CN102378356B - A kind of method of multi-link framework and realization attachment and resources control - Google Patents
A kind of method of multi-link framework and realization attachment and resources control Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
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- H—ELECTRICITY
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- H04W8/26—Network addressing or numbering for mobility support
Abstract
The invention discloses a kind of method of multi-link framework and realization attachment and resources control, when UE detects new access networks available and is attached to this access network, UE is by mutual with NACF, and complete access authentication, NACF distributes the address of new access network to UE; NACF reports new link information to MTCF, and the connection new to this by MTCF is registered, and safeguards the available link information of UE.When carrying out resources control, the process of multi-link business is completed by MSCF, multi-link control is completed by MTCF, the control of multi-link resource is then completed by RACF (or PS-PE).Visible by the present invention program, provided by the inventionly realize multi-link framework and clearly divided the function of each functional module, simplify MTCF practical function, reduce and realize multi-link framework complexity in actual applications.
Description
Technical field
The present invention relates to Multi net voting interconnection technique, the method for espespecially a kind of multi-link framework and realization attachment and resources control.
Background technology
Multimode terminal can realize the seamless link between different types of radio access network, as the connection of honeycomb UMTS/EDGE/GPRS and IEEE802.11 WLAN (wireless local area network) (WLAN).
WLAN can provide very high data rate in family among a small circle and hot spot region; And cellular network can provide higher flexibility and ubiquitous covering, but data rate is lower.If can in conjunction with both advantages, user can benefit from it.In the coverage of wlan access point, multimode terminal utilizes WLAN to carry out data access and VoIP application, can also use overlapping cellular network simultaneously, carry out audio call or media interviews.
Along with the development of network technology and user are to the demand of business, heterogeneous network, by supporting the multi-link ability of multimode terminal, makes terminal can be connected with multiple network and communicates simultaneously, carry one or more business.Because different networks connects, there is different characteristics and transmittability, thus meet the demand of user multi-service better.
Fig. 1 realizes multi-link configuration diagram, as shown in Figure 1, multi-link in order to support, introduce multi-link transmission controlling functions (MTCF, Multi-ConnectionTransportControlFunctions), for the available multi-link information of the multi-link terminal of responsible maintenance, office terminal is at the delivery flow rate of different access networks.MTCF comprises multi-link media control function entity (MMC-FE, and multi-link registering functional entity (MR-FE Multi-connectionMediaControl-FunctionalEntity), Multi-connectionRegistration-FunctionalEntity), wherein
MMC-FE be mainly used in responsible UE multi-link under IP layer route; MR-FE is used for the available connection management being responsible for UE, safeguards available link information.
MTCF receives multi-link business information from multi-link service control function (MSCF, Multi-connectionServiceControlFunction).
MTCF is to policy store functional entity (PS-FE, PolicyStorage-FunctionalEntity) or resource accommodating control function (RACF, ResourceandAdmissionControlFunctions) send multi-link resource request message.Wherein, PS-FE is responsible for the formulation of multi-link strategy, such as bandwidth, expense, quality, safety etc.
RACF is the standard of the related resources call access control formulated by standardization department of international telecommunication union telecommunication (ITU-T, InternationalTelecommunicationUnion-Telecommunicationsst andardizationsector).In the Y.2111 standard that ITU-T issues, provide the functional framework of RACF, as in Fig. 1, RACF is made up of two parts, policy deciding functional entity (PD-FE respectively, and transfer resource controlling functions entity (TRC-FE, TransportResourceControlFunctionalEntity) PolicyDecisionFunctionalEntity).Wherein, PD-FE policing rule Network Based, service control function (SCF, ServiceControlFunctions) business information provided, network attachment controlling functions (NACF, NetworkAttachmentControlFunctions) the transport layer CAMEL-Subscription-Information provided, and the Resource Availability result of decision that TRC-FE provides, make the last decision-making of resource and admission control.
NACF is the network attachment controlling functions formulated by ITU-T, and the major function provided comprises: for user terminal dynamically provides IP address and other configuration parameter; Subscription authentication is carried out before distributing IP address or in distributing IP address process; Based on user's inventory, network insertion is authorized; Based on user's inventory, access network is configured; Location management etc.
Fig. 2 realizes multi-link flow chart in prior art, mainly comprises the following steps:
Step 200:UE detects new access networks available, and is attached to this access network, after access authentication, obtains the IP address under this access network.Here, IP address is distributed by MTCF.
Step 201:UE sends to MTCF and connects update request message, in connection update request message, comprise new link information, as new IP address etc.
Step 202:MTCF registers this new link information, safeguards the available link information of UE.
Step 203:MTCF sends resource request message to PS-FE, to carry out service quality (QoS) policy control to the transfer resource in new access network, carries new link information in this resource request message.
After step 204:PS-FE receives resource request message, carry out strategic decision-making, formulate qos policy rule; PS-FE sends resource request message to TF, carries the qos policy rule that PS-FE formulates in this resource request message.
After step 205:TF installs corresponding strategies rule, send resource request response message to PS-FE.
Step 206:PS-FE sends resource request response message to MTCF.
Step 207:MTCF returns to UE and connects update request response message.
Realize in multi-link flow process at existing shown in Fig. 2, the IP address of the new access network of UE is provided by MTCF; Resources control flow process under multi-link triggers MTCF by UE and realizes to PS-FE transmission resource request message.
From existing method, in framework, the function of each functional module divides clear not, makes MTCF practical function too complicated, adds and existingly realize multi-link framework complexity in actual applications.
Summary of the invention
In view of this, main purpose of the present invention is a kind of method providing multi-link framework and realize attachment and resources control, can the function of each functional module of clear division, simplify MTCF practical function, reduce and realize multi-link framework complexity in actual applications.
For achieving the above object, technical scheme of the present invention is achieved in that
A multi-link framework, at least comprises network attachment controlling functions NACF, multi-link transmission controlling functions MTCF, wherein,
NACF, for new access networks available being detected at user terminal UE, and when being attached to this access network, carries out alternately, completing access authentication with UE, and gives UE distributing IP address; The new link information of user is sent to MTCF;
MTCF, registers for the link information new to this, safeguards the available link information of UE.
Described MTCF, specifically for the described new link information of user and user's overall identification being bound, and stores this binding information; Send to described NACF and new connection report response.
This framework also comprises multi-link service control function MSCF, resource accommodating control function RACF or policy store functional entity PS-FE, and transfer function TF, wherein,
MSCF, for receiving the multi-link business request information from UE, determine the qos parameter of asked multi-link business, generate multi-link control request message and send to MTCF, in described multi-link control request message, carrying station address information and/or business information and/or qos parameter; Receive the multi-link control response from MTCF, and return multi-link service response to UE;
Described MTCF, also for receiving the multi-link control request message from MSCF, the link information corresponding according to the station address information inquiry of carrying in this multi-link control request message, send multi-link resource request message to RACF or PS-FE, in multi-link resource request message, carry the link information inquired and/or business information and/or qos parameter; Receive the multi-link resource response from RACF or PS-FE, and send multi-link control response to MSCF;
RACF or PS-FE, for receiving the multi-link resource request from MTCF, carries out receiving decision-making according to contract inventory, current available resource information of user, if receive current multi-link resource request message, then and rule of generating strategy; Send resource request message to TF, in this resource request message, carry the policing rule of formulation; The resource request received from TF responds, and returns multi-link resource response to MTCF;
TF, for installing the described policing rule received, and returns resource request response to RACF or PS-FE.
A multi-link framework, at least comprises multi-link transmission controlling functions MTCF, multi-link service control function MSCF, resource accommodating control function RACF or policy store functional entity PS-FE, wherein,
MSCF, for receiving the multi-link business request information from UE, determine the qos parameter of asked multi-link business, generate multi-link control request message and send to MTCF, in described multi-link control request message, carrying station address information and/or business information and/or qos parameter; Receive the multi-link control response from MTCF, and return multi-link service response to UE;
Described MTCF, for receiving the multi-link control request message from MSCF, the link information corresponding according to the station address information inquiry of carrying in this multi-link control request message, send multi-link resource request message to RACF or PS-FE, in described multi-link resource request message, carry the link information and/or business information inquired and/or qos parameter; Receive the multi-link resource response from RACF or PS-FE, and send multi-link control response to MSCF;
RACF or PS-FE, for receiving the multi-link resource request from MTCF, carry out receiving decision-making, if receive current multi-link resource request message according to contract inventory, current available resource information of user, then to generate strategy rule, return multi-link resource response to MTCF;
Realize a method of adhering to, the method comprises:
UE detects new access networks available, is attached to this access network; UE and NACF is mutual, and complete access authentication, NACF is to UE distributing IP address;
NACF reports new link information to the multi-link registering functional entity MR-FE in MTCF; The link information that MR-FE is new to this is registered, and safeguards the available link information of UE.
Described new link information comprises new IP address, and logic access identifies and/or physics access mark.
The available link information of the described UE of maintenance comprises: described MR-FE by user ID with bind available connection of user.
The method also comprises: described MR-FE returns to NACF and new connection reports response message.
Realize a method for resources control, comprising:
User sends multi-link business request information to MSCF, triggers MSCF and generates multi-link control request message; After MSCF determines the service business qos parameter of asked multi-link business, send multi-link control request message to the MMC-FE in MTCF, in this multi-link control request message, carry station address information, business information, qos parameter;
After MMC-FE receives multi-link control request message, according to the link information of the station address information of carrying in this message to MR-FE inquiry correspondence, send multi-link resource request message to RACF or PS-FE, in this multi-link resource request message, carry the link information, business information, the qos parameter that inquire;
RACF or PS-FE generates strategy rule.
Described RACF or PS-PE generates strategy before rule and also comprises: carry out receiving decision-making according to contract inventory, current available resource information of user, and after the current multi-link resource request of receiving, perform the step of rule of generating strategy.
The method also comprises:
Described RACF or PS-FE returns multi-link resource response message to the MMC-FE in MTCF;
Described MMC-FE returns multi-link control response message to MSCF;
Described MSCF returns multi-link service response message to user.
As can be seen from the technical scheme that the invention described above provides, when UE detects new access networks available and is attached to this access network, UE is by mutual with NACF, and complete access authentication, NACF distributes the address of new access network to UE; NACF reports new link information to MTCF, and the connection new to this by MTCF is registered, and safeguards the available link information of UE.When carrying out resources control, the process of multi-link business is completed by MSCF, multi-link control is completed by MTCF, the control of multi-link resource is then completed by RACF (or PS-PE).Visible by the present invention program, provided by the inventionly realize multi-link framework and clearly divided the function of each functional module, simplify MTCF practical function, reduce and realize multi-link framework complexity in actual applications.
Accompanying drawing explanation
Fig. 1 realizes multi-link configuration diagram;
Fig. 2 realizes multi-link flow chart in prior art;
Fig. 3 is the composition structural representation that the present invention realizes multi-link framework;
Fig. 4 is the schematic diagram of the composition connection embodiment realizing the related entities of the realization attachment of multi-link framework based on the present invention;
Fig. 5 is the flow chart of the embodiment realizing the realization attachment of multi-link framework based on the present invention;
Fig. 6 is the schematic diagram realizing the composition connection embodiment of the related entities of resources control realizing multi-link framework based on the present invention;
Fig. 7 is the flow chart realizing the embodiment of resources control realizing multi-link framework based on the present invention.
Embodiment
Fig. 3 is the composition structural representation that the present invention realizes multi-link framework, as shown in Figure 3, comprises NACF, MSCF, MTCF, RACF (or PS-FE) and TF, wherein,
NACF, for new access networks available being detected at UE, and when being attached to this access network, carries out alternately, completing access authentication with UE, and gives UE distributing IP address; The link information of user is sent to MTCF; Wherein, the link information of user comprises: IP address, and physics access mark, and/or logic access mark.
MTCF, registers for the link information new to this, safeguards the available link information of UE.Specifically for, the link information of user and user's overall identification are bound, and stores this binding information; Send to NACF and new connection report response; Also for receiving the multi-link control request message from MSCF, the link information corresponding according to the station address information inquiry of carrying in this multi-link control request message, send multi-link resource request message to RACF (or PS-FE), in multi-link resource request message, carry the link information inquired and/or business information and/or qos parameter; Receive the multi-link resource response from RACF (or PS-FE), and send multi-link control response to MSCF;
MSCF, for receiving the multi-link business request information from UE, determine the qos parameter (as bandwidth, type of service etc.) of asked multi-link business, generate multi-link control request message and send to MTCF, in multi-link control request message, carrying station address information and/or business information and/or qos parameter; Receive the multi-link control response from MTCF, and return multi-link service response to UE;
RACF (or PS-FE), for receiving the multi-link resource request from MTCF, carries out receiving decision-making according to contract inventory, current available resource information of user, if receive current multi-link resource request message, then and rule of generating strategy; Send resource request message to TF, in this resource request message, carry the policing rule of formulation; The resource request received from TF responds, and returns multi-link resource response to MTCF;
TF, for installing the policing rule received, and returns resource request response to RACF (or PS-FE).
Describe respectively below in conjunction with embodiment and realize multi-link framework based on the present invention, realize UE attachment, and realize the specific implementation of resources control.
Fig. 4 is the schematic diagram of the composition connection embodiment realizing the related entities of the realization attachment of multi-link framework based on the present invention, and as shown in Figure 4, the operation principle realizing under this framework adhering to is:
First, as (1) in Fig. 4, UE detects new access networks available, and is attached to this access network; UE and NACF is mutual, and complete access authentication, NACF is to UE distributing IP address;
Then, as (2) in Fig. 4, NACF reports new link information to MTCF, and wherein new link information comprises new IP address, and logic access mark and/or physics access mark etc.;
Then, as (3) in Fig. 4, the connection that MTCF is new to this is registered, and safeguards the available link information of UE.Particularly, MTCF by user ID with bind available connection of user; MTCF returns to NACF and new connection reports response message.
Fig. 5 is the flow chart of the embodiment realizing the realization attachment of multi-link framework based on the present invention, as shown in Figure 5, specifically comprises the following steps:
Step 500:UE detects new access networks available, and is attached to this access network; UE and NACF is mutual, and complete access authentication, NACF is to UE distributing IP address.
Step 501:NACF reports new link information to the MR-FE in MTCF, and wherein, new link information comprises new IP address, and logic access mark and/or physics access mark etc.
Step 502:MR-FE registers this new link information, safeguards the available link information of UE.Particularly, MR-FE by user ID with bind available connection of user.
Step 503:MR-FE returns to NACF and new connection reports response message.
Fig. 6 is the schematic diagram realizing the composition connection embodiment of the related entities of resources control realizing multi-link framework based on the present invention, and as shown in Figure 6, the operation principle realizing resources control under this framework is:
First, as (1) in Fig. 6, user sends multi-link business request information to MSCF, triggers MSCF and generates multi-link request message;
Then, as (2) in Fig. 6 ~ (3), after MSCF determines the qos parameter (as bandwidth, type of service etc.) of asked multi-link business, send multi-link control request message to MTCF, in this multi-link control request message, carry station address information (as IP address), business information, qos parameter; After MTCF receives multi-link request message, the link information corresponding according to the station address information inquiry of carrying in this message; MTCF sends multi-link resource request message to RACF (or PS-FE), carries the link information, business information, the qos parameter that inquire in this multi-link resource request message;
Afterwards, as (4) in Fig. 6, RACF (or PS-FE) carries out receiving decision-making according to contract inventory, current available resource information of user, if determine to receive current multi-link resource request, then RACF (or PS-FE) generates strategy rule; RACF (or PS-FE) sends resource request message to TF, carries the policing rule made in this resource request message;
Finally, as (5) in Fig. 6 ~ (8), TF installs the policing rule obtained, and sends resource request response message to RACF (or PS-FE); RACF (or PS-FE) sends multi-link resource response message to MTCF; MTCF sends multi-link control response message to MSCF; MSCF sends multi-link service response message to user.
Fig. 7 is the flow chart realizing the embodiment of resources control realizing multi-link framework based on the present invention, as shown in Figure 7, specifically comprises the following steps:
Step 700: user sends multi-link business request information to MSCF, triggers MSCF and generates multi-link control request message.
After step 701:MSCF determines the qos parameter (as bandwidth, type of service etc.) of asked multi-link business, send multi-link control request message to the MMC-FE in MTCF, in this multi-link control request message, carry station address information (as IP address), business information, qos parameter.
In this step, the determination of qos parameter belongs to prior art, and specific implementation does not belong to protection scope of the present invention, is also not intended to limit the scope of the invention, and no longer describes in detail here.
After step 702:MMC-FE receives multi-link control request message, according to the link information of the station address information of carrying in this message to MR-FE inquiry correspondence.
Step 703:MMC-FE sends multi-link resource request message to RACF (or PS-FE), carries the link information, business information, the qos parameter that inquire in this multi-link resource request message.
Step 704:RACF (or PS-FE) carries out receiving decision-making according to contract inventory, current available resource information of user, if receive current multi-link resource request, then RACF (or PS-FE) generates strategy rule; RACF (or PS-FE) sends resource request message to TF, carries the policing rule made in this resource request message.
In this step, receive the appointment of decision-making and policing rule to belong to prior art, specific implementation does not belong to protection scope of the present invention, is also not intended to limit the scope of the invention, and no longer describes in detail here.
Step 705:TF installs the policing rule made, and returns resource request response message to RACF (or PS-FE).
Step 706:RACF (or PS-FE) returns multi-link resource response message to the MMC-FE in MTCF.
Step 707:MMC-FE returns multi-link control response message to MSCF.
Step 708:MSCF returns multi-link service response message to user.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a multi-link framework, is characterized in that, at least comprises network attachment controlling functions NACF, multi-link transmission controlling functions MTCF, wherein,
NACF, for new access networks available being detected at user terminal UE, and when being attached to this access network, carries out alternately, completing access authentication with UE, and gives UE distributing IP address; The new link information of user is sent to MTCF;
MTCF, registers for the link information new to this, safeguards the available link information of UE;
This framework also comprises multi-link service control function MSCF, resource accommodating control function RACF or policy store functional entity PS-FE, and transfer function TF, wherein,
MSCF, for receiving the multi-link business request information from UE, determine the qos parameter of asked multi-link business, generate multi-link control request message and send to MTCF, in described multi-link control request message, carrying station address information and/or business information and/or qos parameter; Receive the multi-link control response from MTCF, and return multi-link service response to UE;
Described MTCF, also for receiving the multi-link control request message from MSCF, the link information corresponding according to the station address information inquiry of carrying in this multi-link control request message, send multi-link resource request message to RACF or PS-FE, in multi-link resource request message, carry the link information inquired and/or business information and/or qos parameter; Receive the multi-link resource response from RACF or PS-FE, and send multi-link control response to MSCF;
RACF or PS-FE, for receiving the multi-link resource request from MTCF, carries out receiving decision-making according to contract inventory, current available resource information of user, if receive current multi-link resource request message, then and rule of generating strategy; Send resource request message to TF, in this resource request message, carry the policing rule of formulation; The resource request received from TF responds, and returns multi-link resource response to MTCF;
TF, for installing the described policing rule received, and returns resource request response to RACF or PS-FE.
2. framework according to claim 1, is characterized in that, described MTCF, specifically for the described new link information of user and user's overall identification being bound, and stores this binding information; Send to described NACF and new connection report response.
3. a multi-link framework, is characterized in that, at least comprises multi-link transmission controlling functions MTCF, multi-link service control function MSCF, resource accommodating control function RACF or policy store functional entity PS-FE, wherein,
MSCF, for receiving the multi-link business request information from UE, determine the qos parameter of asked multi-link business, generate multi-link control request message and send to MTCF, in described multi-link control request message, carrying station address information and/or business information and/or qos parameter; Receive the multi-link control response from MTCF, and return multi-link service response to UE;
Described MTCF, for receiving the multi-link control request message from MSCF, the link information corresponding according to the station address information inquiry of carrying in this multi-link control request message, send multi-link resource request message to RACF or PS-FE, in described multi-link resource request message, carry the link information and/or business information inquired and/or qos parameter; Receive the multi-link resource response from RACF or PS-FE, and send multi-link control response to MSCF;
RACF or PS-FE, for receiving the multi-link resource request from MTCF, carry out receiving decision-making, if receive current multi-link resource request message according to contract inventory, current available resource information of user, then to generate strategy rule, return multi-link resource response to MTCF.
4. realize a method for resources control, it is characterized in that, comprising:
User sends multi-link business request information to multi-link service control function MSCF, triggers MSCF and generates multi-link control request message; After MSCF determines the service business qos parameter of asked multi-link business, send multi-link control request message to the multi-link media control function entity MMC-FE in multi-link transmission controlling functions MTCF, in this multi-link control request message, carry station address information, business information, qos parameter;
After MMC-FE receives multi-link control request message, corresponding link information is inquired about to multi-link registering functional entity MR-FE according to the station address information of carrying in this message, send multi-link resource request message to resource accommodating control function RACF or policy store functional entity PS-FE, in this multi-link resource request message, carry the link information, business information, the qos parameter that inquire;
RACF or PS-FE generates strategy rule.
5. method according to claim 4, it is characterized in that, described RACF or PS-PE generates strategy before rule and also comprises: carry out receiving decision-making according to contract inventory, current available resource information of user, and after the current multi-link resource request of receiving, perform the step of rule of generating strategy.
6. the method according to claim 4 or 5, is characterized in that, the method also comprises:
Described RACF or PS-FE returns multi-link resource response message to the MMC-FE in MTCF;
Described MMC-FE returns multi-link control response message to MSCF;
Described MSCF returns multi-link service response message to user.
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| CN201010257656.3A CN102378356B (en) | 2010-08-16 | 2010-08-16 | A kind of method of multi-link framework and realization attachment and resources control |
| PCT/CN2010/077546 WO2012022064A1 (en) | 2010-08-16 | 2010-09-30 | Multi-connection system, and method for achieving attachment and resource control |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101483847A (en) * | 2008-01-07 | 2009-07-15 | 华为技术有限公司 | Method, apparatus and system for implementing policy control |
| CN101247652A (en) * | 2008-03-19 | 2008-08-20 | 中兴通讯股份有限公司 | Resource admission control method and system |
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| WO2012022064A1 (en) | 2012-02-23 |
| CN102378356A (en) | 2012-03-14 |
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