WO2008017226A1 - Système et procédé de commande de multidiffusion - Google Patents

Système et procédé de commande de multidiffusion Download PDF

Info

Publication number
WO2008017226A1
WO2008017226A1 PCT/CN2007/001768 CN2007001768W WO2008017226A1 WO 2008017226 A1 WO2008017226 A1 WO 2008017226A1 CN 2007001768 W CN2007001768 W CN 2007001768W WO 2008017226 A1 WO2008017226 A1 WO 2008017226A1
Authority
WO
WIPO (PCT)
Prior art keywords
multicast
access
user
service
network
Prior art date
Application number
PCT/CN2007/001768
Other languages
English (en)
Chinese (zh)
Inventor
Weilong Ouyang
Xiaoyu Gong
Min Zha
Zhenting Yang
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008017226A1 publication Critical patent/WO2008017226A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks

Definitions

  • the present invention relates to the field of network technologies, and in particular, to a multicast control system and method.
  • the QoS control architecture of TISPAN (Telecom & Internet converged Services & Protocols for Advanced Network, Telecommunications and Internet Convergence Services and Advanced Network 10) is shown in Figure 1.
  • service layer the application function (AF, Application Function) entity
  • a transport control layer is added between the Transport Layers, namely RACS (Resource Admission Control Subsystem), SPDF (Service Policy Decision Function) 11 and A-RACF (Access-
  • RACS Resource Admission Control Subsystem
  • SPDF Service Policy Decision Function
  • A-RACF Access-
  • the resource admission control function is composed of 12, and the service layer requests the user to use the resource and control policy of the service through the Gq, and the RACS sends the resource request and control policy to the corresponding IP Edge (IP).
  • IP IP Edge 13 and Border Node 14 perform resource allocation and policy execution.
  • an AN (Access Node) 15 is an edge access node of the access network
  • IP Edgel3 is an edge node of the access network and is connected to the IP transport network
  • NASS (Network Attach Subsystem) System) 16 is the network connection management subsystem. It only has data and control interfaces with IP Edgel3. It is responsible for the authentication, authorization and address allocation of users on the access network, and notifies the attributes and IP addresses of RACS users through the e4 interface.
  • TISPAN's QoS control architecture has not yet controlled user multicast access. Summary of the invention
  • Embodiments of the present invention provide a multicast control system and method for implementing control of multicast access in TISPAN. ⁇
  • a multicast control system provided by an embodiment of the present invention includes: an access node and an access termination point, and further includes: a user management subsystem, a policy control subsystem, and a link management subsystem;
  • the user management subsystem is configured to manage user attributes, and push the user attributes to the policy control subsystem;
  • the policy control subsystem performs message interaction with the access node, the access termination point, and the link management subsystem, respectively, for performing resource admission control according to the user attribute;
  • the link management subsystem performs message exchange with the access node and the access terminal to manage links and resources between users in the access network.
  • the embodiment of the invention further provides a multicast control method, including:
  • the policy control subsystem assigns different multicast trees to different Internet service providers and notifies the link management subsystem to establish a multicast tree between the access nodes and the access endpoints;
  • the link management subsystem allocates resources for the multicast tree
  • the access node After receiving the multicast access message of the user, the access node forwards the multicast access request to the access termination point by using a multicast tree specified by the user in the multicast access message;
  • the access endpoint pushes multicast service data to the user through the multicast tree specified by the user.
  • the embodiment of the present invention can be established by introducing a control architecture consisting of a User Management Subsystem (UMS), a Policy Control Subsystem (PCS), and a Link Management System (LMS). And maintain a multicast tree assigned to different ISPs (Internet Service Providers) to achieve differential control of multicast.
  • UMS User Management Subsystem
  • PCS Policy Control Subsystem
  • LMS Link Management System
  • Figure 1 is a schematic diagram of an existing QoS control architecture.
  • FIG. 2 is a structural diagram of a multicast control system according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a multicast control method according to an embodiment of the present invention.
  • FIG. 4 is a flowchart of multicast service access in a method according to an embodiment of the present invention.
  • the embodiment of the present invention introduces a new management entity (i.e., LMS) and management architecture in the existing TISPA, and the architecture includes the following parts:
  • the PCS and the LMS respectively have an interface for communicating with an AN, an ANE (Access Node Edge), and the PCS also has an interface for communicating with the LMS and the UMS, respectively, and the UMS has an interface for communicating with the ANE.
  • ANE Access Node Edge
  • the system may further include: an ASP (Application Service Provider) or a CSP (Content Service Provider) that provides multicast services such as IPTV, and provides access.
  • ASP Application Service Provider
  • CSP Content Service Provider
  • NSP Network Service Provider
  • NAP Network Access Provider
  • ANE Network Access Provider
  • NAP is connected to ASP/CSP and NSP through A E.
  • FIG. 2 is a diagram showing the networking structure of a multicast control system according to an embodiment of the present invention:
  • CE (Customer Equipment, User Equipment) 21 accesses the network side edge node ANE23 of the NAP20 through the user side edge node AN22 of the NAP20.
  • the AN22 can access multiple different A Es, and the A E23 can also access multiple different ANs.
  • ANE23 is the end interface of ASP24 or CSP25 and access network, and is the last interface of NSP26 and access network.
  • NAP20 provides an access network for connecting users and NSP/ASP by AN and ANE, and manages connectivity and resources between AN and ANE.
  • ASP24 or CSP25 provides multicast services such as IPTV (interactive TV) and is responsible for authentication, authorization, etc. for access users;
  • the NSP26 provides services for accessing the IP network and is responsible for user authentication, address assignment, and authorization. In the case of such networking, in the multicast control system of the embodiment of the present invention
  • the UMS 201 is responsible for the authentication, authorization, accounting, and management of user attributes of the user access network, such as authentication information with the provider;
  • the PCS 202 performs resource admission control according to user attributes, executes policies, or deploys policies to access.
  • the node AN22 and the network device accessing the endpoint ANE23 may interact with the AF200 indirectly or directly; the LMS 203 manages the links and resources between the network elements of the user in the access network.
  • PCS202 and LMS203 have interfaces for communication with AN22 and A23, respectively.
  • PCS202 also has interfaces for communicating with LMS203 and UMS201 respectively.
  • UMS201 has an interface for communication with ANE23.
  • the user accesses the network such as the NSP or the ASP/CSP through the CE.
  • the network such as the NSP or the ASP/CSP authenticates the user
  • the UMS obtains the attribute of the user from the authentication server in the network, and Push the user attribute to the PCS, which includes the multicast service attributes (such as the ISP operator ID, the number of channels, the authorized multicast group address table, the charging method and the rate, and the bandwidth) that are contracted with the service provider such as the ISP. Its business level, etc.), user IP address, etc.;
  • the multicast service attributes such as the ISP operator ID, the number of channels, the authorized multicast group address table, the charging method and the rate, and the bandwidth
  • the PCS allocates different multicast trees for different ISPs, different billing and rates, different bandwidth requirements or different levels according to attributes such as the user's multicast service (for example, a multicast MAC and an exclusive VLAN structure may be used).
  • Multicast tree and construct a multicast tree identifier (MCT-ID, Multicast Tree Identify) according to the multicast service attribute, and notify the LMS to establish a multicast tree between the AN and the ANE and the root or source of the multicast tree;
  • the LMS negotiates or assigns link information (such as P-VLAN+P-MAC (provider VLAN+carrier MAC) or MPLS label) to access network devices such as AN and ANE, to AN, ANE, and both.
  • link information such as P-VLAN+P-MAC (provider VLAN+carrier MAC) or MPLS label
  • the inter-network device sends an instruction, and sets parameters required for the AN, ANE to establish a multicast tree, the root or source of the multicast tree, and the like;
  • the PCS sets a multicast service information table including the attribute of the user IP and the index of the multicast tree identifier to the AN and the ANE according to the attribute of the user's IP and the multicast tree identifier (for example, the service level, the authorized multicast group address table) And the associated table (ie, the multicast service information table corresponding to the access link); thereafter, the AN and the ANE can find the corresponding multicast tree identifier through information such as the user IP and the multicast group, and vice versa; As long as the user IP and the multicast group and the user access link and the multicast tree identifier establish a one-to-one relationship, a two-way lookup can be implemented;
  • the user logs in to a network such as ASP/CSP to obtain corresponding parameters of the multicast service, such as a program list and a multicast group address table thereof;
  • the network such as ASP/CSP notifies the AF of the multicast address table corresponding to the program list and the parameters such as ISP, charging parameters and bandwidth, and the AF notifies the PCS to apply for the network resource;
  • the PCS according to the multicast service attribute signed by the user (the UMS notifies the PCS of the user attribute including the multicast service attribute subscribed by the user after the user authentication is passed) to check whether the user can access, and if so, according to the ISP, charging
  • the parameters and bandwidths are obtained by the multicast tree identifier, and then the user's control policies in the AN and ANE are set according to the multicast tree identifier (eg, authorization information, charging, priority, bandwidth, etc.) (if the multicast tree has not been established in the above process) , then according to the network initialization steps (2) ⁇ (4) to set the multicast tree);
  • the PCS determines the resources of the multicast tree according to the attributes of the user (such as the user IP address, etc.) and the multicast service information table (such as the service level, the address table authorized by the multicast group, the bandwidth, and the rights) requested by the AF. Assign a policy, notify the LMS to allocate resources; for example, adopt the following resource allocation strategy:
  • each user is allocated the bandwidth of the number of user-signed channels and can be shared to all users under the same multicast tree;
  • each user is allocated a bandwidth of the number of channels subscribed to the service operator.
  • the LMS performs resource check, and when the network resource has available resources, allocates resources to the multicast tree according to the resource allocation policy, and notifies the PCS resource to reserve and accept;
  • PCS responds to AF network resource admission
  • AF response ASP/CSP and other network user services can be connected, after which the user login is successful;
  • the network parameters such as ASP/CSP need to adjust the service parameters of the users that have been accessed through AF.
  • the user initiates a multicast access message, such as an IGMP (Internet Group Message Protocol) message; the multicast group address to which the multicast access message packet is to be accessed, and may also include a multicast source.
  • IGMP Internet Group Message Protocol
  • Information such as the IP address;
  • (2) A performs the following processing according to the information such as the IP address of the user and the multicast address of the access message:
  • the control policy set on the AN it is checked whether it can access the multicast group that the user needs to access, if it can be allowed to connect If yes, the corresponding multicast tree identifier is obtained according to the multicast group that the user wants to join; according to the configured control policy, it is checked whether the required resource has been allocated for the multicast tree, and if so, the resource is accepted and the data is collected.
  • the broadcast tree identifier updates the multicast access message, adds the multicast layer Layer 2 information, and forwards the information to the ANE to apply for access to the multicast service;
  • the user multicast forwarding message is denied to be forwarded to the ANE;
  • the ANE After checking the access rights and resources of the user, the ANE applies for accessing the multicast service to the multicast source; if the user is not allowed to access, the ANE refuses to apply for the multicast service to the multicast source;
  • the ANE pushes the multicast service data to the user through the multicast tree specified by the user requesting the service, and the ANE and the AN can report the resource reservation status to the LMS, and the LMS checks according to the status of the report or Update the occupation of network resources;
  • the network device between the AN and the ANE and the AN extract the multicast group address from the multicast service data stream, perform the temple copy copy according to the multicast copy table, and forward it to the downstream device or user through the multicast tree;
  • the AN allows the message to be constructed or specified according to the error information to be added to the multicast stream it receives, and the multicast will be added.
  • the address of the stream is translated into the multicast group address that the user requests to join, and then the multicast stream is forwarded to the user, so that the user knows the specific reason for the failure.
  • the multicast group address that the user requests to join can be set to the AN by the PCS.
  • FIG. 3 shows a flow of a multicast control method according to an embodiment of the present invention, including the following steps: Step 301: The user accesses an ASP/CSP network.
  • Step 302 The UMS pushes the user attribute to the PCS, where the user attribute includes a multicast service attribute (such as an ISP carrier identifier, a channel number, an authorized multicast group address table, a charging method, and a fee) signed by a service carrier such as an ISP. Rate, bandwidth and its service level, etc.);
  • a multicast service attribute such as an ISP carrier identifier, a channel number, an authorized multicast group address table, a charging method, and a fee
  • Step 303 The PCS allocates different multicast trees to different ISPs (or different charging rates and rates, or different bandwidth requirements or different levels), and notifies the LMS to establish a multicast tree between AN and A E;
  • Step 304 The LMS accepts the PCS instruction, and establishes a multicast tree between AN and A E;
  • the LMS may send an instruction to the network device between the AN, the ANE, and the two in a negotiated manner or an allocation manner, and set parameters such as an AN, an ANE to establish a multicast tree, a root or a source of the multicast tree, and the like;
  • Step 305 PCS Setting a control policy of the user between the AN and the UI, and determining a resource allocation policy of the multicast tree;
  • Step 306 The LMS accepts a PCS instruction to allocate resources for the multicast tree.
  • Step 307 The user initiates a multicast access message.
  • Step 308 The ANE applies for accessing the multicast service to the multicast source.
  • Step 309 The ANE pushes the multicast service to the user.
  • FIG. 4 shows a flow of multicast service access in an embodiment of the present invention, including the following steps:
  • the user sends a multicast access request to the AN;
  • the AN checks the user's multicast rights according to the control policy of the PCS configuration; the result of the check is that access is allowed;
  • the AN forwards the user's multicast access request to the A E according to the corresponding multicast tree;
  • a E checks the user's multicast rights according to the control policy configured by the PCS; the result of the check is that access is allowed;
  • the ANE forwards the multicast access request to the multicast source
  • the multicast source After receiving the request, the multicast source sends a multicast message to the ANE;
  • a E copies the multicast message and forwards it to the AN;
  • the AN forwards the multicast message to the user.
  • an error message can be constructed and sent to the AN to let the AN know the cause of the error. For example, steps 9 to 10 in the figure: 9.
  • the ANE sends a multicast access failure message to the AN, and the message can be added to the multicast stream sent to the AN and sent to the AN;
  • the AN translates the destination address of the multicast stream into the multicast group address that the user requests to join, and sends it to the user, that is, sends the multicast stream containing the error code to the user.
  • the embodiment of the present invention can establish and maintain a multicast tree allocated for different ISPs by introducing a control structure composed of a user management subsystem, a policy control subsystem, and a link management subsystem, and implement multicast connection in TISPAN. Into the differential control.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Un système de commande de multidiffusion inclut : un nœud d'accès et une périphérie de réseau de nœud d'accès du réseau d'accès, il inclut également : un sous-système de gestion d'utilisateur, un sous-système de commande de politique et un sous-système de gestion de liaisons ; le sous-système de gestion d'utilisateur est utilisé pour gérer l'attribut de l'utilisateur et transmettre l'attribut de l'utilisateur au sous-système de commande de politique ; le sous-système de commande de politique échange respectivement des messages avec le nœud d'accès, la périphérie de réseau de nœud d'accès et le sous-système de gestion de liaisons, pour une commande d'admission de ressources en fonction de l'attribut de l'utilisateur ; le sous-système de gestion de liaisons échange respectivement des messages avec le nœud d'accès et la périphérie de réseau de nœud d'accès, pour gérer la liaison et les ressources de l'utilisateur parmi toute unité de réseau dans le réseau d'accès. Un procédé de commande de multidiffusion est également fourni. La commande de l'accès de multidiffusion peut être réalisée dans TISPAN.
PCT/CN2007/001768 2006-08-04 2007-06-04 Système et procédé de commande de multidiffusion WO2008017226A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610062020.7 2006-08-04
CN200610062020A CN101119578B (zh) 2006-08-04 2006-08-04 多播控制系统及方法

Publications (1)

Publication Number Publication Date
WO2008017226A1 true WO2008017226A1 (fr) 2008-02-14

Family

ID=39032618

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/001768 WO2008017226A1 (fr) 2006-08-04 2007-06-04 Système et procédé de commande de multidiffusion

Country Status (2)

Country Link
CN (1) CN101119578B (fr)
WO (1) WO2008017226A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9432204B2 (en) * 2013-08-24 2016-08-30 Nicira, Inc. Distributed multicast by endpoints
US9602392B2 (en) 2013-12-18 2017-03-21 Nicira, Inc. Connectivity segment coloring
US9794079B2 (en) 2014-03-31 2017-10-17 Nicira, Inc. Replicating broadcast, unknown-unicast, and multicast traffic in overlay logical networks bridged with physical networks
US10778457B1 (en) 2019-06-18 2020-09-15 Vmware, Inc. Traffic replication in overlay networks spanning multiple sites
US11784922B2 (en) 2021-07-03 2023-10-10 Vmware, Inc. Scalable overlay multicast routing in multi-tier edge gateways

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000076125A1 (fr) * 1999-06-02 2000-12-14 Nortel Networks Limited Procede de production de voies destinees au trafic a multidestination
US20020197996A1 (en) * 2001-06-26 2002-12-26 Motorola, Inc. Methods for managing bandwidth in a packet-based communication system incorporating a reservation proxy function
CN1531805A (zh) * 2001-05-04 2004-09-22 ���˹���Ѷ��� 在面向连接型网络中用于分布式多播路由的方法和应用该方法的网络
JP2005244630A (ja) * 2004-02-26 2005-09-08 Nomura Research Institute Ltd マルチキャストルーティング情報送信方法、マルチキャストメッセージ送信方法、マルチキャストルーティング情報送信プログラム、及びマルチキャストメッセージ送信プログラム
CN1741631A (zh) * 2004-08-24 2006-03-01 华为技术有限公司 一种实现多播业务的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1213554C (zh) * 2001-08-30 2005-08-03 华为技术有限公司 小区广播业务传送方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000076125A1 (fr) * 1999-06-02 2000-12-14 Nortel Networks Limited Procede de production de voies destinees au trafic a multidestination
CN1531805A (zh) * 2001-05-04 2004-09-22 ���˹���Ѷ��� 在面向连接型网络中用于分布式多播路由的方法和应用该方法的网络
US20020197996A1 (en) * 2001-06-26 2002-12-26 Motorola, Inc. Methods for managing bandwidth in a packet-based communication system incorporating a reservation proxy function
JP2005244630A (ja) * 2004-02-26 2005-09-08 Nomura Research Institute Ltd マルチキャストルーティング情報送信方法、マルチキャストメッセージ送信方法、マルチキャストルーティング情報送信プログラム、及びマルチキャストメッセージ送信プログラム
CN1741631A (zh) * 2004-08-24 2006-03-01 华为技术有限公司 一种实现多播业务的方法

Also Published As

Publication number Publication date
CN101119578A (zh) 2008-02-06
CN101119578B (zh) 2010-05-12

Similar Documents

Publication Publication Date Title
CA2604234C (fr) Procede de gestion de liaisons de service sur un domaine d'acces et des noeuds associes
US8077619B2 (en) Method for aggregating data traffic over an access domain and nodes therefor
EP2124385B1 (fr) Procédé, dispositif et système pour un contrôle d'autorisation d'un service de multidiffusion
WO2009132548A1 (fr) Entité à fonction de détermination de stratégie, passerelle domestique, procédé de contrôle de qualité de service et système correspondant
US20090274163A1 (en) Method, system, and apparatus for controlling multicast bearer resources
WO2006094448A1 (fr) Procede pour implementer la reservation des ressources en mode de requete utilisateur dans le reseau de prochaine generation
WO2009021464A1 (fr) Procédé, dispositif et système de réalisation d'un service de multidiffusion
WO2009114976A1 (fr) Procédé et système de contrôle de ressources et d'admission
WO2011022893A1 (fr) Procédé et appareil d'interaction entre des systèmes de commande de ressources et d'admission
WO2008138238A1 (fr) Procédé, dispositif et système servant à réaliser un contrôle d'admission d'une connexion de multidiffusion
US8526304B2 (en) Processing method for resource request in NGN
WO2011147074A1 (fr) Procédé, système et dispositif associé pour la mise en œuvre d'un contrôle de politique et de tarification
WO2004028082A1 (fr) Procede de gestion de reseau fonde sur la qualite de service
WO2011120257A1 (fr) Procédé et système pour un contrôle d'admission de ressources d'un réseau domestique
EP2214359B1 (fr) Procédé et système de commande de politique pour dispositif de couche deux
WO2007137512A1 (fr) Procédé et système de gestion d'un réseau d'accès multi-trafic
WO2008017226A1 (fr) Système et procédé de commande de multidiffusion
WO2007036150A1 (fr) Systeme et procede de controle d'un reseau d'acces
WO2008151528A1 (fr) Procédé, dispositif et système pour commander une ressource de multidiffusion
WO2010081314A1 (fr) Procédé et système de contrôle d'accès à des ressources de réseau domestique ngn
EP1933500B1 (fr) Systeme et procede de commande de ressource du reseau d'acces
WO2010091562A1 (fr) Procédé et appareil pour l'interaction entre un réseau fixe et un réseau tiers ou un serveur d'applications
WO2009132492A1 (fr) Système de prise en charge par un racs de l’ip mobile et procédé à cet effet
WO2008040212A1 (fr) Procédé, système et dispositif d'accès au réseau
WO2012149833A1 (fr) Procédé et système d'attribution de ressources et de contrôle d'admission

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07721341

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

NENP Non-entry into the national phase

Ref country code: RU

122 Ep: pct application non-entry in european phase

Ref document number: 07721341

Country of ref document: EP

Kind code of ref document: A1