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Method and system for controlling multi-casting member to join

A multicast member and control group technology, applied in the field of data communication, can solve problems such as the lack of network attack solutions, and achieve the effects of reducing impact, ensuring joining, and avoiding encroachment

Active Publication Date: 2013-09-25
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In the prior art, there is a lack of solutions to the above-mentioned cyber attacks

Method used

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  • Method and system for controlling multi-casting member to join
  • Method and system for controlling multi-casting member to join
  • Method and system for controlling multi-casting member to join

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0035] Since network devices (such as routers and switches) always undergo network configuration before they are put into operation, a binding relationship table between multicast groups and trusted multicast sources can be established when performing network configuration on the network devices. After the network device receives the joining report of the multicast member, it can know which multicast sources are credible and which multicast sources are untrustworthy by querying the binding relationship table, and then according to whether the multicast source is credible Trea...

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Abstract

The invention discloses a method and system for controlling a multi-casting member to join. The method and system for controlling the multi-casting member to join is applied to network equipment supporting a multi-casting member managing protocol. The method comprises the steps that a binding table between a multi-casting group identification and a multi-casting source identification is established according to the relevant relation between a multi-casting group and a credible multi-casting source; after a joining report, with the multi-casting group identification and the multi-casting source identification, of a multi-casting member is received, a multi-casting table entry is created only for a legal multi-casting source subordinate to the multi-casting group in the joining report of the multi-casting member, wherein the legal multi-casting source subordinate to the multi-casting group indicates the multi-casting source recorded in the binding table of the multi-casting group. The method and system for controlling the multi-casting member to join can lessen the impact of the joining reports of vicious multi-casting members to the network equipment, and guarantees normal multi-casting members to join.

Description

technical field [0001] The invention relates to the technical field of data communication, in particular to a method and system for controlling multicast member joining. Background technique [0002] Multicast protocols are divided into multicast member management protocols and multicast routing protocols. The Multicast Membership Management Protocol (IGMP, Internet Group Management Protocol) is used to manage the joining and leaving of multicast members. Currently, there are three versions: IGMPv1, IGMPv2 and IGMPv3, defined by RFC1112, RFC2236 and RFC3376 respectively. On the basis of being compatible with and inheriting from IGMPv1 and IGMPv2, IGMPv3 further enhances the control capability of multicast members. [0003] In IGMPv1 / IGMPv2, the multicast member join report only carries the multicast group address, not the specific multicast source address. After a multicast member joins a multicast group, it can only passively receive any multicast source. All messages sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/12H04L12/18
Inventor 张玉莹
Owner ZTE CORP
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