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Covering network group broadcast protocol technology

A multicast protocol and overlay network technology, applied in the field of computer communication to achieve the effect of facilitating tracking and management, ensuring stability, and ensuring stability

Inactive Publication Date: 2006-01-04
BEIJING JIAOTONG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Moreover, there is no overlay network multicast protocol that guarantees the minimum average RTT (round-trip time) value between nodes.

Method used

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  • Covering network group broadcast protocol technology
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  • Covering network group broadcast protocol technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Embodiment 1: as figure 1 Shown, the specific technical steps adopted by the present invention to solve its technical problems are as follows:

[0044] Step 1. The host user who joined the multicast group sends a joining application, and the server judges the user's legitimacy; otherwise, it returns;

[0045] Step 2. Send a confirmation notification to the user, the user sends his location information to the server, and the server stores the information locally, and the location information includes: the IP address of the host, the name of the ISP to which it belongs, and some basic information of the host user;

[0046] Step 3. After the joining nodes are stabilized, the server starts to group all nodes according to the ISP domain organization method. The server first divides each node into each large domain according to the different ISP of each node. All nodes in each domain belong to the same ISP management, and each domain is grouped again according to the network...

Embodiment 2

[0052] Embodiment 2: First, according to the characteristics of the current Internet network service, the present invention organizes multicast members according to ISP domains. Before the multicast group is established, all nodes that want to join the multicast group will send a join request to the data source server, and through this join request server can ask each node to add its ISP and basic network information, which is convenient for the multicast group Member classification reorganization. After a period of time, when the users joining the nodes are relatively stable, the server begins to group all members; the server first divides them into large domains according to the different ISPs of each node (such as image 3 ), all nodes in each domain are managed by the same ISP. Each domain is grouped again according to the network topology and the number of multicast members. If the number is small, all multicast members in the entire domain will be grouped together; Mul...

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Abstract

A new covered network multicast protocol characterizes: 1, Matrix cast protocol can ensure the mean RTT value among the nodes the smallest, namely, the data transmission delay is the smallest, 2. According to ISP, it is convenient for network service providers to manage and charge multicast data and favorable to the trace and management multicast members. 3, packet in the domain is good for setting up RTT matrix in the packet, which can reduce the construction time of a data forward tree and slow down the compute pressure of a node server. 4 RTT value is refreshed definitely and the note state is regulated timely according to the network situation in the packet.

Description

Technical field [0001] The invention relates to an overlay network multicast protocol technology. The invention belongs to the technology in the field of computer communication. Background technique [0002] As a revolutionary technology in the history of IP network development, IP multicast has been more than 20 years since it was first proposed, but multicast is still not widely used. There are many reasons for this, the main reason is that ① IP multicast uses UDP protocol, which cannot provide effective congestion control and reliability guarantee; ② IP multicast requires the router of any node on the network to provide multicast support, so there is Difficulties in deployment; ③The tracking, management and billing of multicast members are difficult to realize, which leads to the unwillingness of network operators to provide IP multicast services. Therefore, how to apply multicast technology to the existing network to make it highly scalable and deployable becomes the k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/28
Inventor 刘云王铮李永昊卯玉成
Owner BEIJING JIAOTONG UNIV
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