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A Method of Adaptive Multicast Routing Selection

A self-adaptive and routing technology, applied in the branch office to provide special service devices, digital transmission systems, data exchange networks, etc., can solve the problems of single routing selection mechanism and inability to use multicast technology, etc., to achieve high flexibility and wide application range effect

Active Publication Date: 2021-02-09
四川省电子信息产业技术研究院有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing traditional multicast methods all adopt a single routing selection mechanism, and the advantages of multicast technology cannot be fully utilized in various environments, and an adaptive multicast routing is proposed. Method of choosing

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  • A Method of Adaptive Multicast Routing Selection
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  • A Method of Adaptive Multicast Routing Selection

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Embodiment Construction

[0045] Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the implementations shown and described in the drawings are only exemplary, intended to explain the principle and spirit of the present invention, rather than limit the scope of the present invention.

[0046] The embodiment of the present invention provides an adaptive multicast routing selection method, such as figure 1 As shown, the following steps S1-S8 are included:

[0047] S1. Run the RTP protocol in the multicast mode on the server side, and send the stream media data to the multicast channel identified by the multicast address. This design helps the data sent by the server not be affected by the number of receivers.

[0048] S2. Taking each user sending a multicast request service within the multicast range as a member of a multicast group, and counting the number N of multicast group members.

[0049] S3. D...

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Abstract

The invention discloses an adaptive multicast routing selection method, which adaptively selects the optimal routing method according to the current specific multicast group and network environment, and selects the multicast group for a multicast group with a large change rate of multicast group member density. Based on the core discovery method for data transmission, the flooding and pruning method is selected for data transmission for multicast groups with dense multicast group members, and the tunnel method is selected for data transmission for users with scattered multicast group members. Flexibility to maximize the advantages of multicast technology in various environments. In addition, the present invention can also serve the users of the unicast network, can be seamlessly connected with the existing multicast technology and the application layer technology, and can be used together, and has a wide range of applications.

Description

technical field [0001] The invention belongs to the technical field of wireless network communication, and in particular relates to the design of an adaptive multicast routing selection method. Background technique [0002] In 1988, Deering proposed the concept of IP multicast, and since then IP multicast technology has received widespread attention. Multicast is between unicast communication and broadcast communication. It can send data packets sent by the sender to a group of receivers scattered in different subnets. The basic concept of multicast is "group". A multicast group is a group of receivers who want to receive a specific data stream. The group has no physical or geographic boundaries: hosts in the group can be located anywhere on the Internet or private network. Each node in a multicast group is called a multicast group member. [0003] In various applications of multicast, unicast can be realized, but as the number of receivers increases, the number of data p...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/721H04L12/741H04L12/761H04L12/911H04L12/18H04L45/16H04L45/74
CPCH04L12/185H04L45/12H04L45/16H04L45/26H04L45/74H04L47/825
Inventor 孙明罗阳星
Owner 四川省电子信息产业技术研究院有限公司
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