CN103369501B - A kind of method for managing resource, system and resource management network element - Google Patents
A kind of method for managing resource, system and resource management network element Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W28/00—Network traffic management; Network resource management
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Abstract
The present invention provides a kind of method for managing resource, comprising: strategy is sent to the request of resource management network element with charging regulation function entity PCRF for the strategy that business is formulated and authorized by wideband network gateway/Broadband Remote Access Server BNG/BRAS;The strategy of authorization is sent to the BNG/BRAS by the resource management network element implementation strategy authorization, or sends the message of refusal strategy to the BNG/BRAS.The present invention also provides a kind of resource management systems and resource management network element.
Description
Technical field
The present invention relates to the communications fields, and in particular to a kind of method for managing resource, system and resource management network element.
Background technique
The grouping of third generation partner program (3rd Generation Partnership Project, 3GPP) evolution
System (Evolved Packet System, EPS), the EPS network architecture diagram of non-roaming scene as shown in Figure 1, by evolution
Universal Mobile Communication System land radio access web (Evolved UniversalTerrestrial Radio Access
Network, E-UTRAN), mobile management unit (MobilityManagement Entity, MME), gateway (Serving
Gateway, S-GW), grouped data network gateway (Packet Data Network Gateway, P-GW PDN GW), return
Belong to client server (Home Subscriber Server, HSS), "Policy and Charging Rules Function (Policyand
Charging Rules Function, PCRF) entity and other support nodes composition.Strategy and charging regulation function entity
(PCRF) be PCC core, be responsible for strategic decision-making and charging regulation formulation.PCRF provides the network based on business data flow
Control rule, these network-controls include the detection of business data flow, gate (Gating Control), service quality
(Quality of Service, QoS) control and the charging regulation based on data flow etc..The strategy and meter that PCRF is formulated
Expense rule is sent to PCEF execution, meanwhile, PCRF also needs to guarantee that these rules are consistent with the signing information of user.PCRF is formulated
The foundation of strategy and charging regulation includes: relevant to business from AF (Application Function, application function) acquisition
Information;From user-subscribed database (Subscription Profile Repository, SPR) acquisition and user policy, billing
Control signing information;The information with carrying network of relation is obtained from PCEF.
EPS supports the intercommunication with non-3 GPP system.Intercommunication with non-3 GPP system realized by S2a/b/c interface, P-GW
As the anchor point between 3GPP and non-3 GPP system.The system architecture of EPS is as shown in Figure 1.Wherein non-3 GPP system is divided into credible
Appoint non-3 gpp IP access and trustless non-3 gpp IP access.Trusted non-3 gpp IP access can directly by S2a interface with
P-GW connection, the interface using PMIPv6 (Proxy Mobile IP version 6, proxy-mobile IP version 6) agreement or
GTP (General Packet Radio Service tunnel Protocol, general packet radio service tunnel agreement) association
View;Trustless non-3 gpp IP access need to pass through ePDG (Evolved Packet Data Gateway, the packet data of evolution
Gateway) it is connected with P-GW, the interface between ePDG and P-GW is S2b, using PMIPv6 GTP agreement, and UE (User
Equipment, user equipment) and ePDG between using IPSec (Internet Protocol security, Internet association
View safety) signaling and data are encrypted.S2c provides the relevant control in the user face between UE and P-GW and shifting
Dynamic property supports that the mobility management protocol supported is DSMIPv6 (Mobile IPv6 Support for DualStack
Hosts and Routers supports the mobile IP v 6 of double stacks).
Current project FMC (Fixed Mobile Convergence, fixed network mobile fusion), for 3GPP and BBF
The unified management of (Broadband Forum, Broadband Forum) access network policy is studied.The access net is commonly referred to as fixed network,
Refer in particular to WLAN (WLAN) access.Four kinds of main scenes of FMC technology:
H (e) NB scene.By Home eNodeB (H (e) NB) core network access EPC, (EvolvedPacket Core, is drilled UE
Into packet-based core networks), belong to 3GPP/H (e) NB access EPC technology scene, wherein H (e) NB occupies fixed network route.
Shown in dotted line (a) in business data flow such as Fig. 2.
WLAN-EPC-routed scene.UE accesses net (fixed network) access mobile core net EPC, the scene category by WLAN
In the technology of non-3 gpp (WLAN accesses net/fixed network) access EPC.Its basic norm accessed need to meet above-mentioned EPS support with
The requirement of the intercommunication of non-3 GPP system, it is specific to be divided into S2a, S2b and S2c access again.Dotted line (b) in business data flow such as Fig. 2
It is shown.
WLAN-NSWO (Non-seamless WLAN offload, the WLAN shunt of non-seamless) scene.UE access WLAN
It accesses net (fixed network), passes through gateway BNG/BRAS (the Broadband network Gateway/ of WLAN access net (fixed network)
Broadband Remote Access Server, wideband network gateway/Broadband Remote Access Server) directly visit outer portion
Group data network (PDN, Packet data network).Shown in dotted line (c) in business data flow such as Fig. 2.
Fixed equipment (Fixed/BBF device) scene.Fixed equipment (for example, home videos, the fixed terminal of WLAN,
RG (Residential Gateway, home gateway) of routing type etc.) access WLAN access net (fixed network), is accessed by WLAN
The gateway BNG/BRAS of net (fixed network) directly visits external packet data networks.Business data flow such as dotted line (d) institute in Fig. 2
Show.
Illustrate separately below the main feature of the above scene and under both scenes run business when there are the problem of.
One .H (e) NB scene introduction
EPS supports the access of Home eNodeB (HeNB, Home eNodeB), and HeNB is a kind of small-sized, low-power base station,
It is deployed in the indoor spaces such as family, office and enterprise building.HeNB usually passes through the core of the fixed network route access EPS of rental
Net, as shown in Figure 2.Introduced in order to ensure the safety of access, in core net security gateway (Security Gateway, SeGW) into
Row shielding, the data between HeNB and SeGW will be packaged using IPSec (IP Security, Internet Protocol Security).
HeNB can also pass through HeNB by being directly connected to the MME and S-GW of core net with the ipsec tunnel that SeGW is established again
GW is connected to MME and S-GW, i.e. HeNB GW is an optional network element.Meanwhile HeNB is managed in order to realize, introduce net
First home base station management system (HomeeNodeB Management System, HeMS), because little with relationship of the present invention, therefore
Framework is not shown in the figure.
In addition, Universal Mobile Communication System (Universal Mobile Telecommunications System,
UMTS the access of Home eNodeB HNB (Home NodeB)) is supported.Similar to Fig. 2 and its description.Unlike, it is logical using service
With packet wireless business support node (Serving General PacketRadio Service Support Node, SGSN)
Instead of S-GW, ggsn (Gateway General Packet Radio is used
Service Supporting Node, GGSN) instead of P-GW.
Since the QoS of the fixed network route of H (e) NB access is usually the owner and fixed network operator by HeNB/HNB
Signing limitation.Therefore, when 3GPP UE, which accesses 3GPP core net by HeNB/HNB, accesses business, required QoS cannot surpass
Cross the QoS of the signing for the fixed network route that fixed network operator can be provided.Otherwise, the QoS that UE accesses business cannot be ensured, special
It is not to ensure that the business of bit rate (Guaranteed Bitrate, GBR) is even more so.Therefore, for 3GPP network and fixed network
For, a set of unified mechanism of control is needed to realize user/connection/business admission control.For example: when there is new industry
When business is initiated, only in the case where fixed network guarantee there are enough resource/bandwidths, takes into account and consider mobile network resource also sufficient item
Under part, the business could be received;Otherwise, the business should just be refused.
In order to realize the management that is uniformly controlled of resource, current solution is by drawing between BNG/BRAS and PCRF
The Gxd interface entered carrys out the resource of managing fixed network route, and specific way is that terminal UE is accessed from H (e) NB, and H (e) NB is place
The information (the usually FQDN etc. of H (e) NB local address, port numbers and fixed network) of fixed network route is sent by EPC core net
To PCRF, BNG is found by PCRF and establishes the strategy session on Gxd interface, and by Gxd interface come consulting tactical information, pipe
Fixed network line resource is managed, admission control is carried out to business.
Two, WLAN-EPC-routed scene introduction
For WLAN-EPC-routed scene, it is similar to H (e) NB scene, there is also the mechanism of resource management, equally
The case where causing business operation to fail there are inadequate resource.The current specific practice for being uniformly controlled management for realizing resource is, whole
Hold UE to access EPC from WLAN, in access procedure, where terminal UE fixed network line information (usually UE local address,
IPsec port numbers etc.) PCRF is sent to by EPC core net, BNG is found by PCRF and establishes the strategy session on Gxd interface,
And by Gxd interface come consulting tactical information, managing fixed network line resource carries out admission control to business.
Three, WLAN-NSWO scene introduction
For WLAN-NSWO scene, the access of terminal UE is also classified into two kinds of sub-scenes: UE passes through the sum of fixed network access authentication
UE is authenticated not over fixed network.No matter, equally there is also inadequate resources if also all there is the mechanism of resource management in which kind of sub-scene
The case where causing business operation to fail.Currently authenticate the resource under sub-scene by fixed network to UE is uniformly controlled the specific of management
Way is that terminal UE is accessed from WLAN, because UE performs certification from fixed network, the BNG/BRAS of fixed network can perceive connecing for UE
Enter, BNG/BRAS can initiate the foundation of the strategy session on Gxd interface, by the strategy session come consulting tactical information, management
Fixed network line resource carries out admission control to business.The unification for authenticating the resource under sub-scene not over fixed network for UE is controlled
Tubulation is managed referring to four.
Four, fixed equipment (Fixed/BBF device) scene
Scene is accessed for fixed equipment, be also classified into several sub-scenes: fixed equipment is set by fixed network access authentication, fixation
It is standby not over fixed network certification, RG scene.No matter, equally there is also moneys if also all there is the mechanism of resource management in which kind of sub-scene
The case where source deficiency causes business operation to fail.
First to RG scene, when RG work is under route pattern, it is that can execute access authentication that RG, which is powered on, the BNG/ of fixed network
BRAS can perceive the access of RG, and BNG/BRAS can initiate the foundation of the strategy session on Gxd interface, be assisted by the strategy session
Quotient's policy information, managing fixed network line resource, to access under the RG without authenticating mobile UE and fixed equipment by fixed network
Business carries out admission control.
For passing through the fixed equipment of fixed network access authentication, the admission control of resource is analogous to WLAN-NSWO scene.
For the fixed equipment not over fixed network access authentication, which is connect at RG, resource management and industry
Business admission control is completed by the resource management and business admission controlling mechanism of RG.
In conclusion under fixed network route, it can be there are many equipment access, the mode of access is again possible different.Different scenes
May exist parallel.The resource of fixed network needs reasonable distribution.It is provided according to current agreement, BNG cannot execute the system of resource
One control and management, and the PCRF to generate strategy, because there are different access devices and access scene, PCRF may be deposited simultaneously
Multiple (for example the PCRF of the PCRF of HeNB scene, WLAN-EPC-routed may not be same), multiple PCRF controls should
The resource of route, it may appear that the problem of computing repeatedly (be exactly with a resource may give different equipment simultaneously) so as to cause
Error.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method for managing resource, system and resource management network elements, avoid
Fixed network line resource assignment error.
To solve the above-mentioned problems, the present invention provides a kind of method for managing resource, comprising:
Strategy with charging regulation function entity PCRF is by wideband network gateway/Broadband Remote Access Server BNG/BRAS
The strategy that business is formulated is sent to the request authorization of resource management network element;
The strategy of authorization is sent to the BNG/BRAS, or sent by the resource management network element implementation strategy authorization
The message of refusal strategy gives the BNG/BRAS.
Further, the above method can also have the characteristics that, the method also includes the BNG/BRAS receives described
After the strategy of authorization, executes the strategy of the authorization or be transmitted to the PCRF.
Further, the above method can also have the characteristics that, the strategy that the PCRF is formulated is for one of following business
Or combinations thereof formulate strategy:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
The WLAN of mobile terminal non-seamless shunts NSWO business;
The business of the fixed network equipment of access band forum BBF network;
Work in the business under the home gateway of route pattern.
Further, the above method can also have the characteristics that, the resource management network element implementation strategy authorization includes:
The resource management network element is according to the authorization of fixed network line resource or the refusal strategy.
Further, the above method can also have the characteristics that, the strategy that the PCRF is formulated is for the specified first kind
The strategy that business is formulated.
Further, the above method can also have the characteristics that, the first kind business includes one or a combination set of following:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
Mobile terminal NSWO business.
Further, the above method can also have the characteristics that, the method also includes: the resource management network element receives
The business information of the second specified class business sent to application function/business detection function AF/TDF or the BNG/BRAS
Send be the second class service request strategy message after, generate strategy and be sent to described for the second class business
BNG/BRAS。
Further, the above method can also have the characteristics that, the resource management network element is the second class business system
Determining strategy includes:
The resource management network element is that the second class business is generated strategy according to fixed network line resource.
Further, the above method can also have the characteristics that, the second class business includes one or a combination set of following:
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Further, the above method can also have the characteristics that, between the BNG/BRAS and the resource management network element
Interaction be based on state session mode, alternatively, stateless conversational mode.
The present invention also provides a kind of resource management network elements, comprising:
Authorization control unit, after receiving the strategy that the PCRF that BNG/BRAS is sent is formulated, implementation strategy authorization;
Transmission unit is refused for the strategy of the authorization control unit authorization to be sent to the BNG/BRAS or send
The message of strategy gives the BNG/BRAS absolutely.
Further, above-mentioned resource management network element can also have the characteristics that, the strategy that PCRF is formulated is for following business
One or a combination set of formulate strategy:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
The WLAN of mobile terminal non-seamless shunts NSWO business;
Access the business of the fixed network equipment of BBF network;
Work in the business under the home gateway of route pattern.
Further, above-mentioned resource management network element can also have the characteristics that, the authorization control unit implementation strategy is awarded
Power includes:
The authorization control unit is according to the authorization of fixed network line resource or the refusal strategy.
Further, above-mentioned resource management network element can also have the characteristics that, the strategy that the PCRF is formulated be specified
First kind business formulate strategy.
Further, above-mentioned resource management network element can also have the characteristics that, the first kind business includes one of following
Or combinations thereof:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
Mobile terminal NSWO business.
Further, above-mentioned resource management network element can also have the characteristics that, the resource management network element further includes strategy
Unit is formulated, the business information or the BNG/BRAS for receiving the second specified class business of AF/TDF transmission are sent
Be the second class service request strategy message after, generate strategy for the second class business;
The transmission unit is also used to, and the strategy that the policy making unit is formulated is sent to the BNG/BRAS.
Further, above-mentioned resource management network element can also have the characteristics that, the policy making unit is described second
Class business, which is generated strategy, includes:
The policy making unit is that the second class business is generated strategy according to fixed network line resource.
Further, above-mentioned resource management network element can also have the characteristics that, the second class business includes one of following
Or combinations thereof:
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Further, above-mentioned resource management network element can also have the characteristics that, the resource management network element and the BNG/
Interaction between BRAS is based on state session mode, alternatively, stateless conversational mode.
The present invention also provides a kind of resource management systems, comprising: and above-mentioned resource management network element, further includes BNG/BRAS,
In:
The BNG/BRAS is used for, and the PCRF strategy formulated is sent to the resource management network element request authorization, and
After the strategy for receiving the authorization that the resource management network element is sent, the strategy of the authorization is executed or by the strategy of the authorization
It is sent to the PCRF.
The present invention also provides a kind of resource management systems, comprising: and above-mentioned resource management network element, further includes BNG/BRAS,
In:
The BNG/BRAS is used for, and is that the strategy that the first kind business is formulated is sent to the resource pipe by the PCRF
Network element request authorization is managed, and after receiving the strategy for the authorization that the resource management network element is sent, executes the strategy of the authorization
Or the strategy of the authorization is sent to the PCRF.
Further, above-mentioned resource management system can also have the characteristics that, the BNG/BRAS is also used to, and be described the
For two class business to the resource management network element request strategy, receiving the resource management network element is what the second class business was formulated
Strategy.
Further, above-mentioned resource management system can also have the characteristics that the system also includes AF/TDF, in which:
The AF/TDF is used for, and Xiang Suoshu resource management network element sends the business information of the second class business;
The BNG/BRAS is also used to, and receiving the resource management network element is the strategy that the second class business is formulated.
The present invention is managed collectively fixed network resource by resource management network element, can be to avoid fixed network resource allocation error.
Detailed description of the invention
Fig. 1 is configuration diagram of the non-3 GPP access to EPS;
Fig. 2 is that UE connects from the H (e) NB under same fixed network route, WLAN-EPC-routed, WLAN-NSWO and fixed equipment
The schematic diagram entered;
Fig. 3 is examples of architectures (non-roaming) of the invention;
Fig. 4 is examples of architectures of the invention (roaming-local routing);
Fig. 5 is examples of architectures (roaming-local break-out) of the invention;
Fig. 6 is that one flow instance one: UE of the present invention program is accessed from H (e) NB or WLAN, EPC-routed PDN connection
Establish the strategy interaction under scene;
Fig. 7 is one flow instance of the present invention program, two: WLAN-NSWO UE access, fixed equipment access, and RG powers on scene
Under Xy interface signaling interaction;
Fig. 8 is one flow instance three of the present invention program: policy authorization process;
Fig. 9 is that two flow instance one: UE of the present invention program is accessed from H (e) NB or WLAN, EPC-routed PDN connection
Establish the strategy interaction under scene;
Figure 10 is two flow instance of the present invention program, two: WLAN-NSWO UE access, fixed equipment access, and RG powers on scene
Under Xy interface signaling interaction;
Figure 11 is two flow instance three of the present invention program: policy authorization process;
Figure 12 is resource management network element block diagram of the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
The embodiment of the present invention provides a kind of method for managing resource, comprising:
The PCRF strategy formulated is sent to the request authorization of resource management network element by BNG/BRAS;
The strategy of authorization is sent to the BNG/BRAS or sent and refused by the resource management network element implementation strategy authorization
The message of strategy gives the BNG/BRAS absolutely.
Wherein, it after the BNG/BRAS receives the strategy of the authorization, executes the strategy of the authorization or is transmitted to institute
State PCRF.
Scheme one
The strategy that the PCRF is formulated is the strategy formulated for one or a combination set of following business:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
The WLAN of mobile terminal non-seamless shunts NSWO business;
Access the business of the fixed network equipment of BBF network;
Work in the business under the home gateway of route pattern.
Wherein, the resource management network element implementation strategy authorization includes:
The resource management network element is according to the authorization of fixed network line resource or the refusal strategy.
Scheme two
Business is divided into specified first kind business and the second class business, wherein PCRF is first kind business by BNG/BRAS
The strategy of formulation is sent to the request authorization of resource management network element;
It to the second class business, is generated strategy by resource management network element, comprising: the resource management network element receives AF/TDF
(Traffic Detection Function, business detection function) send the second specified class business business information or
The BNG/BRAS send be the second class service request strategy message after, after generating strategy for the second class business
It is sent to the BNG/BRAS.
Wherein, the first kind business includes one or a combination set of following:
The business that mobile terminal is carried out by Home eNodeB access;
The business that mobile terminal is carried out by WLAN core network access;
Mobile terminal NSWO business.
The second class business includes one or a combination set of following:
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Wherein, the resource management network element is generated strategy for the second class business includes:
The resource management network element is that the second class business is generated strategy according to fixed network line resource.
Wherein, the interaction between BNG/BRAS and resource management network element is based on state session mode, alternatively, stateless session
Mode.
The present invention is further illustrated below by embodiment.In following embodiments, resource management network element uses PCRF+ table
Show, however, the present invention is not limited thereto.
This examples of architectures is for annotating new network element PCRF+ and new interface Xy, if Fig. 4-6 elaborates non-roaming framework respectively,
Roam local routing framework, roaming-local break-out framework.PCRF+ is located at mobile network domain and is then located at if it is roaming architecture
The mobile network domain of visited place passes through Xy interface and BNG/BRAS intercommunication strategy.
Two seed scheme options are wherein further divided into according to the function difference of network element:
Scheme one:
In the program, no matter UE is accessed from H (e) NB or WLAN and establish EPC-routedPDN connection and establish field
Scape or WLAN-NSWO UE access, fixed equipment access, RG power on scene, can all there is a respective PCRF, thus when it is a variety of not
When same access exists simultaneously, PCRF can exist multiple.The strategy of all business is to be formulated by selected PCRF for it.It formulates
Strategy PCRF+ request authorization is transmitted to by BNG/BRAS, PCRF+ decides whether to authorize according to information such as fixed network line resources
The strategy, and the strategy of authorization is issued BNG/BRAS, BNG/BRAS is according to the strategy execution of authorization.That is, BNG/
BRAS can establish the strategy session on Gxd interface with multiple PCRF, and the function of PCRF is same as the prior art, and PCRF formulates plan
Fixed network line resource is not considered slightly.PCRF+ does not execute the function of generating strategy, and is only merely policy authorization function.
Network element PCRF+, has following functions and attribute:
PCRF+ is located at the mobile network domain in visited place;
Support the policy interface Xy with BNG/BRAS;
PCRF+ receives the request for policy authorization that BNG/BRAS is sent, and according to fixed network line resource implementation strategy authorization,
And Authorization result is fed back into BNG/BRAS.
BNG/BRAS has following functions:
BNG/BRAS support policy interface Xy;
BNG/BRAS is according to the strategy from PCRF, to the authorization of PCRF+ request strategy is given, executes delegated strategy or by plan
Slightly Authorization result is transmitted to PCRF.
Scheme two:
In the program, UE is accessed from H (e) NB or WLAN and establishes EPC-routed PDN connection and establishes scene,
PCRF is selected for it by EPC network gateway (S-GW or eDPG or P-GW), therefore there may be multiple within the same time
PCRF, strategy are formulated by its corresponding PCRF, and PCRF, which generates strategy, does not consider fixed network line resource situation;For
WLAN-NSWO UE access, fixed equipment access, RG power on scene, and BNG/BRAS guarantees to unify the business on fixed network route for it
Select unified PCRF+.
PCRF+ has dual function: generate strategy (compared with PCRF) and delegated strategy.
First heavy function: PCRF+ is the strategy that first kind service authorization is formulated by PCRF.Concrete operations are that PCRF will be formulated
Strategy be sent to BNG/BRAS, then PCRF+ request authorization is transmitted to by BNG/BRAS, PCRF+ is held according to fixed network line resource
Row policy authorization simultaneously feeds back Authorization result, and BNG/BRAS executes Authorization result or Authorization result is sent to PCRF.
Second heavy function: PCRF+ is that the second class business is generated strategy and authorized, and may also be referred to as the strategy for formulating authorization,
Concrete operations are that PCRF directly formulates the strategy of authorization according to fixed network line resource and is sent to BNG/BRAS for executing.
Network element PCRF+, has following functions and attribute:
PCRF+ is located at the mobile network domain in visited place;
Support the policy interface Xy with BNG/BRAS;
The request for policy authorization that BNG/BRAS is sent is received, and according to fixed network line resource delegated strategy, and authorization is tied
Fruit feeds back to BNG/BRAS;
The business information that AF/TDF is sent or the strategy request that BNG/BRAS is sent are received, according to fixed network line resource
It formulates delegated strategy and is pushed to BNG/BRAS.
BNG/BRAS has following functions:
BNG/BRAS support policy interface Xy;
BNG/BRAS is first kind business, according to the strategy from PCRF, to the authorization of PCRF+ request strategy;
For the second class business, BNG/BRAS requests delegated strategy to PCRF+, the strategy execution authorized according to PCRF+.
Wherein, " PCRF+ " and " Xy " is all the temporary name taken for new network element and new interface, is produced standardizing or manufacturing
It is used instead when product using any other title within the scope of the present invention.Gxd interface name is in subsequent standards work or product
Title may also be replaced when realization, this is not limited by the present invention.
Roaming architecture
Referring to Fig. 3 and Fig. 4, roaming-local routing and roaming-local break-out scene are respectively corresponded.In roaming scence, PCRF
+ in visited network domain.Corresponding to above-mentioned scheme one, because PCRF+ only carries out policy authorization function, PCRF+ is not supported
Roaming interface S9;Corresponding to scheme two, PCRF+ has the function of generating strategy for PCRF, therefore PCRF+ is supported and local
The roaming interface S9 of hPCRF, and from the perspective of hPCRF, what PCRF+ played the part of is exactly the function of visited place PCRF.
One flow instance one of scheme
The present embodiment is based on architectural schemes one, and scene is mobile terminal from H (e) NB system access, or from WLAN
System access establishes the scene of PDN connection for EPC-routed business, referring to Fig. 6.
Step 601-603.3GPP UE is accessed from H (e) NB system access, or from wlan system, is EPC-routed industry
PDN connection is established in business.
Gateway control session is established according to the prior art, between S-GW and PCRF (in S5/S8 interface using PMIP agreement
When);Gx session is established between P-GW and PCRF.For positioning the tunnel information of fixed network network element and route (that is, HeNB is locally
Location and port numbers (if port numbers presence), the FQDN etc. of BBF network) all pass through gateway control session or Gx session transmission
PCRF is arrived.
Step 604. is executed the signaling on Gxd interface by step 602 or 603 triggering, PCRF and BNG/BRAS
Interaction, and the relevant information of the mobile terminal (such as signing QoS information, tunnel information etc.) is sent to BNG/BRAS;Wherein,
PCRF tunnel information according to acquired in step 602 and step 603 finds BNG/BRAS.
Triggering of the step 605. by step 604, BNG/BRAS initiate Signalling exchange on the Xy interface with PCRF+, and handle
Relevant information (such as signing QoS information, the ID of fixed network route corresponding to tunnel information or tunnel information of the mobile terminal
Deng) it is sent to PCRF+.
Wherein, step 604 and step 605 can be there are two types of implementations:
Mode one: stateful conversational mode.It is, on Gxd interface and there are stateful sessions on Xy interface.It executes
604 and 605 be foundation/modify the session, by foundation/modify the session, transmits the relevant information of specific mobile terminal.And
The session can be as single mobile terminal service, be also possible to for multiple mobile terminal services.For example, Gxd connects
" gateway control session foundation/modification " operation executed on mouth in step 604, in step 605, BNG/BRAS is as proxy (generation
Reason), " the gateway control session foundation/modification " on Gxd interface is transmitted to PCRF+.
Mode two: stateless conversational mode.That is, only having Signalling exchange without state meeting on Gxd and Xy interface
Words.Each Signalling exchange must carry the relevant information of enough terminals, and the information for distinguishing the message transmission is for the spy
Determine terminal.
Certainly, for Gxd interface and Xy interface, another interface of one of interface adoption status conversational mode is used
Stateless conversational mode, it is also possible.
One flow instance two of scheme
The present embodiment is based on architectural schemes one, and scene is WLAN-NSWO UE access, fixed equipment access, and RG powers on scene
Under Xy interface signaling interaction, referring to Fig. 7.
The present embodiment contains three kinds of scenes, respectively corresponds three kinds of terminal devices below and business:
A. mobile terminal NSWO business
B. the business of the fixed network equipment of BBF network is accessed
C. the business under the home gateway of route pattern is worked in
Step 701a. corresponds to scenario A.3GPP UE establishes the IP connection of NSWO business from WLAN access;
Step 701b. corresponds to scenario B.Fixed network equipment accesses from WLAN and establishes local IP connection;
Step 701c. corresponds to scene C.The RG of route pattern is powered on, and establishes local IP connection
Step 702.BNG/BRAS detects the access of any of the above equipment, and the PCRF selected with it is executed on Gxd interface
Signalling exchange, and obtain or transmit the correspondence equipment relevant information (such as signing QoS information, the local address of equipment
Information or fixed network route ID etc.).Also there are two types of implementations for Signalling exchange on Gxd interface: stateful conversational mode and nothing
State session mode, description of the mechanism with step 604.When for example, for stateful conversational mode, established on Gxd interface
IP-CAN session.
Step 703.BNG/BRAS initiates Signalling exchange on the Xy interface with PCRF+, and the correlation of the mobile terminal is believed
Breath (such as signing QoS information, home address information or fixed network route ID of equipment etc.) is sent to PCRF+.Wherein, Xy interface
On Signalling exchange can also use stateful session or stateless session two ways.For example, if on Xy interface
When using stateful conversation modes, when BNG/BRAS has detected equipment access, then the session establishment on Xy interface is initiated.
One flow instance three of scheme
The present embodiment is based on architectural schemes one, for annotating policy authorization.It is divided into three kinds of scenario As 1, B1, C1, referring to figure
8。
Scenario A 1: it is suitable for following business
The business that mobile terminal is carried out by H (e) NB access;
Mobile terminal accesses the business that EPC carries out by WLAN;
Process description:
Step 801a: mobile terminal initiates carrying operation (such as carrying foundation/modification/deletion) or net in EPC network
Network side reaches PCRF, PCRF for the business information (for example, business information that TDF/AF is issued to PCRF) of a certain mobile terminal
It generates strategy.
Step 802a:PCRF passes through Gxd interface to BNG/BRAS sending strategy authorization requests.For example, PCRF is sent
" gateway control and strategy provide " message to BNG/BRAS, is used for request strategy authorization.
Step 803a:BNG/BRAS is interacted with PCRF+ implementation strategy, BNG/BRAS sending strategy authorization requests to PCRF+,
Delegated strategy is fed back to BNG/BRAS according to fixed network line resource implementation strategy authorization by PCRF+.For example, BNG/
" the gateway control and strategy provide " message of BRAS forwarding from PCRF to PCRF+, is used for request strategy authorization.PCRF+ is formulated
Delegated strategy is transmitted across " gateway control and strategy provide response " message to BNG/BRAS.
The policy authorization, also referred to as to the admission control of business.For example, if fixed network line resource is enough,
PCRF+ has carried out Successful authorization to the strategy of some business, then indicating to have approved the strategy, that is, allows the service creation,
The business is exactly received., whereas if fixed network line resource is insufficient, PCRF+ to the strategy execution of some business refusal,
It is exactly not receive the business.The policy authorization and admission control being subsequently noted are this meanings.
Policy authorization process can execute as follows:
The information (when Xy interface uses stateful conversation modes) or step 803a carried according to step 605,702 is taken
The information (when Xy interface uses stateless conversation modes) of band, PCRF+ is according to fixed network route ID or tunnel information, either
The service operation of how many current equipment of home address information judgement of equipment can calculate current on current fixed network route
How many vacant resource is gone back on fixed network route, if the resource for being able to satisfy step 803a request authorization is done most according to calculated result
Authorization decision afterwards, and feed back to BNG/BRAS.
Certainly, complicated policy authorization may moreover, and PCRF+ can also be according to spies such as user class, business-levels
Property the resource of request authorization is seized or is handled according to priority queueing etc..
Scene C1: it is suitable for following business
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Process description:
Step 801c: equipment initiates resource request or the adjustment of BBF Internet resources etc. from BBF network.
Step 802c:BNG/BRAS is interacted with PCRF implementation strategy, and for BNG/BRAS to PCRF request strategy, PCRF is business
It generates strategy, and transmits the policy to BNG/BRAS.For example, BNG/BRAS initiates the IPCAN session modification on Gxd interface
Operation, from PCRF acquisition strategy.
Step 803c:BNG/BRAS by the strategy obtained from PCRF be sent to PCRF+ request authorization, PCRF+ according to
Licensing scheme referring to 803a description is strategy execution authorization, and Authorization result is fed back to BNG/BRAS and is used to hold
Row.
Two flow instance one of scheme
The present embodiment is based on architectural schemes two, and scene is mobile terminal from H (e) NB system access, or from WLAN
System access establishes the scene of PDN connection for EPC-routed business, referring to Fig. 9.
Step 901-903: with step 601-603.
Step 904: with step 604.
Step 905: description is referring to step 605.
Two flow instance two of scheme
The present embodiment is based on architectural schemes two, and scene is WLAN-NSWO UE access, fixed equipment access, and RG is powered on
Xy interface signaling interaction under scene, referring to Figure 10.
The present embodiment contains three kinds of scenes, respectively corresponds three kinds of terminal devices below and business:
Mobile terminal NSWO business;
Access the business of the fixed network equipment of BBF network;
Work in the business under the home gateway of route pattern.
Step 1001a- step 1001c. is the same as step 701a- step 701c
Description of the step 1002. for architectural schemes two, there are two types of functions by the PCRF+: policy development and policy authorization.?
That is the PCRF+ of the step is integrated with the dual function of PCRF+ and PCRF in Fig. 7.Therefore in the step on Xy interface
Signalling exchange has also been combined into the dual function of signaling on Gxd interface and Xy interface in Fig. 7.
Signalling exchange on Xy interface can also use stateful session or stateless session two ways.Citing comes
It says, if use stateful conversation modes on Xy interface, when BNG/BRAS has detected equipment access, then initiates Xy and connect
Session establishment on mouth.
Two flow instance three of scheme
The present embodiment is based on architectural schemes two, is for annotating policy authorization.It is divided into three kinds of scenario As 2, B2, C2, referring to
Figure 11.
Scenario A 2: it is suitable for following business:
The business that mobile terminal is carried out by H (e) NB access;
Mobile terminal accesses the business that EPC carries out by WLAN.
Process description:
Step 1101a-1104a: with step 801a-804a.
Scenario B 2: it is suitable for following business:
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Process description:
Step 1101b: the PCRF+ for serving the above business is toggled, for example AF or TDF have relevant business information
It is issued to PCRF+, PCRF+ directly formulates delegated strategy according to fixed network line resource situation.
The strategy that step 1102b:PCRF+ is authorized by Xy interface to BNG/BRAS push.For example, PCRF+ is sent
" IP-CAN session modification " message is to BNG/BRAS, for pushing authorized strategy.BNG/BRAS is responded to PCRF+ and is responded
Message.
Step 1103b:PCRF+ responds response message, for example PCRF+ responds response message to AF or TDF.
Scene C2: it is suitable for following business:
Access the business of the fixed network equipment of BBF network;
Mobile terminal NSWO business;
Work in the business under the home gateway of route pattern.
Process description:
Step 1101c: equipment initiates resource request or the adjustment of BBF Internet resources etc. from BBF network.
Step 1102c: the step is integrated with the function of step 802c and 803c.That is: BNG/BRAS requests plan to PCRF+
Slightly, PCRF+ is that business formulates the strategy authorized, and the strategy of authorization is sent to BNG/BRAS according to fixed network line resource.It lifts
For example, BNG/BRAS initiates the IP-CAN session modification operation on Gxd interface, and the strategy of authorization is obtained from PCRF+.
The embodiment of the present invention also provides a kind of resource management network element, as shown in figure 12, comprising:
Authorization control unit, after receiving the strategy that the PCRF that BNG/BRAS is sent is formulated, implementation strategy authorization;
Transmission unit is refused for the strategy of the authorization control unit authorization to be sent to the BNG/BRAS or send
The message of strategy gives the BNG/BRAS absolutely.
PCRF can generate strategy for each business described in scheme one, may also be only first kind business and generate strategy.
Wherein, the authorization control unit implementation strategy authorization includes:
The authorization control unit is according to the authorization of fixed network line resource or the refusal strategy.
Wherein, the resource management network element further includes policy making unit, for receiving the specified of AF/TDF transmission
The business information of second class business or the BNG/BRAS send be the second class service request strategy message after, be
The second class business is generated strategy;
The transmission unit is also used to, and the strategy that the policy making unit is formulated is sent to the BNG/BRAS.
Wherein, the policy making unit is generated strategy for the second class business includes:
The policy making unit is that the second class business is generated strategy according to fixed network line resource.
The embodiment of the present invention also provides a kind of resource management system, comprising: above-mentioned resource management network element, further includes BNG/
BRAS, in which:
The BNG/BRAS is used for, and the strategy that PCRF is business formulation is sent to the resource management network element request and is awarded
Power, and after receiving the strategy for the authorization that the resource management network element is sent, execute the strategy of the authorization or awarded described
The strategy of power is sent to the PCRF.
Present invention implementation also provides a kind of resource management system, comprising: above-mentioned resource management network element, further includes BNG/
BRAS, in which:
The BNG/BRAS is used for, and is that the strategy that the first kind business is formulated is sent to the resource pipe by the PCRF
Network element request authorization is managed, and after receiving the strategy for the authorization that the resource management network element is sent, executes the strategy of the authorization
Or the strategy of the authorization is sent to the PCRF.
Wherein, the BNG/BRAS is also used to, and is the second class business to the resource management network element request strategy, is connect
Receiving the resource management network element is the strategy that the second class business is formulated.
Wherein, the system also includes AF/TDF, in which:
The AF/TDF is used for, and Xiang Suoshu resource management network element sends the business information of the second class business;
The BNG/BRAS is also used to, and receiving the resource management network element is the strategy that the second class business is formulated.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program
Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD
Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly
Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module
Formula is realized.The present invention is not limited to the combinations of the hardware and software of any particular form.
Claims (9)
1. a kind of method for managing resource, which is characterized in that resource management network element is located at mobile network domain, has dual function: for
Plan is generated strategy and authorized to the strategy that first kind service authorization is formulated by "Policy and Charging Rules Function PCRF for the second class business
Slightly, comprising:
The resource management network element receives the policy authorization that wideband network gateway/Broadband Remote Access Server BNG/BRAS is sent
Authorization result is fed back to the BNG/BRAS by request, delegated strategy;
The resource management network element receives the business information or BNG/BRAS that application function/business detection function AF/TDF is sent
The strategy request of transmission is generated strategy and is authorized, and the strategy of authorization is pushed to the BNG/BRAS;
The first kind business includes one or a combination set of following: the business that mobile terminal is carried out by Home eNodeB access;It moves
The business that dynamic terminal is carried out by WLAN core network access;The WLAN of mobile terminal non-seamless shunts NSWO industry
Business;
The second class business includes one or a combination set of following: the business of the fixed network equipment of access band forum BBF network;It moves
The WLAN of dynamic terminal non-seamless shunts NSWO business;Work in the business under the home gateway of route pattern.
2. the method as described in claim 1, which is characterized in that the resource management network element receives the business letter that AF/TDF is sent
The strategy request that breath or BNG/BRAS are sent, generates strategy and authorizes, the strategy of authorization is sent to the BNG/BRAS, wraps
Include: the resource management network element receives the business information or described for the second specified class business that the AF/TDF is sent
BNG/BRAS send be the second class service request strategy message after, generate strategy and send for the second class business
To the BNG/BRAS.
3. method according to claim 2, which is characterized in that the resource management network element is that the second class business formulates plan
Slightly include:
The resource management network element is that the second class business is generated strategy according to fixed network line resource.
4. the method as described in claims 1 to 3 is any, which is characterized in that
Interaction between the BNG/BRAS and the resource management network element is based on state session mode, alternatively, stateless session
Mode.
5. a kind of resource management network element, which is characterized in that resource management network element is located at mobile network domain, has dual function: for
Plan is generated strategy and authorized to the strategy that first kind service authorization is formulated by "Policy and Charging Rules Function PCRF for the second class business
Slightly, comprising:
The request for policy authorization sent for receiving wideband network gateway/Broadband Remote Access Server BNG/BRAS, authorizes plan
Slightly, Authorization result is fed back to the unit of the BNG/BRAS;
Policy making unit, the second specified class business sent for receiving application function/business detection function AF/TDF
Business information or the BNG/BRAS send be the second class service request strategy message after, be second class
Business is generated strategy;
Transmission unit, for the delegated strategy to be sent to the BNG/BRAS or sends the message of refusal strategy to described
BNG/BRAS;It is also used to the strategy that the policy making unit is formulated being sent to the BNG/BRAS;
The first kind business includes one or a combination set of following: the business that mobile terminal is carried out by Home eNodeB access;It moves
The business that dynamic terminal is carried out by WLAN core network access;The WLAN of mobile terminal non-seamless shunts NSWO industry
Business;
The second class business includes one or a combination set of following: the business of the fixed network equipment of access band forum BBF network;It moves
The WLAN of dynamic terminal non-seamless shunts NSWO business;Work in the business under the home gateway of route pattern.
6. resource management network element as claimed in claim 5, which is characterized in that the policy making unit is the second class industry
Business, which is generated strategy, includes:
The policy making unit is that the second class business is generated strategy according to fixed network line resource.
7. such as resource management network element described in claim 5 or 6, which is characterized in that
Interaction between the resource management network element and the BNG/BRAS is based on state session mode, alternatively, stateless session
Mode.
8. a kind of resource management system characterized by comprising the resource management network element as described in claim 5-7 is any, also
Including wideband network gateway/Broadband Remote Access Server BNG/BRAS, in which:
The BNG/BRAS is used for, and is the second class business to the resource management network element request strategy, is received the resource
Managed network element is the strategy that the second class business is formulated.
9. system as claimed in claim 8, which is characterized in that the system also includes application function/business detection function AF/
TDF, in which:
The AF/TDF is used for, and Xiang Suoshu resource management network element sends the business information of the second class business;
The BNG/BRAS is also used to, and receiving the resource management network element is the strategy that the second class business is formulated.
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CN102316533A (en) * | 2010-07-07 | 2012-01-11 | 中兴通讯股份有限公司 | Information transmission method for admission control and admission control system |
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CN102316533A (en) * | 2010-07-07 | 2012-01-11 | 中兴通讯股份有限公司 | Information transmission method for admission control and admission control system |
WO2012010036A1 (en) * | 2010-07-23 | 2012-01-26 | 中兴通讯股份有限公司 | Policy control method and system |
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