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Multicast group member identification method and apparatus

An authentication method and authentication device technology, applied in the field of multicast group member authentication method and device, to achieve the effect of solving security problems, easy access, and realizing convenience

Active Publication Date: 2006-07-12
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0017] Specifically, if the operator requires that only users who dynamically obtain IP addresses through the DHCP server 500 can join the multicast group, obviously only the existing IGMP protocol can be used Technical solutions cannot meet this demand

Method used

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  • Multicast group member identification method and apparatus
  • Multicast group member identification method and apparatus
  • Multicast group member identification method and apparatus

Examples

Experimental program
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Embodiment Construction

[0057] see image 3 , is the flow of an embodiment of the multicast group member authentication method of the present invention picture .

[0058] The network application environment of this embodiment can refer to figure 1 . Wherein, the Layer 2 switch 300 supports both the IGMP-SNOOPING protocol and the DHCP-SNOOPING protocol.

[0059] Among them, the IGMP-SNOOPING protocol is a layer 2 multicast protocol applied on switches. The switch monitors the IGMP protocol message sent by the host and the IGMP, PIM and other multicast routing protocol messages sent by the multicast router to establish the multicast MAC entry of a specific group, thereby controlling the forwarding of the multicast service flow in the switch.

[0060] The DHCP SNOOPING protocol is a protocol used on Layer 2 switches to monitor the DHCP message function, and record relevant information by monitoring the DHCP exchange messages between the DHCP client and server.

[0061] The basic process of member ...

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PUM

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Abstract

The invention discloses an identification method for multicast member, which comprises: generating and maintaining host information to permit access and connection ports relation; receiving and analyzing the join request from host; according to the opposite port, determining the contained information whether in said relation; if yes, adding the host; or else, failure. It also discloses opposite device. This invention solves the security control problem for multicast access.

Description

technical field [0001] The invention relates to member management technology of multicast service, in particular to a multicast group member authentication method and device. Background technique [0002] With the development of information technology, more and more information is transmitted through the network, which brings great convenience to people's life, work and study. [0003] The way of network transmission data can be divided into IP (Internet Protocol) unicast, IP broadcast and IP multicast and other types. Among them, in the IP unicast mode, the source IP host sends a unicast IP message, and the destination IP address of this message is the only host address in the IP network, that is to say, only the destination IP host whose address is the destination IP address to receive the message. In IP broadcast mode, the source IP host sends a broadcast IP message, and the destination IP address of this message is the subnet broadcast address of a certain network segm...

Claims

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Application Information

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IPC IPC(8): H04L9/32H04L29/06
Inventor 周迪
Owner NEW H3C TECH CO LTD
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