network to be its Resources allocation, PCRF will consider this decision information when formulating the PCC rule, concrete: if determining UE, network carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, and namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC rule that is not Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is not identical, and namely QCI and/or ARP are not identical.Then, PCRF sends to BPCF with the QoS information of the PCC rule of formulation, controls and strategy execution so that the BBF Access Network is carried out to admit.The BBF Access Network can be mapped to specific DSCP according to QCI and/or ARP, therefore, and bandwidth corresponding to each DSCP of each UE of strategy decision that the BBF Access Network can provide according to PCRF.
Certainly, PCRF can also notify this UE of BBF Access Network whether to carry out Reflective QoS mechanism by an explicit indication of whether carrying out Reflective QoS mechanism is provided to the BBF Access Network.As when carrying out Reflective QoS mechanism, PCRF provides to BPCF and carries out the indication of Reflective QoS mechanism, and just the QCI of the same business data flow up-downgoing of this UE and/or ARP are identical (even the PCC rule that PCRF issues or the QCI in the QoS rule and/or ARP are different) to the BBF Access Network as can be known at this moment.
In prior art, the BBF Access Network can be realized the limit bandwidth of per UE per DSCP, therefore in conjunction with embodiments of the invention, whether PCRF allows UE to carry out the different policy distribution of the decision-making of Reflective QoS mechanism to the BBF Access Network for network, whether the BBF Access Network just can carry out Reflective QoS mechanism to UE control effectively, and especially also can control effectively to those UE that carry out Reflective QoS mechanism not according to network decision.
Embodiments of the invention five as shown in Figure 8, Fig. 8 is that UE shunts under the Operational Visit scene by the fixed broadband Access Network, whether network carries out to UE the flow process that Reflective QoS mechanism is carried out strategic decision-making.Under the scene of shunting Operational Visit, the access authentication that UE access BBF Access Network is carried out based on 3GPP is essential.This flow process mainly comprises the following steps:
Step 801 after UE access BBF connecting system, is carried out the access authentication based on 3GPP, and UE provides IMSI (being used for access authentication).The 3GPP aaa server determines whether this UE carries out reflective QoS mechanism, and with this UE of this decision notification.
Optionally, the access network type that 3GPP AAA reports according to the BBF Access Network or local configuration (as according to the mutual BBF AAA judgement UE of 3GPP AAA by the access of BBF Access Network), judgement UE is by the access of BBF Access Network, thereby it is machine-processed to determine further whether this UE carries out reflective QoS.
Optionally, at first whether UE carry out it ability indication notice 3GPPAAA server of reflective QoS mechanism, and the 3GPP aaa server determines according to this ability indication whether this UE carries out reflective QoS mechanism again.
Step 802, UE obtains local ip address from the BBF Access Network, and this address can RG or BNG distribution.
Step 803, the triggering of receiving step 801 or step 802, the notified UE access of BPCF BBF Access Network.BPCF obtains 3GPP AAA whether this UE is carried out the result of decision that reflective QoS mechanism is carried out decision-making.
Step 804, BPCF sends gateway control session to PCRF and sets up message, and whether the user ID, local ip address and this UE that wherein carry UE carry out the result of decision of reflective QoS mechanism.
Step 805, PCRF returns to gateway control session to BPCF and sets up acknowledge message.PCRF may need to obtain alternately with SPR contracted user's strategic decision-making of user.When PCRF formulates PCC or QoS rule, except considering subscription data, network strategy and Access Network attribute etc., also to determine whether UE carries out the decision-making of reflective QoS mechanism according to network.If network determines UE and carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, namely the QoS of the PCC rule of same business data flow up-downlink direction is identical, namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC or the QoS rule that are not Reflective QoS mechanism, the QoS that is the PCC of same business data flow up-downlink direction or QoS rule is not identical, and namely QCI and/or ARP are not identical.
PCRF sends to BPCF with PCC or the QoS rule of formulating by acknowledge message.PCRF returns to acknowledge message to BPCF, wherein carries PCC or QoS rule.
Step 806, BPCF further provides strategy to BNG, is used for strategy execution.
By above-mentioned flow process, UE has obtained network and has determined whether UE carries out the decision-making of Reflective QoS mechanism, and PCRF has also obtained this decision-making simultaneously.After this, when UE carries out Operational Visit when needing network to be its Resources allocation, PCRF will consider this decision information when formulating the PCC rule, concrete: if determining UE, network carries out Reflective QoS mechanism, to formulate so the PCC rule of Reflective QoS mechanism, the QoS that is the PCC rule of same business data flow up-downlink direction is identical, and namely QCI and/or ARP are identical; If network determines UE and does not carry out Reflective QoS mechanism, can formulate so the PCC or the QoS rule that are not Reflective QoS mechanism, the QoS that is the PCC of same business data flow up-downlink direction or QoS rule is not identical, and namely QCI and/or ARP are not identical.Then, PCRF sends to BPCF with the PCC of formulation or the QoS information of QoS rule, controls and strategy execution so that the BBF Access Network is carried out to admit.The BBF Access Network can be mapped to specific DSCP according to QCI and/or ARP, therefore, and bandwidth corresponding to each DSCP of each UE of strategy decision that the BBF Access Network can provide according to PCRF.
Certainly, PCRF can also notify this UE of BBF Access Network whether to carry out Reflective QoS mechanism by an explicit indication of whether carrying out Reflective QoS mechanism is provided to the BBF Access Network.As when carrying out Reflective QoS mechanism, PCRF provides to BPCF and carries out the indication of Reflective QoS mechanism, and just the QCI of the same business data flow up-downgoing of this UE and/or ARP are identical (even the PCC rule that PCRF issues or the QCI in the QoS rule and/or ARP are different) to the BBF Access Network as can be known at this moment.
In prior art, the BBF Access Network can be realized the limit bandwidth of per UE per DSCP, therefore in conjunction with embodiments of the invention, whether PCRF allows UE to carry out the different policy distribution of the decision-making of Reflective QoS mechanism to the BBF Access Network for network, whether the BBF Access Network just can carry out Reflective QoS mechanism to UE control effectively, and especially also can control effectively to those UE that carry out Reflective QoS mechanism not according to network decision.
The above is only preferred embodiment of the present invention, is not for limiting protection scope of the present invention.
Claims (21)
1. a method that realizes reflecting QoS mechanism, is characterized in that, the method comprises:
In building tunnel authentication or access authentication procedure, whether third generation partner program authentication and authorization charging 3GPP aaa server decision-making user equipment (UE) carries out reflection service quality QoS mechanism;
Described PCRF obtains the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the broadband BBF of forum Access Network according to the described result of decision and carry out.
2. realize according to claim 1 the method for reflection QoS mechanism, it is characterized in that, the method further comprises:
Described 3GPP aaa server is according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, and whether the described UE of decision-making carries out reflection QoS mechanism.
3. the method for described realization reflection QoS mechanism according to claim 1 and 2, is characterized in that, described PCRF formulates corresponding strategy according to the described result of decision, is specially:
If described 3GPP aaa server decision-making UE carries out reflection QoS mechanism, described PCRF formulates strategy and charging control PCC rule and/or the QoS rule of reflection QoS mechanism;
If described 3GPP aaa server decision-making UE does not carry out reflection QoS mechanism, described PCRF formulation is not PCC rule and/or the QoS rule of reflection QoS mechanism.
4. the method for described realization reflection QoS mechanism according to claim 1 and 2, is characterized in that, described PCRF formulates corresponding strategy according to the described result of decision, is specially:
If described 3GPP aaa server decision-making UE carries out reflection QoS mechanism, described PCRF provides the indication of carrying out reflection QoS mechanism to described BBF Access Network.
5. the method for described realization reflection QoS mechanism according to claim 1 and 2, is characterized in that, before whether described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, the method further comprised:
The local ip address of the described UE that described 3GPP aaa server provides according to packet data gateway ePDG or the grouped data network gateway P-GW of evolution or the described UE of access network type judgement are by described BBF Access Network access.
6. the method for described realization reflection QoS mechanism according to claim 1 and 2, is characterized in that, before whether described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, the method further comprised:
Described 3GPP aaa server accesses by described BBF Access Network according to access network type or the described UE of local configuration determination that described BBF Access Network reports.
7. realize according to claim 3 the method for reflection QoS mechanism, it is characterized in that, PCC rule and/or the QoS rule of the reflection QoS mechanism that described PCRF formulates are to keep priority ARP identical for the PCC rule of same business data flow up-downlink direction and/or QoS classification logotype QCI and/or the distribution of QoS rule.
8. the method for described realization reflection QoS mechanism according to claim 1 and 2, is characterized in that, the method further comprises:
Described PCRF obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
9. a system that realizes reflecting QoS mechanism, is characterized in that, this system comprises: third generation partner program authentication and authorization charging 3GPP aaa server, "Policy and Charging Rules Function entity PCRF, wherein,
Described 3GPP aaa server is used in building tunnel authentication or access authentication procedure, and whether the decision-making user equipment (UE) carries out reflection service quality QoS mechanism;
Described PCRF is used for obtaining the described result of decision of whether carrying out reflection QoS mechanism, formulates corresponding strategy and offers the broadband BBF of forum Access Network according to the described result of decision and carry out.
10. realize according to claim 9 the system of reflection QoS mechanism, it is characterized in that, described 3GPPAAA server is further used for, and according to the ability indication of whether carrying out reflection QoS mechanism of UE notice, whether the described UE of decision-making carries out reflection QoS mechanism.
11. the system of according to claim 9 or 10 described realization reflection QoS mechanism is characterized in that described PCRF is further used for,
When described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, described PCRF formulated strategy and charging control PCC rule and/or the QoS rule of reflection QoS mechanism;
When described 3GPP aaa server decision-making UE did not carry out reflection QoS mechanism, it was not PCC rule and/or the QoS rule of reflection QoS mechanism that described PCRF formulates.
12. the system of according to claim 9 or 10 described realization reflection QoS mechanism, it is characterized in that, described PCRF is further used for, and when described 3GPP aaa server decision-making UE carried out reflection QoS mechanism, described PCRF provided the indication of carrying out reflection QoS mechanism to described BBF Access Network.
13. the system of according to claim 9 or 10 described realization reflection QoS mechanism, it is characterized in that, described 3GPP aaa server is further used for, before whether decision-making UE carried out reflection QoS mechanism, the local ip address of the described UE that provides according to ePDG or P-GW or the described UE of access network type judgement were by described BBF Access Network access.
14. the system of according to claim 9 or 10 described realization reflection QoS mechanism, it is characterized in that, described 3GPP aaa server is further used for, before whether decision-making UE carried out reflection QoS mechanism, the access network type or the described UE of local configuration determination that report according to described BBF Access Network accessed by described BBF Access Network.
15. the system of QoS mechanism is reflected in described realization according to claim 11, it is characterized in that, PCC rule and/or the QoS rule of the reflection QoS mechanism that described PCRF formulates be, and be identical for QCI and/or the ARP of the PCC rule of same business data flow up-downlink direction and/or QoS rule.
16. the system of according to claim 9 or 10 described realization reflection QoS mechanism is characterized in that described PCRF is further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
17. a PCRF who realizes reflecting QoS mechanism is characterized in that, comprising:
Result of decision acquisition module is used for obtaining whether to carry out for user equipment (UE) the result of decision of reflection service quality QoS mechanism in building tunnel authentication or access authentication procedure;
The policy development module is used for formulating corresponding strategy and offering the broadband BBF of forum Access Network according to the described result of decision carrying out.
18. the PCRF of described realization reflection QoS mechanism, is characterized in that according to claim 17, described policy development module is further used for,
When the described result of decision was UE execution reflection QoS mechanism, the strategy of formulation reflection QoS mechanism and charging control PCC rule and/or QoS were regular;
Be that UE does not carry out reflection QoS when mechanism in the described result of decision, formulating is not PCC rule and/or the QoS rule of reflection QoS mechanism.
19. the PCRF of according to claim 17 or 18 described realization reflection QoS mechanism, it is characterized in that, further comprise: the indication sending module is used for providing the indication of carrying out reflection QoS mechanism to described BBF Access Network when the described result of decision is UE execution reflection QoS mechanism.
20. the PCRF of QoS mechanism is reflected in described realization according to claim 18, it is characterized in that, PCC rule and/or the QoS rule of the reflection QoS mechanism of described formulation are to keep priority ARP identical for the PCC rule of same business data flow up-downlink direction and/or QoS classification logotype QCI and/or the distribution of QoS rule.
21. the PCRF of according to claim 17 or 18 described realization reflection QoS mechanism, it is characterized in that, described result of decision acquisition module is further used for, and obtains the described result of decision of whether carrying out reflection QoS mechanism from ePDG, P-GW or fixed broadband policy control functions entity B PCF.
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