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Multicast communication method, system and multicast communication equipment

A communication equipment and communication system technology, applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., to improve reliability and service quality, and solve communication congestion and crashes.

Active Publication Date: 2009-01-14
靖江市城中村投资建设有限公司
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Problems solved by technology

[0006] The embodiment of the present invention proposes a multicast communication method, system and multicast communication equipment, which solves the problem of receiving repeated multicast data when users are in a dual-homing or multi-homing network, and improves the reliability of communication

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  • Multicast communication method, system and multicast communication equipment
  • Multicast communication method, system and multicast communication equipment

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Embodiment Construction

[0024] A multicast communication method, system, and multicast communication device according to the embodiments of the present invention solve the problem of existing In the dual-homing network of users, users receive data repeatedly, which leads to the technical problem of service unavailability.

[0025] The technical solutions of the multicast communication method, system and multicast communication device according to the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] refer to figure 2 , is a flowchart of a multicast communication method provided by an embodiment of the present invention. In the embodiment of the present invention, the user belongs to at least two multicast communication devices in the same user VLAN, and the method includes:

[0027] 100. Election is performed among various multicast communication devices to which the user belongs in the user VLAN, and a multicast communication ...

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Abstract

An embodiment of the invention discloses a multicast communication method, wherein a user belongs to at least two multicast communication devices in a user virtual local area network VLAN, comprising: voting in the multicast communication devices belonging to the user, and selecting one multicast communication device; transmitting message transmitted by VLAN through the selected multicast communication devices. Accordingly, the embodiment of the invention discloses a multicast communication system and a multicast communication device, through the multicast communication method, the system and the multicast communication devices, the problem of receiving repeated multicast data when the user is in double adscription or multi-adscription is solved, thereby increasing reliability of communication.

Description

technical field [0001] The present invention relates to a multicast communication technology, in particular to a multicast communication method, a system and a multicast communication device. Background technique [0002] With the development of communication technology, there are three communication modes in the current network: unicast, broadcast, and multicast. Among them, multicast appears the latest, but has the advantages of unicast and broadcast at the same time, and has the most development prospects. [0003] In the current multicast communication, the network layer adopts the Internet Group Management Protocol (IGMP). The IGMP protocol is a host-to-router signaling mechanism used by IP multicast on the end network. It is divided into two functional parts. : Host side and router side. The link layer adopts the IGMP Snooping protocol, and maintains the outgoing port information of the multicast packets by listening to the multicast protocol packets sent between the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/18H04L12/56H04L45/16H04L45/60
Inventor 吴迪凌义赵诤任翔段学罡赵凤华
Owner 靖江市城中村投资建设有限公司
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