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Data transmission path determination method, network node and content delivery network system

A content distribution network and network node technology, which is applied in the field of data transmission path determination, network nodes and content distribution network system, can solve the problems of low data transmission efficiency, unable to determine the data transmission path, etc., and achieve the effect of improving data transmission efficiency

Inactive Publication Date: 2013-04-17
SINA COM TECH (CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a method for determining a data transmission path, a network node, and a content distribution network system to solve the problem in the prior art that data transmission efficiency is low due to the inability to determine a better data transmission path

Method used

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  • Data transmission path determination method, network node and content delivery network system
  • Data transmission path determination method, network node and content delivery network system
  • Data transmission path determination method, network node and content delivery network system

Examples

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Embodiment 1

[0049] In the embodiment of the present invention, the content distribution network includes multiple network nodes, and the relationship between multiple network nodes is equal. Among them, some network nodes can be bound to the server of the source site, as the network node bound to the source site , the origin site server can perform data interaction with the content distribution network through the bound network node bound to itself. An origin site server can be bound to one network node or multiple network nodes.

[0050] When the user terminal needs to request content from the origin server, it can send the request to the origin server through the content distribution network. Specifically, a network node that is closer to the user terminal can forward the request to the origin server by binding the network node. And receive the request content returned by the origin server based on the same transmission path, and forward the request content to the user terminal.

[0051...

Embodiment 2

[0086] Based on the same inventive concept, according to the method for determining the data transmission path applied to the detection network node provided by the above-mentioned embodiments of the present invention, correspondingly, Embodiment 2 of the present invention also provides a detection network node, which is located in the content distribution network, and its structure Schematic such as Figure 4 shown, including:

[0087] A sending unit 401, configured to send a detection request message to each network node to be detected, where the network node to be detected is a network node other than the detected network node in the content distribution network;

[0088] The receiving unit 402 is configured to receive the detection response message returned by each network node to be detected after receiving the detection request message, and the detection response message carries the network node to be detected to the content distribution network and The round-trip delay...

Embodiment 3

[0096] Based on the same inventive concept, according to the method for determining a data transmission path applied to a network node to be detected according to the above-mentioned embodiments of the present invention, correspondingly, Embodiment 3 of the present invention also provides a network node to be detected, which is located in a content distribution network, Its structural diagram is as Figure 5 shown, including:

[0097] A receiving unit 501, configured to receive a probe request message sent by a probe network node;

[0098] The sending unit 502 is configured to return a probe response message to the detection network node, and is used for the detection network node to determine a round-trip delay from the detection network node to the network node to be detected, and in the detection response message Carrying the round-trip delay from the network node to be detected to the bound network node bound to the origin server in the content distribution network.

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Abstract

The invention discloses a data transmission path determination method, a network node and a content delivery network system. The method comprises the following steps of: transmitting a detection request message to each network node to be detected by using a detection network node in a content delivery network; receiving a detection response message from each network node to be detected after the network nodes to be detected receive the detection request messages, wherein each detection response message carries round-trip time delay from the corresponding network node to be detected to a bound network node bound with a source station server in the content delivery network; determining round-trip time delay from the detection network node to each network node to be detected according to the corresponding received detection response message; and selecting a transmission path with a minimum transmission delay as a transmission path from the detection network node to the source station server from transmission paths corresponding to the network nodes to be detected respectively. According to the scheme, the data transmission efficiency can be improved by determining the data transmission path with the minimum transmission delay.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a method for determining a data transmission path, a network node and a content distribution network system. Background technique [0002] With the increase of Internet services and users, the network gradually becomes more and more congested, and the efficiency of data transmission becomes lower and lower, which seriously affects the user experience. In order to solve this problem, Content Delivery Network (CDN) technology has emerged. The main feature of CDN is to back up the content provided by the Internet Service Provider (Internet Server Provider, ISP) to the network edge device, so that it can Shorten the distance between users and services, reduce bandwidth consumption, improve data transmission efficiency, and network utilization. [0003] At present, network delays in data transmission are mostly related to network protocols, signal transmission and processing cap...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/841
Inventor 熊宗涛朱鑫
Owner SINA COM TECH (CHINA) CO LTD
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