Packet structure and interest packet transfer and source switching and source agency selection method

An interest packet and packet structure technology, applied in the Internet field, can solve problems such as single point of failure and scalability problems, and achieve the effects of small switching delay, small packet loss rate, and reduced switching overhead.

Inactive Publication Date: 2013-07-10
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The home domain information library has a single point of failure problem, and when the number of mobile content sources increases, the home domain information library has a scalability problem

Method used

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  • Packet structure and interest packet transfer and source switching and source agency selection method
  • Packet structure and interest packet transfer and source switching and source agency selection method
  • Packet structure and interest packet transfer and source switching and source agency selection method

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Embodiment Construction

[0052] refer to Figure 1-4 Examples of the present invention will be described.

[0053] In order to make the above objects, features and advantages more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0054] like figure 1 As shown, a location identifier and proxy processing label are extended in the interest packet of the content-centric network, and a location identifier is extended in the data packet. The content name is used to identify the content, the location identifier is used to indicate the location of the content, and the agent processing label indicates that the location identifier in the interest packet is set by the content source agent. The location identifier can be the name of the access router or content source agent in the network, or the path information to the content source. When there is no location identifier in the interest packet, the way the ...

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Abstract

The invention discloses a packet structure and an interest packet transfer, source switching and source agency selection method. The packet structure is used in a content center network. The content center network is divided into a plurality of mobile management regions, wherein each mobile management region has at least one content source agency and names the content source agency or a router in the region; when the content source agency receives an interest packet, a corresponding position marker is added into the interest packet according to position information of a mobile content source; an agency handling label is arranged to enable the interest packet to be transferred to the mobile content source according to the position marker; and the interest packet of the content center network expands one position marker and the agency handling label, one position marker is expanded in a data packet and used for showing the position of content, and the agency handling label shows that the position marker in the interest packet is set by the content source agency.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method for packet structure, interest packet forwarding, source switching and source agent selection. Background technique [0002] In recent years, the Internet based on the TCP / IP architecture has achieved great success. Nevertheless, with the development of Internet applications and businesses, the way people use the Internet has gradually changed to content production, access and sharing. Currently, many Internet services have begun to provide users with various contents and allow users to share their contents, such as YouTube, FaceBook and Twitter. The TCP / IP architecture has inherent defects, and there are many problems in terms of scalability, mobility, and security controllability, which seriously hinder the development of the Internet. Therefore, the researchers proposed an information-centric network architecture (ICN, Information-Centric Networking). A conten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W36/00
Inventor 刘颖唐建强张宏科罗洪斌
Owner BEIJING JIAOTONG UNIV
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