Data distributing/obtaining method based on network information

A technology of network information and acquisition method, applied in the field of data distribution/distribution, can solve problems such as performance degradation and communication delay increase, and achieve the effects of speeding up speed, reducing network burden, and reducing multiple data paths

Inactive Publication Date: 2007-06-27
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology

[0007] Since the P2P network ignores the topology of the physical network, it will have various impacts on the actual network, such as two application nodes located in the same physical Ethernet, but in different branches of different logical topology trees in the P2P network , so if the two nodes want to communicate, they must go through different nodes on the two branches unti

Method used

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  • Data distributing/obtaining method based on network information
  • Data distributing/obtaining method based on network information
  • Data distributing/obtaining method based on network information

Examples

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Embodiment

[0045] This embodiment includes: a method for initializing a resource state database, a method for distributing / obtaining resources, and a method for maintaining a resource state database.

[0046] The resource state library initialization method includes the following steps (as shown in Figure 3):

[0047] 11) The network topology server obtains the network information of each possible resource peer point within the service scope, and the network information includes network address, geographical location, affiliated unit, management personnel, etc.; the network address of each resource peer point can be obtained by using SNMP Protocol, CMIP protocol and other network management protocols can also be obtained through manual configuration.

[0048] 12) According to information such as the network address obtained in step 11), generate the physical network topology diagram according to the method of network graph theory, this figure includes the connection relationship between ...

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Abstract

This invention relates to a data distribution and getting method based on network information, in which, said method includes: a resource getting node sends a request for getting resources to a resource index server, which searches for it in a resource state library to look for addresses of all resource peer points capable of providing said specific resources currently and feeds back a neighbor list to the resource getting node based on the neighbornhood principle, the getting node sends an obtaining request to the peer points on the list based on the addresses provided by the neighbor list and receives or uses resources, which fully utilizes a physical network topological information to get the lastest neighbor list and reduces multiple data paths resulted in using overlay network in the physical network.

Description

technical field [0001] The invention belongs to the field of data distribution / distribution, in particular to a data distribution / acquisition method based on network information. Background technique [0002] At present, in the field of data distribution / distribution, two types of data distribution / distribution methods are usually adopted: (1) content distribution network (CDN: Content Distribution Network) based on operator controllable (2) end-to-end (P2P) based on terminal system : Peer to Peer) data distribution / acquisition method. [0003] In the field of data distribution / distribution research, there are also explorations that try to combine CDN technology and P2P technology, that is, setting server buffer nodes in the P2P network (can be online for a long time, and the reliability, service capability, and port rate are higher than the terminal system) , Some people call this method the second generation of P2P technology. [0004] CDN technology is based on traditio...

Claims

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Application Information

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IPC IPC(8): H04L12/00H04L12/28H04L29/06G06F17/30
Inventor 王劲林王玲芳张泰乐李挺屹孙鹏李颖华谢铁兵齐卫宁
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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