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A routing information updating method, device and system for NDN network

An information update and routing technology, applied in the field of communication, can solve the problems of complex routing information update process and low efficiency, and achieve the effect of improving update efficiency and reducing complexity

Active Publication Date: 2019-09-06
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in practical applications, the number of nodes in the NDN network is large, and the above method will lead to complex routing information update process and low efficiency

Method used

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  • A routing information updating method, device and system for NDN network
  • A routing information updating method, device and system for NDN network
  • A routing information updating method, device and system for NDN network

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Embodiment approach

[0113] As an implementation manner of the embodiment of the present invention, the first sending module 420 includes:

[0114] The third sending sub-module 421 is configured to send the third content interest packet containing the summary information of the routing state information currently stored by each common node in the target domain to the rest of the target domain except the target common node Each common node;

[0115] The fourth sending sub-module 422 is configured to receive the fourth content interest packet sent by the other common nodes, and send the fourth interest packet containing the routing state information currently stored by the common nodes in the target domain to the remaining common nodes. Three content data packets; wherein, the fourth content interest packet is sent by the remaining common nodes when it is determined that the summary information included in the third content interest packet is different from the locally stored summary informati...

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Abstract

The embodiment of the invention provides a routing information updating method, a device and a system for an NDN network. The NDN network includes multiple domains. Each domain includes a gateway node and a plurality of common nodes. The method is applied to the gateway node of any target domain. The method comprises the following steps of acquiring the currently stored routing state information of each common node in a target domain; sending the currently stored routing state information of the each common node in the target domain to each common node in the target domain; and sending the currently stored routing state information of the each common node in the target domain to the gateway nodes of all the other domains. According to the embodiment of the invention, the information updating complexity among nodes in the NDN network is reduced, so that the updating efficiency of the routing information is improved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for updating routing information of an NDN network. Background technique [0002] With the continuous development of new technologies and services such as mobile Internet, cloud computing, big data, and the Internet of Things, the demand for content on the entire Internet is growing exponentially. Since the traditional network architecture based on TCP / IP was originally designed to be used as a communication network rather than a network for distributing content, therefore, in the process of the network gradually becoming content-based, the existence of the Internet Problems are also gradually exposed, mainly including security, mobility, controllability, scalability, and quality of service. [0003] In order to meet the challenges in the current Internet development process, countries around the world have carried out research on the f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/08
Inventor 谢人超黄韬谢俊峰邹贵今刘江刘韵洁
Owner BEIJING UNIV OF POSTS & TELECOMM