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Pre-release method for intra-autonomous domain video service in NDN/CCN (Named Data Networking/Content Centric Networking)

A video service, autonomous domain technology, applied in the field of Internet communication, can solve the problems of inflexible data push and loss of client autonomy, and achieve the effects of improving data acquisition experience, improving universality, and reducing request delay

Active Publication Date: 2017-02-22
CHONGQING UNIV OF POSTS & TELECOMM
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  • Description
  • Claims
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Problems solved by technology

In the way of data acquisition, the strategy proposed above los

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  • Pre-release method for intra-autonomous domain video service in NDN/CCN (Named Data Networking/Content Centric Networking)
  • Pre-release method for intra-autonomous domain video service in NDN/CCN (Named Data Networking/Content Centric Networking)
  • Pre-release method for intra-autonomous domain video service in NDN/CCN (Named Data Networking/Content Centric Networking)

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Embodiment Construction

[0032] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0033] The purpose of the present invention is to propose a method for pre-publishing video services in the autonomous domain in NDN / CCN. On the basis of improving the universality of NDN / CCN, the method realizes pre-release of video services in NDN / CCN, and utilizes users to request video services. The feature of data continuity is that before the request is issued, the information manager (IM) in the autonomous domain collects the historical request records of the users in the domain. Notify the server in the form of a request packet. The server obtains the push target data through the request packet sent by IM, and actively pushes it to the autonomous domain during the idle period of the network link (such as the early morning period). For example, if an autonomous domain user visits a TV series that updates two episodes a day, and visi...

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Abstract

The invention relates a pre-release method for intra-autonomous domain video service in an NDN/CCN (Named Data Networking/Content Centric Networking) and belongs to the technical field of the Internet communication. According to the method, to-be-requested data of intra-autonomous domain users in a next cycle is pre-released to intra-autonomous domain cache nodes on the basis of request history information of the intra-autonomous domain users and a continuity request feature for the video service. Collection and statistics are carried out on the history request information of the intra-autonomous domain users through an intra-autonomous domain information manager IM. The IM obtains the to-be-requested data of the intra-autonomous domain users in the next cycle and informs a server side of the data information periodically. The server side pre-releases the data to a node set for caching through utilization of network link idle periods, thereby satisfying requests of the intra-autonomous domain users in the next cycle. According to the method, through utilization of the request information of the intra-autonomous domain users, new video content is pre-released to the autonomous nodes, the access delay of the users is reduced, the congestion in a network peak period is avoided, and the user experience of obtaining the data is improved.

Description

technical field [0001] The invention belongs to the technical field of Internet communication, and relates to a method for pre-publishing video services in an autonomous domain in NDN / CCN. Background technique [0002] With the development of Internet technology, user needs and communication methods have changed, from traditional end-to-end communication methods to content sharing and resource acquisition. Content is the trend of Internet development. Such a development trend makes the traditional TCP / IP network architecture face severe challenges, hinders the development of the Internet, and cannot meet people's needs. In order to break the shackles of the traditional Internet TCP / IP structure, researchers designed a new Internet architecture to completely solve the problems exposed by the current network architecture. Among them, Named Data Networking (NDN) / Content Centric Networking (CCN) is the most representative and promising development in the current new Internet ar...

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Application Information

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IPC IPC(8): H04N21/262H04N21/258H04L29/08
CPCH04N21/25891H04N21/26208H04L67/5681H04L67/55H04L67/60
Inventor 黄胜郝言明胡凌炜向劲松
Owner CHONGQING UNIV OF POSTS & TELECOMM