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Mobile agent based stream media multicast network implementation method and system

An implementation method and technology for a multicast network, which are applied to store-and-forward switching systems, devices that provide special services in branches, data exchange details, etc., and can solve the problem of automatically rebuilding a multicast network, unable to automatically adjust the forwarding load, and unable to dynamically increase or decrease groups. broadcast service, etc.

Active Publication Date: 2010-09-15
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies in the prior art that the streaming media application layer multicast network cannot automatically rebuild the multicast network according to network changes, cannot dynamically increase or decrease the multicast service, and cannot automatically adjust the forwarding load according to the actual situation of multiple users, the present invention provides a A mobile agent-based streaming media application layer multicast network implementation method and system that automatically rebuilds the multicast network according to network changes, can dynamically increase or decrease multicast services, and can automatically adjust the forwarding load according to the actual situation of multiple users

Method used

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  • Mobile agent based stream media multicast network implementation method and system
  • Mobile agent based stream media multicast network implementation method and system
  • Mobile agent based stream media multicast network implementation method and system

Examples

Experimental program
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Embodiment 1

[0044] see figure 1 A method for implementing a streaming media multicast network based on a mobile agent, comprising the following steps: (1) setting up a multicast server mobile agent operating environment: collecting a multicast function set D, and including the mobile agent group of the function set D;

[0045] (2) Release the multicast function: the multicast server distributes the function set D information to all relay nodes in the multicast network;

[0046] (3) Functions that are not included in the rebroadcast node:

[0047] (3.1) The rebroadcast node searches for the mobile agent group on the local host, enumerates the rebroadcast functions contained in the mobile agent one by one, and forms a rebroadcast function set B, and seeks the difference between the rebroadcast function set D of the multicast server and the rebroadcast node function set B G, namely G=D-B;

[0048] (3.2) The rebroadcasting node requests the upper-level rebroadcasting node to send the mobile...

Embodiment 2

[0071] see figure 2 A system constructed with the described mobile Agent-based streaming media multicast network implementation method mainly includes: server unit and node unit:

[0072] Described multicast server unit comprises:

[0073] (1) Rebroadcast network management module: used to manage the topology structure of the multicast network, support adding rebroadcast nodes, deleting rebroadcast nodes, and reorganizing the rebroadcast structure;

[0074] (2) Rebroadcast node management module: its input terminal is connected with the multicast network management module, used to organize and manage the rebroadcast nodes in the multicast network, and the rebroadcast relationship and connection relationship between the rebroadcast nodes;

[0075] (3) Server-side mobile Agent management module: its input terminal is connected with the relay node management module, and is used to manage all mobile Agents contained in the multicast server;

[0076] The communication between ea...

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Abstract

The invention relates to a method for realizing streaming media multicast network based on a mobile Agent, which comprises the following steps: (1) a multicast function collection D and the mobile Agent group containing the function collection are collected; (2) information of the function collection D is released by a multicast server to all rediffusion nodes in the multicast network; (3) functions which are not contained by the rediffusion node are added; (4) the mobile Agent of the rediffusion node is customized; (5) all rediffusion nodes in the multicast network are searched by the multicast server to add the rediffusion node, to delete the rediffusion node, to recombine the rediffusion structure and to check whether the nodes are all updated. The invention has the advantages that: the mobile Agent theory is introduced into realization of the multicast network of the streaming media application layer, which allows the topology of the multicast network to automatically reconstruct according to the network change; the multicast network is automatically reconstructed according to the network change; content and form of the multicast service are dynamically added and subtracted; load of the rediffusion service is adjusted by comprehensively considering situations of a plurality of users in the region.

Description

(1) Technical field [0001] The invention relates to a method and system for realizing a streaming media multicast network based on a mobile agent. (2) Background technology [0002] With the popularity of the Internet, the data transmitted on the network is not limited to text and graphics. The emergence of streaming media technology makes the dissemination of multimedia information in the Internet a reality. Live broadcast is no longer the patent of TV stations and radio stations. With the development of streaming media technology, more and more sites have begun to use streaming technology to spread multimedia video and audio information, providing users with richer content, making the website more Wonderful. There are many local area network video applications that need to be broadcast live on the Internet; such as live broadcast, corporate financing roadshow and other live broadcast services. They all require the audience to watch high-quality programs in the largest r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/54H04L12/18H04N21/63H04N21/6405
Inventor 王万良蒋一波赵燕伟徐新黎任敏陈伟杰张美燕
Owner ZHEJIANG UNIV OF TECH
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