Covering network group broadcast protocol technology

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...

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