A high-quality qos guarantee method for content-centric networks

A content-centric network, high-quality technology, applied in the field of high-quality QoS assurance of content-centric networks, can solve the problems of lack of content feature recognition and different content features to distinguish services, and achieve the effect of improving network throughput and high network throughput

Active Publication Date: 2019-12-24
THE PLA INFORMATION ENG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the current content-centric network realizes the transmission and control of content as the core of the network, it lacks the identification of content characteristics and differentiated services for different content characteristics.

Method used

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  • A high-quality qos guarantee method for content-centric networks
  • A high-quality qos guarantee method for content-centric networks
  • A high-quality qos guarantee method for content-centric networks

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Embodiment Construction

[0043] Exemplary embodiments of the present invention will be described in detail with reference to the following drawings.

[0044] Description of some nouns:

[0045] Priority judgment threshold: The priority judgment threshold T is the judgment threshold for content data packets with different activity levels to enter transmission queues with different priorities. When the activity f of a certain content characteristic data packet is greater than the priority judgment threshold T, the data packet is judged to enter the high priority transmission queue; on the contrary, when the activity f of a certain content characteristic data packet is smaller than the priority judgment threshold T , the data packet is judged to enter the lower priority transmission queue

[0046] Weighted round-robin scheduling: when polling the scheduling output, each transmission queue is assigned a different weight according to the queue priority. Queues with higher priority are assigned greater we...

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Abstract

The present invention relates to the field of computer networks, in particular to a high-quality QoS guarantee method for a content-centric network, which can add a content identification table to a routing node of the content-centric network to realize content awareness, and realize the priority of different content characteristic data packets through active values Differentiate the transmission, improve the throughput of the network, so as to provide high-quality QoS guarantee for the content required by the user, including the following content: according to the content data information of the content-centric network, the traffic classification identification table in the network is obtained; according to the node in the content-centric network According to the popularity information of content characteristics, the activity classification of different content characteristics is obtained; according to the activity information of different content characteristics, different priority transmission queues are established; according to the activity information of different content characteristics and the priority judgment threshold, different content characteristics are obtained The probability that data packets get high priority; according to the probability that different content data packets get high priority, the scheduling operation of different priority transmission queues is completed.

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a high-quality QoS guarantee method for a content-centric network. Background technique [0002] With the continuous development and changes of applications on the Internet, the existing Internet based on TCP / IP has gradually exposed many problems, such as poor security, no mobile support, unreliability, lack of flexibility, limited effectiveness, and rigidity to new applications. In response to these problems, many research institutions at home and abroad are currently conducting research on the design of the future network architecture. [0003] Content Centric Networking (CCN) is one of the important achievements of the current future Internet architecture research. Its core idea is to change the current end-to-end communication mechanism between Internet terminals, separate the content from the terminal location, and publish / subscribe Paradigm (Publish / Subscribe Paradigm) to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/865H04L12/863H04L12/851H04L47/6275
CPCH04L47/24H04L47/2441H04L47/2483H04L47/6215H04L47/623H04L47/6275
Inventor 张震张建辉兰巨龙胡宇翔程东年陶勇卜佑军韩伟涛傅敏
Owner THE PLA INFORMATION ENG UNIV
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