High-quality QoS guarantee method for content centric networking

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: 2017-09-05
THE PLA INFORMATION ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the current content-centric network realizes the transmission and control of content as the core of the network,

Method used

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  • High-quality QoS guarantee method for content centric networking
  • High-quality QoS guarantee method for content centric networking
  • High-quality QoS guarantee method for content centric networking

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Embodiment Construction

[0045] Exemplary embodiments of the present invention will be described in detail with reference to the following drawings.

[0046] Description of some nouns:

[0047] 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

[0048] 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 invention relates to the field of a computer network, and particularly relates to a high-quality QoS guarantee method for content centric networking. Content identification tables can be added on routing nodes of the content centric networking to implement content awareness, priority differential transmission of different content feature data packets is implemented by active values, and throughput of the networking is improved, so that high-quality QoS guarantee is provided for contents required by users. The high-quality QoS guarantee method comprises the following contents of: according to content data information of the content centric networking, obtaining traffic classification identification tables in the networking; according to popularity information of content features in the nodes of the content centric networking, obtaining active value categories of different content features; according to active value information of different content features, establishing different priority transmission queues; according to the active value information of different content features and a priority judgment threshold, obtaining probabilities for different content data packets to obtain high priorities; and according to the probabilities for different content data packets to obtain the high priorities, completing the scheduling operation on different priority transmission queues.

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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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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