WO2009082905A1 - Procédé système et dispositif commutateur permettant l'établissement dynamique de réseau local virtuel de multidiffusion - Google Patents

Procédé système et dispositif commutateur permettant l'établissement dynamique de réseau local virtuel de multidiffusion Download PDF

Info

Publication number
WO2009082905A1
WO2009082905A1 PCT/CN2008/073138 CN2008073138W WO2009082905A1 WO 2009082905 A1 WO2009082905 A1 WO 2009082905A1 CN 2008073138 W CN2008073138 W CN 2008073138W WO 2009082905 A1 WO2009082905 A1 WO 2009082905A1
Authority
WO
WIPO (PCT)
Prior art keywords
multicast
user
vlan
mprv
multicast group
Prior art date
Application number
PCT/CN2008/073138
Other languages
English (en)
Chinese (zh)
Inventor
Libo Geng
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 WO2009082905A1 publication Critical patent/WO2009082905A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership

Definitions

  • the present invention relates to virtual local area network technology, and in particular, to a method, system and switching device for dynamically establishing a multicast virtual local area network (VLAN domain).
  • VLAN domain virtual local area network
  • IP of the network is the development trend of modern communication networks. With the continuous construction of broadband networks, more and more new types of services such as distance learning, news release, and IP TV (IPTV) will be used. With the IP network as the bearer network, as the IPTV standard matures, the Virtual Local Area Network (VLAN) technology applied to IPTV is also rapidly developing.
  • VLAN Virtual Local Area Network
  • the networking structure where the multicast VLAN technology is applied to the IPTV network it usually includes: a user host, a switching device, a routing device, and a server.
  • the user host is configured to send, according to the user's demand for the channel program, the joining message of the application to join the multicast group or the leaving message of the application to leave the multicast group in the VLAN domain; It is used to send the join message or the leave message from the user host to the routing device through the corresponding routing device port, and to multicast the channel program stream from the routing device according to the joining message or the leaving message.
  • the multicast data packet is copied or deleted on the port corresponding to the user host.
  • the routing device is configured to request the corresponding multicast stream from the server according to the received join message, and send the requested multicast stream to the switch.
  • the device stops sending the multicast stream according to the leaving message of the last member in the multicast group corresponding to the multicast stream.
  • the routing device also sends a query message for querying which multicast groups have members, so as to control the sending or stopping of the multicast stream according to the query result.
  • FIG. 1 is a schematic diagram of a networking structure and multicast traffic of a multicast VLAN technology in an IPTV application in the prior art.
  • the networking structure includes: User host (in order to make the mark in the figure clear, the user host in Figure 1 is abbreviated as the host, which is also used in other figures in this figure), switching device, routing device and server.
  • the multicast VLAN domain is composed of a multicast VLAN and a user VLAN.
  • the multicast VLAN is used as the uplink link of the multicast link and the user VLAN is the downlink link of the multicast link.
  • the multicast VLAN 1 domain is configured with multicast VLAN 1 and user V LAN1 ls user VLAN 12.
  • the multicast VLAN 2 domain consists of multicast VLAN 2, user VLAN 21, and user VLAN 22.
  • Each user VLAN includes at least one user host, and each user host corresponds to one port of the user VLAN.
  • the switching device of the protocol is responsible for eavesdropping and transparently transmitting multicast protocol packets, that is, querying packets, joining messages, and leaving messages, etc., to establish a transmission link of the multicast stream.
  • multicast protocol packets that is, querying packets, joining messages, and leaving messages, etc.
  • the ping message received from the multicast VLAN is transparently transmitted to the multicast VLAN of the domain
  • the Query message received by the multicast VLAN is transparently transmitted to the user VLAN.
  • the multicast stream is restricted to be transmitted within the specified multicast VLAN domain.
  • the multicast VLAN domain needs to be reconfigured, that is, the new user VLA N is manually added to the multicast VLAN domain, and the networking is flexible. Poor sex.
  • the embodiments of the present invention provide a method, a system, and a switching device for dynamically establishing a multicast virtual local area network, so as to dynamically manage a multicast VLAN domain, thereby improving networking flexibility and reducing network maintenance costs.
  • the embodiment of the present invention provides a method for dynamically establishing a multicast VLAN domain, and pre-configuring at least one multicast packet aggregation virtual local area network (MPRV), the MPRV being a multicast VLA N capable of processing multicast protocol packets;
  • the method includes:
  • the MPRV is associated with the multicast group by using the multicast group information as an index, and obtains an MPRV corresponding to the multicast group.
  • the embodiment of the present invention further provides a system for dynamically establishing a multicast VLAN domain, where the system includes: a user host, a switching device, a routing device, and a server, where:
  • the switching device is configured with at least one multicast packet aggregation virtual local area network MPRV, where the MPRV is a multicast VLAN capable of processing multicast protocol packets;
  • the switching device is configured to establish a binding relationship between the MPRV and the multicast group, and receive a join message from the user host in the user VLAN, where the user host joins the multicast group, and record the The information about the user VLAN corresponding to the packet is added, and the binding relationship between the MPRV and the multicast group is found by using the multicast group information, and the MPRV corresponding to the multicast group is obtained, and the MPRV and the MPRV are established.
  • the embodiment of the present invention further provides a switching device, including:
  • At least one multicast packet is aggregated into a virtual local area network MPRV, where the MPRV is a multicast VLAN capable of processing multicast protocol messages;
  • a binding relationship establishing module configured to establish a binding relationship between the MPRV and the multicast group
  • the multicast domain establishing module is configured to obtain, according to the joining message from the user host in the user VLAN, the information about the user VLAN and the multicast group information that the user host applies to join, to the multicast group.
  • the information is an index to find a binding relationship between the MPRV and the multicast group, obtain an MPRV corresponding to the multicast group, and establish a multicast VLAN domain corresponding to the multicast group that is composed of the MPRV and the user VLAN.
  • At least one MPRV is configured, and a binding relationship between the MPRV and the multicast group corresponding to the received multicast data packet is established; Obtain the port information corresponding to the multicast group and the user host that the user host is to join, and then dynamically establish the mapping relationship between the MPRV and the user VLAN according to the binding relationship between the multicast group and the multicast group and the MPRV, and establish the mapping relationship between the MPRV and the user VLAN.
  • a multicast VLAN domain composed of user VLANs. In this way, the multicast VLAN domain can be dynamically managed, which improves the flexibility of networking and reduces the cost of network maintenance.
  • FIG. 1 is a schematic diagram of a networking structure and multicast traffic of a multicast VLAN technology in an IPTV application in the prior art.
  • FIG. 2 is a networking structure of a multicast VLAN technology in an IPTV application according to an embodiment of the present invention. And multicast traffic Intention
  • FIG. 3 is a schematic flowchart of a method for dynamically establishing a multicast VLAN domain according to an embodiment of the present invention
  • FIG. 4 is an exemplary structural diagram of a switching device according to an embodiment of the present invention.
  • FIG. 5 is an exemplary structural diagram of a binding relationship establishing module in the switching device shown in FIG.
  • FIG. 6 is an exemplary structural diagram of a mapping relationship and a multicast domain establishing module in the switching device shown in FIG.
  • FIG. 2 is a schematic diagram showing a networking structure and multicast traffic of a multicast VLAN technology in an IPTV application according to an embodiment of the present invention.
  • the network structure includes: a user host, a switching device, a routing device, and a server, and a system configuration for dynamically establishing a multicast VLAN domain in the embodiment of the present invention.
  • the switching device is implemented based on the IGMP proxy (Proxy) protocol, and the multicast protocol packet is not simply transparently transmitted, but the corresponding protocol is calculated and the corresponding packet response is retrieved.
  • a multicast VLAN is configured on the switching device, and at least one multicast VLAN can process the query message received from the routing device and the join message and the outgoing message reported to the routing device based on the IG MP proxy protocol.
  • the multicast protocol packet rather than a simple transparent multicast protocol packet, can be processed in the embodiment of the present invention in order to distinguish it from the multicast VLAN in the prior art that cannot process the multicast protocol packet.
  • the multicast VLAN of the protocol packet is called the multicast packet aggregation VLAN (MPRV, Multicast Packet Rendezvous).
  • the MPRV is also used as the uplink link of the multicast link, and the downlink VLAN of the multicast link is still the user VLAN.
  • the number of MPRVs can be determined according to the load capacity of the switching device. In the embodiment shown in FIG. 2, the case where two MPRVs are configured is taken as an example, that is, MPRV1 and MPRV2 are configured.
  • the user VLAN can be in the same VLAN as the MPRV or in different VLANs. Each user VLAN is usually in a different VLAN.
  • the multicast VLAN domain formed between each user VLAN and the set MPRV is not a fixed configuration, but is dynamically configured according to the specific conditions in the multicast on-demand process.
  • the switching device can first establish a pair of MPRVs and received multicast streams according to a preset principle.
  • the binding relationship of the multicast group after receiving the join message from the user host in the user VLAN, according to the source of the join message, which user VLAN and which user host under the user VLAN, The user VLAN of the join message and the port information of the user host and the user VLAN are connected.
  • the switch device can record the information of the user VLAN corresponding to the received join message and the port information of the user VLAN corresponding to the user host.
  • the information about the multicast group to be joined by the user host is included, and the user VLAN corresponding to the join message is mapped to the MPRV having the binding relationship with the multicast group according to the multicast group information in the join message.
  • the multicast group information is used as a link to find the binding relationship between the MPR V and the multicast group, obtain the MPRV corresponding to the multicast group, and then establish a multicast composed of the MPR V and the user VLAN.
  • a VLAN domain, where the multicast VLAN domain corresponds to the multicast group.
  • FIG. 3 is a schematic flowchart of a method for dynamically establishing a multicast VLAN domain in the embodiment of the present invention, where the process includes the following steps.
  • Step 301 Establish a binding relationship between the MPRV and the multicast group corresponding to the received multicast stream.
  • Scenario 1 If only one MPRV is configured, all multicast groups that the user VLAN is added to join with the MPRV are bound.
  • Case 2 If two or more MPRVs are configured, the binding relationship between each multicast group and each MPRV can be set in advance according to the principle of load balancing; or in the multicast on-demand process, according to load sharing The principle dynamically establishes the binding relationship between the multicast group to which the user VLAN is applied and the MPRV.
  • the binding relationship between G1, G2, and G3 and MPRV1, and the binding relationship between G4, G5, and G6 and MPRV1 may be preset.
  • the switching device can send the join message to the routing device through MPRV1 after receiving the join message of the corresponding user VLAN.
  • the routing device receives the join sent by the switching device.
  • the multicast stream transmission link is established.
  • the multicast stream is imported from the routing device port of the MPRV1 of the switching device to the switching device.
  • the multicast stream is sent to the switching device through the multicast data packet. analogy.
  • the switching device can pass the received join message through the configured Two MPRVs are sent to the routing device. After receiving the join message sent by the switching device, the routing device establishes a multicast streaming link. The multicast stream is switched from the two MPRV routing device ports of the switching device to the switching device.
  • the multicast stream is sent to the switching device by using the multicast data packet; the switching device receives the multicast data packet of the multicast stream that is added to the packet from the routing device through the two M PRVs, if the multicast data packet is not established. If the multicast group entry of the corresponding port is added, the multicast data packet is sent to the central processing unit (CPU) of the switching device. The CPU obtains the multicast group corresponding to the multicast stream from the multicast data packet.
  • the MPRV of the multicast stream corresponding to the multicast group is determined from the two MPRVs, thereby establishing a binding relationship between the determined MPRV and the multicast group, and maintaining the determined MPR.
  • the V receives the multicast stream from the routing device.
  • Gl, G2, and G3 establish a binding relationship with MPRV1
  • G4, G5, and G6 establish a binding relationship with MPRV1.
  • the switching device sends the join message to the routing device through the MPRV, and if the information about the routing device port is known, the sending packet is sent to the routing device through the routing device port of the MPRV; After the information about the routing device port is obtained, the joining message is broadcasted in the MPRV and sent to the routing device in a broadcast manner.
  • the routing device can periodically send the query message to the switching device, and the switching device updates the routing device port information of the MPRV according to the query message. If there is at least one user VLAN in the multicast VLAN domain, the switching device sends the The routing device responds to the join message, otherwise it does not respond to the join message. In the embodiment of the present invention, any query message received by a VLAN that is not set to MPRV will be discarded. In addition, the switching device can also send the query message periodically, and send the sent query message to the host in the established multicast VLAN domain.
  • the process of obtaining the information of the routing device port may be: According to the situation that the MPRV receives the query message or the multicast data packet, the port that the MPRV receives the query message or the multicast data packet is the routing device. port.
  • Case 3 If two or more MPRVs are configured, the binding relationship between each multicast group and each MPRV may be preset according to the link redundancy protection principle; or in the multicast on-demand process, according to The link redundancy protection principle dynamically establishes the binding relationship between the multicast group to which the user VLAN is applied and the MPRV.
  • the link redundancy protection principle For example, in the embodiment shown in FIG. 2, if the link redundancy protection principle is adopted, the primary MP RV and the secondary MPRV may be preset, and both MPRVs may be previously combined with G1, G2, ..
  • the G6 sets the binding relationship, or the multicast group that the user host applies to join dynamically establishes a binding relationship with the two MPRVs during the multicast on-demand process, so that when the main MPRV fails during the multicast on-demand process, Switch multicast on-demand to secondary MPRV.
  • Step 302 Receive a join message from the user VLAN, obtain the multicast group information that the user host applies to join according to the received join message, and map the user VLAN to the same according to the multicast group information.
  • the multicast group has a binding relationship of the MPRV, and the multicast VLAN domain corresponding to the multicast group consisting of the MPRV and the user VLAN is established.
  • the join message contains the information about the multicast group that the user host applies to join. Therefore, the join message can be used to obtain the multicast group information that the user host applies for.
  • the user VLAN information corresponding to the join message can be recorded according to the path of the join message, so that the user VLAN to which the user host that sends the join message belongs is obtained, and then the join message is added according to the join message.
  • the multicast group information and the binding relationship between the multicast group and the MPRV, mapping the user VLAN to an MPRV having a binding relationship with the multicast group, thereby establishing the group consisting of the MPRV and the user VLAN The multicast VL AN field corresponding to the broadcast group.
  • the multicast group, the user VLA N, and the a multicast group entry of the information about the port of the multicast member are recorded according to the path of receiving the join message, the multicast group, the user VLA N, and the a multicast group entry of the information about the port of the multicast member, and then the multicast data packet corresponding to the multicast group received from the corresponding MPRV is provided by a port corresponding to the user host in the user VLAN.
  • one MPRV in the multicast VLAN domain can correspond to multiple user VLANs.
  • a user host (which can be recorded as host 1 and is not marked in the figure) in the user VLAN 1 applies to join G1
  • the user VLAN 1 is mapped to M PRV1
  • the user VLAN 1 is added to the multicast VLAN domain of the MPRV 1
  • the multicast group entry including the information of the multicast group, the user VLAN1, and the corresponding port of the host 1 is established.
  • another user in the VLAN 1 is located.
  • User host can be recorded as host 2, this flag is not marked in the figure).
  • the user VLA N1 is mapped to MPRV2, and user VLAN 1 is also added to the multicast VLAN domain of the MPRV2.
  • the multicast group entries of the multicast group, the user VLAN 1, and the corresponding port of the host 2 are similar to the other scenarios in FIG. 2, and are not mentioned here.
  • a multicast group in a multicast group entry, can be represented by a multicast address, a user VLAN can be represented by a user VLAN ID, and a port can be represented by a port ID.
  • the user when receiving the leaving message from the user VLAN, the user obtains the port information corresponding to the multicast group and the user host that the user host requests to leave according to the leaving message (that is, the user host is removed from the leaving message to leave the application)
  • the multicast group information is determined according to the situation of receiving the leaving message, and the port information of the user VLAN corresponding to the user host that sends the leaving packet is deleted, and the port information in the multicast group entry corresponding to the multicast group is deleted.
  • the port is the last port in the user VLAN that is the multicast member of the multicast group, and the user VLAN is deleted from the multicast VLAN domain corresponding to the multicast group.
  • the multicast entry if the port information in the multicast group entry corresponding to the multicast group is deleted, the ports that are added as multicast members in all user VLANs of the multicast group are zero. That is, if the port to be deleted is the last multicast member port of the multicast group, the multicast entry is deleted.
  • the binding relationship between the multicast group and the MPRV may be further removed, and the routing device port of the MPRV is The routing device sends a Leave message.
  • the switching device in the embodiment of the present invention is configured with at least one MPRV, where the MPRV is a multicast VLAN capable of processing multicast protocol packets, and the switching device is used to establish the MPRV and the received multicast data.
  • the binding relationship of the multicast group corresponding to the packet is obtained according to the join message from the user host in the user VLAN, and the information about the user VLAN corresponding to the join message is recorded, according to the information of the user VLAN corresponding to the join message.
  • the switching device provides the multicast data packet corresponding to the multicast group received from the corresponding MPRV to the user host through the port corresponding to the user host in the user VLAN.
  • the internal implementation manner of the switching device in the embodiment of the present invention may be multiple.
  • FIG. 4 an exemplary structural diagram is shown.
  • the switching device in FIG. 4 includes: An MPRV, and a binding relationship establishing module, a multicast domain establishing module, and a multicast stream forwarding module.
  • the switching device can also include non-MPRV VLANs.
  • the binding relationship establishing module is configured to establish, according to various preset principles, a binding relationship between the MPRV and the multicast group corresponding to the received multicast data packet.
  • the specific operation process can be consistent with the operation process described in step 301 shown in FIG.
  • the multicast domain establishing module is configured to obtain, according to the joining message from the user host in the user VLAN, the information of the user VLAN and the multicast group information that the user host applies for joining, according to the multicast group information. And mapping the user VLAN to an MPRV that has a binding relationship with the multicast group, that is, using the multicast group information as an index to search for a binding relationship between the MPRV and the multicast group, and obtaining a correspondence with the multicast group.
  • the MPRV establishes a multicast VLAN domain corresponding to the multicast group consisting of the MPRV and the user VLAN.
  • the multicast domain establishing module further establishes a multicast group entry that includes information about the multicast group, the user VLAN, and the port that is a multicast member.
  • the multicast stream forwarding module is configured to provide the multicast data packet corresponding to the multicast group received from the corresponding MPRV to the user host by using the port in the user VLAN.
  • the specific operation process of the mapping relationship and the multicast domain establishing module and the multicast stream forwarding module may be consistent with the operation process described in step 302 shown in FIG. 3.
  • the switching device may further include: a user VLAN deletion module, configured to be based on the user A packet of the user host in the VLAN that contains the information of the multicast group that the user host requests to leave, records the information about the port of the user VLAN corresponding to the user host, and the multicast group and user host that the user host requests to leave. Corresponding port information, wherein the port is the last port of the multicast group in the user VLAN, and the user VLAN is deleted from the multicast VLAN domain corresponding to the multicast group.
  • a user VLAN deletion module configured to be based on the user A packet of the user host in the VLAN that contains the information of the multicast group that the user host requests to leave, records the information about the port of the user VLAN corresponding to the user host, and the multicast group and user host that the user host requests to leave. Corresponding port information, wherein the port is the last port of the multicast group in the user VLAN, and the user VLAN is deleted from the multicast VLAN domain corresponding to the multicast
  • the method further includes: a binding relationship release module, configured to: remove the user VLAN deleted by the user VLAN in the user VLAN as the last user VL AN ⁇ in the multicast VLAN domain corresponding to the multicast group, and release the multicast group and MPRV binding relationship.
  • a binding relationship release module configured to: remove the user VLAN deleted by the user VLAN in the user VLAN as the last user VL AN ⁇ in the multicast VLAN domain corresponding to the multicast group, and release the multicast group and MPRV binding relationship.
  • the internal structure of the binding relationship establishing module may have multiple implementation manners, corresponding to a situation of the second situation in the step 301 shown in FIG. 3, the internal structure of the binding relationship establishing module may be as shown in FIG.
  • FIG. 5 shows an exemplary structural diagram of a binding relationship establishing module.
  • the binding relationship establishing module includes: a packet forwarding submodule, a multicast data packet receiving submodule, an MPRV determining submodule, and a binding relationship establishing submodule.
  • the message forwarding sub-module is configured to send the join message from the user VLAN to the routing device through the MPRV.
  • the multicast data packet receiving sub-module is configured to receive, by the MPRV, the multicast data packet of the multicast group that is added to the packet from the routing device.
  • the MPRV determining sub-module is configured to obtain the multicast group information corresponding to the multicast data packet according to the multicast data packet, and determine, according to a preset principle, the multicast data packet corresponding to the multicast group from the MPRV. MPRV.
  • the preset principle may be the load sharing principle or the link redundancy protection principle.
  • the binding relationship establishing submodule is used to establish a binding relationship between the determined MPRV and the foregoing multicast group.
  • the binding relationship establishing module may further include: a routing device port obtaining sub-module, configured to determine, according to the MPRV receiving the query message or the multicast data packet, the MPRV to receive the query message or the multicast
  • the port of the data packet is a routing device port
  • the packet forwarding sub-module can determine the routing device port according to the routing device port sub-module, and perform the operation of sending the joining packet to the routing device through the MPRV.
  • the internal structure of the multicast domain establishment module may also have multiple implementation manners. As shown in FIG. 6, an exemplary structure diagram of the multicast domain establishment module is shown.
  • the multicast domain establishing module may include: an information acquiring submodule and a multicast domain establishing submodule.
  • the information acquisition sub-module is configured to receive the join message from the user host in the user VLAN, and record the information of the user VLAN corresponding to the join message, and obtain the user host to join the join message. Multicast group information.
  • a multicast domain establishment submodule configured to map the user VLAN to an MPRV that has a binding relationship with the multicast group according to the multicast group information acquired by the information acquisition submodule, that is, the group
  • the multicast group information is an index to find a binding relationship between the MPRV and the multicast group, obtain an MPRV corresponding to the multicast group, and establish a multicast VLAN domain corresponding to the multicast group that is composed of the MPRV and the user VLAN.
  • the modules in the switching device may be physical function modules or software function modules, and each module may be subdivided or merged, and the specific implementation may be performed by a person skilled in the art according to actual conditions. Processing, no longer listed here.
  • the switching device may be a switching device or a low-end routing device.
  • the routing device in the embodiment of the present invention may be a router or other routing device.
  • the embodiment of the present invention manages the multicast VLAN domain in a dynamic manner, reduces network maintenance costs, enhances flexibility, and facilitates operator multicast service expansion.
  • the switching device that runs the IGMP eavesdropping protocol cannot be used as a queryer, and does not have the autonomous management capability of the multicast source and the multicast member.
  • the exchange based on the IGMP proxy protocol is implemented. The device does not simply transparently transmit multicast protocol packets, and implements load balancing or link redundancy protection between the switching device and the routing device link, effectively protecting the link bandwidth and improving the system. Robustness.

Abstract

La présente invention concerne un procédé et un système permettant l'établissement dynamique de réseau local virtuel de multidiffusion (VLAN). Le procédé comprend la configuration préalable d'au moins un MPRV qui est un réseau local virtuel capable de traiter un paquet de protocole multidiffusion ; suivie de l'établissement d'une relation de liaison entre le MPRV et un groupe de multidiffusion ; la réception d'un paquet d'accompagnement provenant d'un utilisateur sous un réseau local virtuel, l'enregistrement de l'information du réseau local virtuel de l'utilisateur correspondant au paquet d'accompagnement qui comporte l'information de groupe de multidiffusion qui doit accompagner les requêtes de l'hôte ; la consultation de la relation de liaison entre le MPRV et le groupe de multidiffusion selon l'information de groupe de multidiffusion et l'acquisition du MPRV correspondant au groupe de multidiffusion ; et ensuite l'établissement d'un domaine de réseau local virtuel multidiffusion constitué du MPRV et du réseau local d'utilisateur qui correspond au groupe de multidiffusion.
PCT/CN2008/073138 2007-11-30 2008-11-21 Procédé système et dispositif commutateur permettant l'établissement dynamique de réseau local virtuel de multidiffusion WO2009082905A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710188276A CN100583801C (zh) 2007-11-30 2007-11-30 一种动态建立组播虚拟局域网域的方法、系统及交换设备
CN200710188276.7 2007-11-30

Publications (1)

Publication Number Publication Date
WO2009082905A1 true WO2009082905A1 (fr) 2009-07-09

Family

ID=39390956

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/073138 WO2009082905A1 (fr) 2007-11-30 2008-11-21 Procédé système et dispositif commutateur permettant l'établissement dynamique de réseau local virtuel de multidiffusion

Country Status (2)

Country Link
CN (1) CN100583801C (fr)
WO (1) WO2009082905A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957164A (zh) * 2014-04-29 2014-07-30 杭州华三通信技术有限公司 一种二层组播转发表项的维护方法和设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100583801C (zh) * 2007-11-30 2010-01-20 华为技术有限公司 一种动态建立组播虚拟局域网域的方法、系统及交换设备
CN101286890B (zh) * 2008-05-30 2012-10-17 北京东土科技股份有限公司 一种基于虚拟局域网的快速冗余的实现方法
CN101621467B (zh) * 2009-08-13 2012-05-30 华为技术有限公司 一种实现组播vsi的方法、装置及系统
CN101702689B (zh) * 2009-11-30 2012-07-04 迈普通信技术股份有限公司 组播业务数据负载均衡的传输控制方法及传输控制设备
CN102611606A (zh) * 2011-01-21 2012-07-25 中兴通讯股份有限公司 组播业务的隔离方法和装置
CN102223279B (zh) * 2011-06-14 2013-11-06 杭州华三通信技术有限公司 一种用于处理多vlan的方法和节点
CN104509042B (zh) * 2012-08-03 2017-11-17 华为技术有限公司 一种数据处理方法、基站和用户设备
CN104052671B (zh) * 2013-03-13 2018-01-12 新华三技术有限公司 Trill网络中的组播转发表项的处理方法及路由桥
CN103944892B (zh) * 2014-04-10 2017-10-27 新华三技术有限公司 一种动态虚拟局域网注册方法和设备
CN114143126A (zh) * 2021-11-26 2022-03-04 广州芯德通信科技股份有限公司 一种利用默认vlan的组播数据处理方法、系统及平台

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1700676A (zh) * 2005-06-03 2005-11-23 港湾网络有限公司 以太网交换机跨虚拟局域网的二层组播数据传输方法
CN1889448A (zh) * 2006-07-18 2007-01-03 杭州华为三康技术有限公司 指定源组播协议无关组播模式下跨虚拟局域网组播的方法和系统
CN101005434A (zh) * 2007-01-15 2007-07-25 杭州华为三康技术有限公司 二层组播虚拟局域网聚合方法及其汇聚交换机
CN101170481A (zh) * 2007-11-30 2008-04-30 华为技术有限公司 一种动态建立组播虚拟局域网域的方法、系统及交换设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1700676A (zh) * 2005-06-03 2005-11-23 港湾网络有限公司 以太网交换机跨虚拟局域网的二层组播数据传输方法
CN1889448A (zh) * 2006-07-18 2007-01-03 杭州华为三康技术有限公司 指定源组播协议无关组播模式下跨虚拟局域网组播的方法和系统
CN101005434A (zh) * 2007-01-15 2007-07-25 杭州华为三康技术有限公司 二层组播虚拟局域网聚合方法及其汇聚交换机
CN101170481A (zh) * 2007-11-30 2008-04-30 华为技术有限公司 一种动态建立组播虚拟局域网域的方法、系统及交换设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103957164A (zh) * 2014-04-29 2014-07-30 杭州华三通信技术有限公司 一种二层组播转发表项的维护方法和设备
CN103957164B (zh) * 2014-04-29 2018-08-28 新华三技术有限公司 一种二层组播转发表项的维护方法和设备

Also Published As

Publication number Publication date
CN101170481A (zh) 2008-04-30
CN100583801C (zh) 2010-01-20

Similar Documents

Publication Publication Date Title
WO2009082905A1 (fr) Procédé système et dispositif commutateur permettant l'établissement dynamique de réseau local virtuel de multidiffusion
US10887119B2 (en) Multicasting within distributed control plane of a switch
EP0861544B1 (fr) Procede de mise en place de groupes restreints de diffusion dans un reseau commute
US7751394B2 (en) Multicast packet relay device adapted for virtual router
US8121126B1 (en) Layer two (L2) network access node having data plane MPLS
US8539088B2 (en) Session monitoring method, apparatus, and system based on multicast technologies
EP1816796B1 (fr) Transfert bidirectionnel dans des domaines de service basés sur Ethernet à travers des réseaux
WO2021031648A1 (fr) Procédé, appareil et système de coexistence d'evpn et de vpls
WO2009033428A1 (fr) Procédé, système et dispositif pour retirer une adresse de commande d'accès au support
CN101258414A (zh) 增强型多播vlan注册
CA2289070A1 (fr) Commutateur multidiffusion
WO2010075771A1 (fr) Procédé de mise en réseau par extranet, système et procédé pour réseau privé virtuel en multidiffusion
WO2007059679A1 (fr) Procede pour le traitement de service multidiffusion anormal et equipement de reseau associe
WO2013139159A1 (fr) Procédé de transmission de paquet dans un réseau et dispositif côté fournisseur
US11546267B2 (en) Method for determining designated forwarder (DF) of multicast flow, device, and system
WO2018171396A1 (fr) Procédé, dispositif, et système de transmission de données
WO2009149646A1 (fr) Procédé de commutation de port, dispositif de réseau et système de réseau
WO2018014767A1 (fr) Procédé et dispositif de détermination d'informations, et support de stockage
US10225091B2 (en) Method for implementing point-to-multipoint multicast, network node, and system
TW201914265A (zh) 自動配置的交換機、自動配置交換機的方法、交換機自動部署的軟體定義網路系統及其方法
WO2007054006A1 (fr) Station de base de système d’accès sans fil large bande et système pour réaliser un service de diffusion de groupe
WO2011140921A1 (fr) Procédé, dispositif et système d'acheminement de trames de données de service de réseau local privé virtuel (vpls)
WO2010006524A1 (fr) Procédé de multidiffusion fiable, appareil et système fournisseur de couche supérieure
WO2007041942A1 (fr) Système pour ethernet de support de la transmission de la multidiffusion spécifique à une source et procédé idoine
WO2007104201A1 (fr) Procédé d'acheminement de messages dans un tunnel de services

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: 08868300

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08868300

Country of ref document: EP

Kind code of ref document: A1