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Packet transmitting method and device

A message and device technology, applied in the field of communication, can solve problems such as discarding

Active Publication Date: 2009-12-16
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above-mentioned prior art has been proved to be able to limit attack packets to a certain extent, but at the same time, there is also a defect that part of the normal MLD protocol packets will be discarded due to the speed limit of the MLD protocol packets.

Method used

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  • Packet transmitting method and device

Examples

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Embodiment Construction

[0024] In the embodiments of the present invention, attack packets and non-attack packets are correspondingly transmitted by adopting different transmission rates, so that the attack packets can be limited, and the non-attack packets will not be restricted and the non-attack packets will not be discarded.

[0025] The main realization principles, specific implementation modes and corresponding beneficial effects that can be achieved of the technical solutions of the embodiments of the present invention will be described in detail below in conjunction with each accompanying drawing.

[0026] Such as figure 1 As shown, it is a schematic diagram of a specific implementation flow chart of a message transmission method provided by an embodiment of the present invention, including the following steps:

[0027] Step 11, determine the identification of the protocol message to be transmitted, wherein, the identification of the protocol message to be transmitted can be but not limited t...

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PUM

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Abstract

The invention discloses a packet transmitting method and device, which is used for preventing defect of discarding a part of normal MLD protocol packet while limiting attack packet existed in the prior art. The disclosed packet transmitting method comprises: determining label of protocol packet to be transmitted; according to the determined label, determining whether the protocol packet to be transmitted is attack packet; transmitting the protocol packet to be transmitted by using a speed not less than the present actual transmitting speed of the protocol packet to be transmitted, if not; transmitting the protocol packet to be transmitted by using a speed not larger than a first rated speed configured aiming at attack packet, if yes, wherein the first rated speed is less than the actual transmitting speed.

Description

technical field [0001] The present invention relates to the communication field, in particular to a message transmission method and equipment. Background technique [0002] IPv6, Internet Protocol version 6, is a next-generation IP protocol designed by the Internet Engineering Task Force (IETF, Internet Engineering Task Force) to replace IPv4, and it can well solve the problem of IP address exhaustion. [0003] In an IPv6 network, the Multicast Listener Discovery Protocol (ie, MLD, which has two versions, MLDv1 and MLDv2), replaces the Group Management Protocol (IGMP, Internet Group Management Protocol) originally used in an IPv4 network. The MLD protocol is an extension of the ICMPv6 protocol. A sub-protocol that uses ICMPv6 packets to carry data, unlike IGMP that directly uses IP packets to carry data. [0004] In the prior art, with the widespread application of the IPv6 network and the MLD protocol, there will be more and more attacks on IPv6 devices using MLD protocol ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/56H04L12/811
Inventor 刘宗颖
Owner ZTE CORP
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