P2P network construction method based on streaming media live broadcast system

A P2P network and construction method technology, applied in the field of network P2P construction, can solve the problems of large delay, high cost overhead, high CDN server load, etc., achieve low server load, low deployment cost, and overcome the effect of excessive load

Active Publication Date: 2017-08-04
XIDIAN UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the disadvantage of this method is that the nodes between different autonomous domains are based on the network structure, and the data is obtained by pulling, and there is still a large delay
However, this method still has the disadvantage that the load of a single content distribution network CDN server is too high, resulting in a large cost overhead

Method used

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  • P2P network construction method based on streaming media live broadcast system
  • P2P network construction method based on streaming media live broadcast system
  • P2P network construction method based on streaming media live broadcast system

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Embodiment Construction

[0051] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0052] Refer to attached figure 1 , the specific steps of the present invention are described in detail as follows.

[0053] Step 1, initialize system parameters.

[0054] Initialize the lower limit and upper limit of the number of nodes to be added to the system to acquire streaming media data as 2 and 10, respectively.

[0055] Initialize the size of streaming media data block to the size of one video frame.

[0056] Step 2, the node sends a request.

[0057] Provide the content source node of the live program for the streaming media live broadcast system, and send a request to the streaming media live broadcast system to become a live broadcast source.

[0058] An ordinary node that obtains live programs from the streaming media live broadcast system sends a request to the streaming media live broadcast system to become a receiver.

[0059] Step 3, re...

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Abstract

The invention discloses a P2P network construction method based on a streaming media live broadcast system for solving the problem that the prior art cannot satisfy the low delay and high cost of the streaming live broadcast system. The P2P network construction method disclosed by the invention mainly comprises the following steps: dividing levels of nodes according to an uploading bandwidth; allocating nodes for providing streaming media data to the nodes; and adjusting the neighborhood of the registered nodes, so that the number of the nodes providing streaming media data to the nodes is within a reasonable range. The node layering algorithm designed by the invention is suitable, the nodes with high service ability are closer to the contact source according to the uploading bandwidths of the nodes, thereby effectively shortening the transmission delay of the streaming media system, and each node provides the streaming media data for other nodes at the maximum service ability, thereby reducing the pressure of a contact source server and reducing the cost of the system.

Description

technical field [0001] The invention belongs to the technical field of communication, and further relates to a method for constructing a P2P (Peer to Peer) network based on a streaming media live broadcast system in the technical field of Internet communication. The network construction method proposed by the invention is used for distribution of streaming media data in a streaming media live streaming system. Background technique [0002] Compared with the traditional C / S (client / server) mode, the remarkable feature of the P2P mode is that each node has the same status in the network, and provides services to other nodes while receiving services from other nodes. The live streaming system adopts the P2P mode, which can effectively reduce the pressure on the server and reduce operating costs. [0003] P2P networks can be divided into two types according to whether there is a fixed topology structure: structured (structured) P2P network system and unstructured (unstructured)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
CPCH04L67/1042H04L67/1078H04L65/75H04L65/611
Inventor 张岗山马龙赵林靖刘炯冯磊吴炜
Owner XIDIAN UNIV
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