Message control method and equipment

A device and message technology, applied in the field of communication, can solve the problems affecting the normal user's access to the destination IPv4 network, affecting the processing performance of AFTR equipment, network delay, etc.

Inactive Publication Date: 2015-02-18
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In the above implementation, if a client connected to the B4 device maliciously initiates a large number of IPv4 packets to access the destination IPv4 network, the AFTR device will receive a large number of IPv4 packets, which will affect the processing performance of the AFTR device and may cause serious network problems. Delay, which seriously affects normal users' access to the destination IPv4 network

Method used

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  • Message control method and equipment
  • Message control method and equipment

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Embodiment Construction

[0035] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a method of message control, which is applied to a DS-Lite network including AFTR equipment and B4 equipment, and the B4 equipment is connected to the AFTR equipment through the IPv6 network . by figure 2It is a schematic diagram of an application scenario of an embodiment of the present invention. A client in an IPv4 network needs to access a server in a destination IPv4 network through an IPv6 network. Among them, the B4 device is between the client in the IPv4 network and the IPv6 network, the IPv6 network is between the B4 device and the AFTR device, and an IPv6 tunnel is established between the B4 device and the AFTR device, and the IPv6 network and the destination IPv4 network are AFTR equipment. In this application scenario, it is assumed that the IPv4 address of the client in the IPv4 network is 192.168.0.2, and the IPv4 address of the server in the destination ...

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Abstract

The invention discloses a message control method and message control equipment. The method comprises the steps that AFTR (Address Family Translation Router) equipment is used for receiving an IPv6 message of B4 equipment, wherein the IPv6 message takes an IPv6 head, and a source address of the IPv6 head is an IPv6 tunnel address of the B4 equipment; the AFTR equipment is used for the existing corresponding linking number of the IPv6 tunnel address of the B4 equipment; if the linking number does not reach a limited numerical value of the linking number, the AFTR equipment is used for continuously processing the IPv6 message; if the linking number reaches a limited numerical value of the linking number, the AFTR equipment discards the IPv6 message. In the embodiment of the message control method, the sources of the AFTR equipment cannot be ensured to be exhausted, so as to prevent the influence on the user service quality due to resource exhaustion; furthermore, the influence on the processing property of the AFTR equipment can be prevented, the serious delay on the network can be prevented, and normal users can visit a target IPv4 network without any influence.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a message control method and equipment. Background technique [0002] Such as figure 1 As shown, it is a schematic diagram of a DS-Lite (Dual-Stack Lite) network. When a client in the IPv4 network needs to access the destination IPv4 network through the IPv6 network, the IPv4 packet sent by the client will be Pass through B4 (Basic Bridging Broad Band, gateway basic bridging broadband unit) equipment. Based on the IPv6 tunnel between the B4 device and the AFTR (Address Family Transition Router, address family transition router unit), the B4 device performs IPv6 tunnel encapsulation on the IPv4 message, and encapsulates a layer of IPv6 header on the IPv4 message. Wherein, the source address of the IPv6 header is the IPv6 tunnel address of the B4 device, and the destination address is the IPv6 tunnel address of the AFTR device. Further, the B4 device sends the pac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/743H04L12/823H04L12/46H04L29/12H04L47/32
Inventor 赵殿乐邓覃思杨银柱
Owner NEW H3C TECH CO LTD
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