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Intelligent optical network exchange device and edge cashing method facing content center

A technology of intelligent optical network and content center, applied in the field of optical communication network, to achieve the effect of improving network utilization efficiency, reducing the number of times, and efficiently transmitting

Inactive Publication Date: 2013-02-06
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently, content-centric research on optical networks is still in its infancy

Method used

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  • Intelligent optical network exchange device and edge cashing method facing content center
  • Intelligent optical network exchange device and edge cashing method facing content center
  • Intelligent optical network exchange device and edge cashing method facing content center

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Embodiment Construction

[0028] figure 1 It shows the supplementary schematic diagram made by the switching device of the present invention for the layered structure of the intelligent optical network. The overall architecture can adopt the intelligent optical network architecture based on G.8080, but it is not limited to this kind of structure. All optical network structures that support dynamic connection establishment and removal can use this device. It is mainly composed of three layers, namely the control layer, the transport layer and the management layer. The focus includes the supplements made by the present invention to the management and control layer, including the redirection management module in the management layer for supplementing the resource management mechanism and the optical path redirection control module in the control layer.

[0029] The main function of the redirection management in the management layer to supplement the resource management mechanism is that after the managem...

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Abstract

The invention aims at providing an intelligent optical network exchange device and an edge cashing method facing content center. The exchange device comprises a content server, a content information database, a redirection address database, a content center distribution database, an inter-domain route calculating unit and the like. The device conducts complementation on a control plane of an intelligent optical network under the condition that inter-domain route work and resource transmission are required in the optical network to achieve content management of domain granularity. The device selectively configures content servers distributed at the near end of the domain to conduct relay of content by judging ratio of the requested times of the content in a given domain occupied in the whole network requested times. The device achieves intelligent redistribution of high frequency requested contents in the network, pushes the content to the edge to the largest extent, remarkably reduces backbone network load, remarkably reduces long distance content transmission times, improves network utilization efficiency and achieves high-efficiency transmission of the content.

Description

technical field [0001] The invention discloses a content center-oriented intelligent optical network switching device and an edge caching method, belonging to the technical field of optical communication networks. Background technique [0002] With the advancement of technology and the popularization of Internet applications, the demand for hardware interconnection has been relegated, information sharing has become the primary goal of network interconnection, and content services have become the main body of network services. At present, the main body of network applications has shifted to content such as text information and video. Under this premise, users do not care about the specific storage location of the content, but care about the transmission speed and quality of the content, and whether the network is safe. Under the current Internet architecture. We still retrieve and transmit information content based on the host address. Doing so does not adapt to changes in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00
Inventor 李慧徐彤纪越峰
Owner BEIJING UNIV OF POSTS & TELECOMM
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