An Integrated Routing Method for Named Data Networks Based on Location Information and Content Push

A technology for naming data networks and location information, applied in data exchange networks, digital transmission systems, electrical components, etc., can solve problems such as limiting the applicability of routing methods and not being able to effectively achieve a balance between bandwidth overhead and algorithm complexity

Active Publication Date: 2020-06-16
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, for NDN networks that will carry multiple services, the above routing methods cannot effectively achieve a balance between bandwidth overhead and algorithm complexity, which greatly limits the applicability of routing methods

Method used

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  • An Integrated Routing Method for Named Data Networks Based on Location Information and Content Push
  • An Integrated Routing Method for Named Data Networks Based on Location Information and Content Push
  • An Integrated Routing Method for Named Data Networks Based on Location Information and Content Push

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Embodiment 1

[0098] This embodiment discusses the application of an integrated routing method based on location information and content push in NDN communication.

[0099] This embodiment is based on the NDN network. The user sends an Interest packet to request data, and the content source responds to the request with a reply data packet. Network topology and node settings such as figure 1 shown. In this embodiment, the NDN node naming format is "nodex(x=1,2,3...)", where node1 is a user, and node6 is a content source. The NDN data naming format is "datax(x=1,2,3...)". An example of NDN communication using the routing method of the present invention is as follows:

[0100] Step 1, setting network management server, specifically include following sub-steps:

[0101] Step I.1 selects node H in the central area of ​​NDN as the network management server. In this embodiment, the network topology and the settings of node H are as follows figure 1 shown;

[0102] Step I.2 Node H broadcasts ...

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Abstract

The invention relates to a named data network comprehensive routing method based on location information and content push, and belongs to the technical field of computer network routing optimization. Including setting up the network management server, determining the link status of each node and starting the link status timer, establishing the NDN network topology structure diagram and starting the network topology timer, establishing the network topology application record table, and establishing the data name and content of the whole network The source name matches the list and starts the statistical interval timer, the user sends a location request interest packet and the network management server replies with a location data packet, the user calculates the forwarding path and sends a data request interest packet and the content source replies with a content data packet, and the network management server evaluates the data popularity The degree and content source pushes the data name to supplement the FIB table of the NDN node, regularly detects the link status to update the network topology, and pushes the high popularity data name. This method has low complexity and low bandwidth overhead, and can realize fast establishment of FIB table and efficient forwarding of interest packets.

Description

technical field [0001] The present invention relates to a named data network comprehensive routing method based on location information and content push, in particular to a named data network NDN (Named Data Networking) based on location information and content push comprehensive routing method, which belongs to computer network routing optimization technology field. Background technique [0002] Named Data Network (NDN) is a network system with named data as the main communication object, and it is a special case of information-centric network. In NDN, by naming the data and communicating according to the name information of the data packet, the current communication method based on the IP address of the network is changed, and the separation of the data content and the host address is realized. Compared with TCP / IP network is better. The communication in NDN is driven by the content requester, that is, the content requester needs to send a data request first, and the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/751H04L12/741H04L12/721H04L45/02H04L45/74
CPCH04L45/02H04L45/745H04L45/12H04L45/14
Inventor 安建平刁文澜李彤胡晗张宇于季弘范戎飞
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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