Group broadcast desposition method between IPv6 islet and its equipment

A multicast and isolated island technology, applied in the field of network communication, can solve the problems of IPv6 isolated islands unable to multicast communication, achieve good scalability, reduce upgrade costs, and avoid technical risks

Inactive Publication Date: 2011-08-24
HUAWEI TECH CO LTD
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Problems solved by technology

[0009] In order to solve the problem in the prior art that IPv6 multicast communication cannot be performed between IPv6 isolated islands in the IPv4 network, the present invention provides a method for deploying multicast between IPv6 isolated islands. IPv6 isolated islands are connected to the edge of the IPv4 network through service provider border equipment , the method includes the following steps:

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  • Group broadcast desposition method between IPv6 islet and its equipment
  • Group broadcast desposition method between IPv6 islet and its equipment
  • Group broadcast desposition method between IPv6 islet and its equipment

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[0050] specific implementation plan

[0051] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a limitation of the present invention.

[0052] The present invention proposes a method for connecting IPv6 isolated islands through an IPv4 network, dynamically establishing an IPv4 point-to-multipoint multicast service tunnel (MST-Multicast Service Tunnel) carrying IPv6 multicast messages, and realizing multicast communication between IPv6 isolated islands . The specific implementation plan is as follows:

[0053] see Figure 4 , The service provider network is an IPv4 architecture. In the initial state, the development of the IPv6 network is gradual. The IPv6 networks that appear in different geographical locations are completely isolated by the IPv4 network, and it is impossible to connect them all directly. This is called an IPv6 island. There are three IPv6 islands in the figure, namely, IPv6 islan...

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Abstract

This invention discloses a multicast disposing method among IPv6 isolated islands and ISP internet border devices for realizing it, in which, multicast parameters are transmitted in IPv4 and negotiated, and a multicast service tunnel is set up in the IPv4 based on the negotiation result to realize multicast communication in the IPv4 network. This invention also provides an ISP internet border device including a multicast parameter setting module, a transfer module, a negotiation module, a multicast service tunnel set-up module and a multicast neighbour relation module, in which, the new IPv6 device can be connected to the current IPv4 network at any time without updating the current IPv4 core network.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method and equipment for deploying IPv6 multicast by connecting an IPv6 isolated island through an IPv4 network. Background technique [0002] At present, the Internet has become an indispensable means of work and communication in people's lives. Currently, the IPv4 protocol widely used in the Internet is also known as the IP protocol. The IPv4 protocol standard was formulated in the 1970s. After nearly 30 years of continuous evolution and development, IP technology has changed from simply transmitting data to an integrated network that can transmit data, voice, and video multimedia. With the development of applications and the advancement of technology, next-generation network technologies are gradually appearing in people's field of vision. The next-generation network needs to provide reliable service quality assurance and support multiple integrated services ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/46H04L29/06
CPCH04L69/08H04L12/1836H04L61/2592H04L29/12509H04L29/12358H04L61/2567H04L61/251
Inventor 刘晖
Owner HUAWEI TECH CO LTD
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