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Relay path allocation system and method supporting flow optimization and application awareness

A technology of traffic optimization and path allocation, which is applied in the field of network communication and can solve problems such as unspecified technical solutions

Active Publication Date: 2015-01-07
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, how to effectively organize relay servers and allocate high-quality relay paths for end-to-end data transmission, that is, the problem of relay path allocation, the Chinese patent application does not provide a corresponding technical solution

Method used

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  • Relay path allocation system and method supporting flow optimization and application awareness
  • Relay path allocation system and method supporting flow optimization and application awareness
  • Relay path allocation system and method supporting flow optimization and application awareness

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Embodiment Construction

[0048] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0049] The relay path allocation system supporting traffic optimization and application awareness in this embodiment, such as figure 1 shown, including application-layer traffic optimization servers, control servers, and relay servers.

[0050] The application layer traffic optimization server is used to obtain network information, and organize the network information into the form of a network mapping table and an overhead mapping table. The application layer traffic optimization server can obtain network information in various ways, such as routing protocols, static configuration policies, dynamic network information, and even third-party content providers through external interfaces.

[0051] The network mapping table contains a series of network location groupings that include domain identifiers, network address prefixes, and network ad...

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Abstract

The invention provides a relay path allocation system and method supporting flow optimization and application awareness and belongs to the technical field of network communication. Bottom layer network information provided by an application layer flow optimization server is utilized, a control server carries out effective organization on a relay overlapping network formed by relay servers according to the bottom layer network topological information, and a relay overlapping network topological model has the characteristics that scalability is high and the relay overlapping network topological model can perceive a bottom layer physical network; the control server obtains multiple types of transmission performance of the relay overlapping network by using the detection performance of the relay servers, thereby having the capacity for application awareness; routing expenses, transmission performance, load rates and other factors are comprehensively considered in a path cost evaluation method for relay paths, so that the relay path allocation system and method have excellent performance in the aspect of selecting high-quality relay paths and can flexibly balance loads among the relay servers.

Description

technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to a relay path allocation system and method supporting traffic optimization and application awareness. Background technique [0002] Data transmission in the traditional IP network mainly relies on the default routing path of the network layer. However, the default routing path is not optimal in many cases, since network service providers usually choose the path that suits local policy requirements rather than the path with the best performance. A large number of research results have shown that the transmission mode based on the application layer overlay network can provide better end-to-end transmission performance than the default network routing transmission mode. In the transmission mode based on the application layer overlay network, how to effectively organize the relay nodes that provide relay services and select high-quality relay paths is the ke...

Claims

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Application Information

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IPC IPC(8): H04L12/729H04L12/721H04L12/741H04L45/125H04L45/74
Inventor 张伟雷为民李浩李广野关云冲
Owner NORTHEASTERN UNIV
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