WO2012097698A1 - Système de commande de services multi-connexions et procédé de répartition du trafic de services multi-connexions - Google Patents

Système de commande de services multi-connexions et procédé de répartition du trafic de services multi-connexions Download PDF

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Publication number
WO2012097698A1
WO2012097698A1 PCT/CN2012/070229 CN2012070229W WO2012097698A1 WO 2012097698 A1 WO2012097698 A1 WO 2012097698A1 CN 2012070229 W CN2012070229 W CN 2012070229W WO 2012097698 A1 WO2012097698 A1 WO 2012097698A1
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Prior art keywords
entity
connection
mue
request
traffic
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PCT/CN2012/070229
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English (en)
Chinese (zh)
Inventor
尤建洁
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中兴通讯股份有限公司
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Publication of WO2012097698A1 publication Critical patent/WO2012097698A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/14—Multichannel or multilink protocols

Definitions

  • the present invention relates to the field of communications, and in particular, to a multi-connection service control system and a multi-connection service traffic distribution method.
  • Multimode terminals can implement seamless connections between different types of wireless access networks, such as Cellular UMTS (Universal Mobile Telecommunications System) / EDGE (Enhanced Data Rate for GSM Evolution) /GPRS (General Packet Radio Service) is connected to IEEE 802.11 (Wireless Local Area Network) wireless (Wireless Local Area Network, WLAN for short).
  • WLANs provide high data rates in a small range of homes and hotspots, while cellular networks offer greater flexibility and ubiquitous coverage, but at lower data rates, if combined with the advantages of both, users will Can benefit from it.
  • multimode terminals use WLAN for data access and VoIP (VoIP over Internet Protocol) applications, while also using overlapping cellular networks for voice calls or media access.
  • heterogeneous networks will support multi-connection capabilities of multi-mode terminals, enabling terminals to simultaneously communicate with multiple network connections to carry one or more services. Because different network connections have different characteristics and transmission capabilities, they can better meet the diverse needs of users.
  • ITU-T International Telecommunication Union-Telecommunications Standardization Sector
  • the object of the present invention is to provide a multi-connection service control system, which provides the possibility of realizing multi-connection service traffic distribution.
  • the multi-connection service control system provided by the present invention includes: a multi-connection user list function entity (MUP-FE) and a multi-connection registration function entity (MR-FE), the MUP-FE and the MR-FE There is an interactive interface, where:
  • the MR-FE is configured to: send the available connection information of the managed multi-connected user equipment (MUE) to the MUP-FE;
  • MUE managed multi-connected user equipment
  • the MUP-FE is configured to: receive and store available connection information of the MUE.
  • the MUP-FE is further configured to: after receiving the available connection information of the MUE, reply a response message to the MR-FE.
  • system further comprises: a multi-connection application support function (MASF) entity,
  • MASF multi-connection application support function
  • the MASF entity is connected to the MUP-FE;
  • the MASF entity is configured to: after receiving the traffic allocation request, query the available connection information of the MUE that needs to perform traffic allocation from the available connection information of the MUE stored in the MUP-FE, and perform traffic distribution based on the available connection information. decision making.
  • the traffic allocation decision is: deciding whether to select a new connection to provide services for the MUE that needs to perform traffic allocation.
  • the traffic allocation request is sent by the MUE that needs to perform traffic distribution to the MASF entity by using a Multi-Connection Service Control Function (MSCF) entity, and the traffic distribution request sent by the MUE is a media offloading request message.
  • MSCF Multi-Connection Service Control Function
  • the system further includes a multi-connection service control function (MSCF) entity; the MSCF entity is configured to: when it is determined that the second MUE that the first MUE that initiates the service requests to establish communication currently has more than two connections, The MASF entity sends a service decomposition request message as a traffic allocation request, where the identifier information of the MUE that needs to perform traffic allocation is included.
  • MSCF multi-connection service control function
  • the MASF entity includes a traffic allocation decision unit and a policy rule installation triggering unit, where:
  • the traffic distribution decision unit is configured to: perform traffic allocation decision according to the received traffic allocation request and the available connection information of the MUE that needs to be configured for traffic distribution from the MUP-FE;
  • the policy rule installation triggering unit is configured to: when the traffic allocation decision unit decides to allow the MUE that needs to perform traffic allocation to allocate traffic to a new connection, control the functional entity (MPC) through the MSCF entity to the multi-connection policy -FE) Initiating a request, requesting the MPC-FE to formulate a policy rule and install the TF corresponding to the new connection and the transport function entity (TF) corresponding to the old connection.
  • MPC functional entity
  • TF transport function entity
  • the policy rule installation triggering unit is set to:
  • Another object of the present invention is to provide a method of implementing multi-connection service traffic distribution.
  • the multi-connection service traffic distribution method of the present invention includes:
  • a user equipment (MUE) or a multi-connection service control function (MSCF) entity supporting a multi-connection function sends a traffic allocation request
  • the multi-connection application support function (MASF) entity that receives the traffic allocation request queries the available connection information of the MUE that needs to perform traffic allocation from the available connection information of the MUE stored by the multi-connection user list function entity (MUP-FE), the MASF The entity performs a traffic allocation decision based on the available connection information;
  • MUP-FE multi-connection user list function entity
  • the available connection information of the MUE stored by the MUP-FE is determined by the multi-connection registration function entity
  • MR-FE is sent to the MUP-FE through an interface between the MR-FE and the MUP-FE.
  • the traffic allocation decision is: deciding whether to select a new connection to provide services for the MUE that needs to perform traffic allocation.
  • the step of the MUE sending a traffic allocation request includes:
  • a media offload request message as a traffic allocation request to the MASF entity by using a multi-connection service control function (MSCF) entity;
  • MSCF multi-connection service control function
  • the MUE that needs to perform traffic allocation is the MUE allocated by the originating traffic.
  • the step of the MSCF entity sending a traffic allocation request includes:
  • the MSCF entity sends a service decomposition request message as a traffic allocation request, where the MUE needs to perform traffic allocation. Identification information.
  • the step of the MASF entity performing traffic allocation decision based on available connection information includes:
  • the MASF entity performs a traffic allocation decision according to the received traffic allocation request and the available connection information of the MUE that needs to perform traffic allocation from the MUP-FE, when the decision allows the MUE to allocate traffic to the new connection.
  • the MASF entity initiates a request to the multi-connection policy control function entity (MPC-FE) by the MSCF entity, and requests the MPC-FE to formulate a TF corresponding to the new connection and a transport function entity (TF) corresponding to the old connection. Policy rules and installation.
  • MPC-FE multi-connection policy control function entity
  • the MASF entity initiates a request to the MPC-FE by using the MSCF entity, and requests the MPC-FE to formulate a policy rule for the TF corresponding to the new connection and the TF corresponding to the old connection, and the installation steps include:
  • the MASF entity initiates a first request to the MPC-FE through the MSCF entity, requests the MPC-FE to formulate a new policy rule for the first TF corresponding to the new connection, and installs the new policy rule to the first TF.
  • the first request includes the quality of service resource requirement information of the new connection;
  • the MASF entity initiates a second request to the MPC-FE through the MSCF entity, requests the MPC-FE to re-define the policy rule for the second TF corresponding to the old connection, and installs the re-established policy rule to the second TF,
  • the second request contains new quality of service resource requirement information for the old connection.
  • the MUP-FE can be used by the MASF entity to perform the multi-connection service traffic allocation, which provides a possibility for multi-connection service traffic distribution.
  • the user can independently select different connection bearer services according to current network status, tariff, service type and other factors, so as to maximize the user service experience and minimize the service charge.
  • FIG. 1 is a block diagram of Embodiment 1 of the present invention.
  • FIG. 2 is a flow chart of the user-initiated multi-connection service traffic distribution according to the implementation of the present invention
  • FIG. 3 is a flow chart of the network side initiating multi-connection service traffic distribution according to the implementation of the present invention.
  • the present invention provides a multi-connection architecture, which ensures that a functional entity that performs a multi-connection service traffic allocation decision can obtain available connection information of a user during a service process.
  • the multi-connection architecture provided in this embodiment includes:
  • Multi-connection Application Support Functions provide support for multi-connection services at the application layer.
  • MSCF Multi-connection Service Control Functions
  • MR-FE Multi-connection Registration - Functional Entity
  • Multi-connection Media Control - Functional Entity is mainly responsible for IP layer routing under multiple connections of UEs.
  • Multi-connection Mobility Management (Functional Entity, MMM-FE) is mainly responsible for user location management and mobility management.
  • Multi-connection Policy Control - Functional Entity (MPC-FE), which is mainly responsible for multi-connection policy control;
  • MUP-FE Multi-connection User Profile
  • a multi-connection user equipment is connected to the multi-connection architecture through the access network, and the access network includes an access point (AP) and an access point (AP).
  • Multi-connection Access Control Functional Entity MAC-FE.
  • the multi-connection registration function entity in order to achieve multi-connection service traffic allocation, the multi-connection registration function entity
  • MR-FE has an interaction interface with the multi-connection user list function entity (MUP-FE), and the multi-connection registration function entity (MR-FE) sends the user-usable connection to the multi-connection user list function entity (MUP-FE)
  • MUP-FE multi-connection user list function entity
  • the information, multi-connection user list function entity stores the user's available connection information for use by the Multi-Connection Application Support Function (MASF) entity in making multi-connection service traffic assignment decisions.
  • MUP-FE multi-connection user list function entity
  • the multi-connection architecture for realizing multi-connection service traffic distribution includes at least: MUP-FE and MR-FE, and an interaction interface exists between the MUP-FE and the MR-FE, where:
  • the MR-FE is configured to send the available connection information of the MUE that it manages to the MUP-FE, and the MUP-FE is configured to receive and store the available connection information of the foregoing MUE.
  • the MUP-FE is further configured to: after receiving the available connection information of the MUE, reply a response message to the MR-FE.
  • the system further includes: a MASF entity, which is connected to the MUP-FE, and is configured to query, from the available connection information of the MUE stored by the MUP-FE, the MUE that needs to perform traffic allocation after receiving the traffic allocation request
  • the connection information is available, and the traffic allocation decision is made based on the available connection information.
  • the above traffic allocation decision is used to decide whether to select a new connection for traffic distribution.
  • MUE provides services.
  • the traffic allocation request is sent by the MUE that needs to perform traffic allocation to the MASF entity by using the MSCF entity, and the traffic allocation request sent by the MUE is The body is a media offload request message.
  • the system further includes an MSCF entity, configured to send, to the MASF entity, the traffic when the second MUE that is requested to establish the communication by the first MUE that initiates the service currently has more than two connections.
  • the service decomposition request message of the request is allocated, and the identifier information of the MUE that needs to perform traffic allocation is included.
  • the MASF entity includes a traffic allocation decision unit and a policy rule installation trigger unit, where:
  • the traffic distribution decision unit is configured to perform traffic allocation decision according to the received traffic allocation request and available connection information of the MUE that needs to be configured for traffic distribution from the MUP-FE;
  • the policy rule installation triggering unit is configured to: when the traffic assignment decision unit determines that the MUE that needs to perform traffic allocation allocates traffic to the new connection, initiates a request to the MPC-FE by using the MSCF entity, requesting the MPC-FE to be
  • the new connection corresponds to the TF and the TF corresponding to the old connection, and the policy rules are set and installed.
  • the policy rule installation triggering unit sends a request to the MPC-FE through the MSCF entity in the following manner, and requests the MPC-FE to formulate a policy rule for the TF corresponding to the new connection and the TF corresponding to the old connection, and install:
  • the policy rule installation triggering unit sends a first request to the MPC-FE through the MSCF entity, requesting the MPC-FE to formulate a new policy rule for the first TF corresponding to the new connection, and installing the new policy rule to the first TF.
  • the first request includes the service quality resource requirement information of the new connection;
  • the policy rule installation triggering unit sends a second request to the MPC-FE through the MSCF entity, requesting the MPC-FE to re-define the policy rule for the second TF corresponding to the old connection, and
  • the re-established policy rule is installed to the second TF, and the second request includes new quality of service resource requirement information of the old connection.
  • the multi-connection service traffic distribution process described in this embodiment is triggered by a user, and thus may also be referred to as a service migration process, including: a user equipment (MUE) supporting a multi-connection function initiates traffic distribution, Transmitting a traffic allocation request to a Multi-Connection Application Support Function (MASF) entity through a Multi-Connection Service Control Function (MSCF) entity, the MASF entity queries the MUE-enabled connection information from the Multi-Connection User List Function Entity (MUP-FE), according to available connections Information for traffic distribution decisions.
  • MUE user equipment
  • MMF Multi-Connection Application Support Function
  • MSCF Multi-Connection Service Control Function
  • the MUE uses the IPTV service and the VoIP service under the 3GPP connection, and the UE generates a mobile, detects a new connected WLAN, and successfully accesses. At this time, the UE actively initiates a traffic allocation request (for example, a media offload request), and hopes to migrate part of the traffic to the WLAN to achieve the purpose of improving the service speed while saving network expenses.
  • a traffic allocation request for example, a media offload request
  • Step 211 The MUE initiates a media offloading request to the MSCF entity to request traffic migration of the service.
  • Step 212 The MSCF entity further sends the media offloading request to the MASF entity.
  • Step 214 The MASF entity performs a offloading decision according to the received media offloading request message and the obtained available connection information of the user, and determines whether the MUE is allowed to migrate part of the traffic to the new connection (WLAN in this embodiment). If yes, go to step 215. If not, go to step 225 to return a message indicating that the offload failed.
  • the MASF entity is based on the type of service (such as IPTV service or VoIP service), the nature of the connection (such as 3G network connection or WLAN network connection, where 3G coverage is wide and relatively stable), and the tariff (usually 3G is higher than WLAN tariff), due to the IPTV service pair. Real-time requirements are not as high as VoIP, but bandwidth requirements are higher than VoIP.
  • the MASF entity considers migrating IPTV to WLAN, and VoIP continues to run on the original connection.
  • the MASF entity may decide to migrate all the services of the MUE to the new connection, or migrate some services of the MUE to the new connection.
  • Step 215 The MASF entity sends a sub-service resource request message to the MSCF entity, where the message carries the Qos (Quality of Service) resource requirement information that needs to be offloaded to the new connection.
  • Qos Quality of Service
  • the Qos resource requirement information includes parameters related to QoS resources such as required bandwidth and priority.
  • the MASF entity intends to initiate a first request to the MPC-FE through the MSCF entity, requesting the MPC-FE A new policy rule is formulated for the TF2 corresponding to the new connection, and the new policy rule is installed to the TF2. Step 216, the MSCF entity sends the sub-service resource request message to the MPC-FE;
  • Step 217 The MPC-FE formulates a policy rule based on the QoS resource requirement information, and sends the policy to the TF2 corresponding to the new connection.
  • the MPC-FE formulates the policy rule based on the QoS resource requirement information, and the MPC-FE formulates the policy rule according to the QoS resource requirement information and the subscription information of the user maintained by the MPC-FE itself.
  • Step 218 The MPC-FE sends a sub-service resource response message to the MSCF entity.
  • the sub-service resource response message includes information indicating that the installation is successful; if the installation policy fails, the sub-service resource response message includes information indicating that the installation failed.
  • Step 219 The MSCF entity sends a sub-service resource response message to the MASF entity.
  • the MASF entity when the policy rule of the new TF is successfully installed, the MASF entity initiates a second request to the MPC-FE through the MSCF entity, requesting the MPC-FE to re-define the policy rule for the TF1 corresponding to the old connection, and re-establish the policy.
  • the rules are installed to TF1.
  • the MASF entity may send the first request and the second request to the MPC-FE at the same time, or may send the second request first, and then send the first request.
  • the MASF entity can obtain new QoS resource requirement information for the old connection by the prior art method.
  • step 225 is performed to return a message indicating that the split is failed.
  • Step 221 The MSCF entity sends a sub-service resource modification request message to the MPC-FE.
  • Step 222 The MPC-FE formulates a new policy rule according to the modified QoS resource requirement information of the old connection, and sends the transmission function TF1 corresponding to the current connection (that is, the old connection) of the MUE to be installed to modify the original policy rule. ; In this embodiment, only one of the current connections is used as an example. If there are two or more current connections, the new policy rules are respectively sent to the TFs corresponding to the current connections, and the installation is performed separately.
  • Step 223 The MPC-FE sends a sub-service resource modification response message to the MSCF.
  • Step 224 The MSCF entity sends a sub-service resource modification response message to the MASF.
  • Step 225 The MASF entity sends a media offload response message to the MSCF entity.
  • the media offload response message includes information indicating that the offloading is successful; if the offloading fails, the media offloading response message includes information on the offloading failure.
  • Step 226 The MSCF entity replies to the MUE with a media offload response message.
  • the multi-connection service traffic distribution process described in this embodiment is triggered by the network side, and thus may also be referred to as a service decomposition process, including: a multi-connection service control function (MSCF) entity initiates traffic distribution, and a multi-connection application support function (MASF)
  • MSCF multi-connection service control function
  • MASF multi-connection application support function
  • the entity sends a traffic allocation request, which includes the identifier information of the MUE that needs to perform traffic allocation, and the MASF queries the multi-connection user list function entity (MUP-FE) for the available connection information of the MUE that needs to perform traffic distribution, and performs traffic according to the available connection information. Assign decisions.
  • MUP-FE multi-connection user list function entity
  • the remote MUE initiates a multi-connection service request, and the MSCF entity determines whether the local MUE is in a multi-connection state according to the characteristics of the local MUE, and requests the MASF entity to further perform multi-connection service decomposition decision. If two connections are selected for traffic sharing, QoS resource control on both connections is involved.
  • Step 311 The MSCF entity receives the service request from the remote MUE, and triggers the MSCF entity to generate a service request message.
  • Step 312 If the MSCF entity determines that the local UE that the remote UE requests to establish communication currently has more than two connections, the MSCF entity sends a service decomposition request message to the MASF entity, requesting whether the decision is made when the local MUE is in the multi-connection state. Business decomposition and how to break down, in order to achieve traffic balance and cost savings;
  • Step 313 The MASF entity sends an available connection query message to the MUP-FE to obtain the current available connection information of the local MUE.
  • Step 314 The MASF entity performs a decomposition decision according to the received service decomposition request message and the current available connection information of the obtained local MUE.
  • the decomposition decision made by the MASF entity is the same as that of the previous embodiment, and details are not described herein again.
  • Step 315 The MASF entity sends a sub-service resource request message to the MSCF entity, where the message carries the Qos resource requirement information that needs to be offloaded to the new connection.
  • Step 316 the MSCF entity sends the sub-service resource request message to the MPC-FE;
  • Step 317 The MPC-FE formulates a policy rule based on the QoS resource requirement information, and sends the policy to the TF1 corresponding to the new connection.
  • Step 318 The MPC-FE sends a sub-service resource response message to the MSCF entity.
  • Step 319 The MSCF entity sends a sub-service resource response message to the MASF entity.
  • Step 321 The MSCF entity sends a sub-service resource request message to the MPC-FE.
  • Step 322 The MPC-FE formulates a policy rule according to the QoS resource requirement and the like, and sends the policy to the transmission function TF2 corresponding to the connection 2;
  • Step 323 The MPC-FE sends a sub-service resource response message to the MSCF entity.
  • Step 324 The MSCF entity sends a sub-service resource response message to the MASF entity.
  • Step 325 The MASF entity sends a service decomposition response message to the MSCF entity.
  • the remote originating service is used as an example.
  • the local MUE initiates a service, and the MSCF entity is triggered to generate a service request message.
  • the subsequent processes are the same, and details are not described herein again.
  • the MUP-FE can be used by the MASF entity to perform the multi-connection service traffic allocation, which provides a possibility for multi-connection service traffic distribution.
  • the user can independently select different connection bearer services according to current network status, tariff, service type and other factors, so as to maximize the user service experience and minimize the service charge.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Système de commande de services multi-connexions et procédé de répartition du trafic de services multi-connexions. Le procédé comprend les étapes suivantes : un équipement d'utilisateur (MUE) prenant en charge une entité de fonction multi-connexions ou de fonction de commande de service multi-connexions (MSCF) envoie une demande de répartition de trafic ; et une entité de fonction de soutien d'applications multi-connexions (MASF) recevant la demande de répartition de trafic extrait les informations de connexions utilisables relatives au MUE qui doit répartir le trafic à partir des informations de connexions utilisables relatives au MUE conservées dans une entité de fonction de liste d'utilisateurs multi-connexions (MUP-FE), et l'entité de MASF prend une décision de répartition du trafic sur la base des informations de connexions utilisables. Le système comprend une MUP-FE et une entité de fonction d'enregistrement multi-connexions (MR-FE), une interface d'interaction existant entre la MUP-FE et la MR-FE. Au moyen du procédé de la présente invention, l'utilisateur peut sélectionner de manière autonome différentes connexions pour véhiculer des services en fonction de facteurs comme l'état actuel du réseau, les frais, les types de service etc., maximisant l'agrément du service pour les utilisateurs et minimisant les frais de service.
PCT/CN2012/070229 2011-01-19 2012-01-11 Système de commande de services multi-connexions et procédé de répartition du trafic de services multi-connexions WO2012097698A1 (fr)

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CN103826263B (zh) * 2012-11-16 2017-11-03 中国移动通信集团公司 一种网络分流方法和设备
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