Content distribution network system and method applicable to multi-service fusion

A content distribution network and distribution system technology, applied in the field of content distribution network services, can solve problems such as inability to reuse equipment, high investment, and unrealizable business processes

Active Publication Date: 2008-08-13
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution cannot reuse equipment, so the investment is high and the address resources occupied are also large.
Moreover, because the DNS method and the application layer redirection method need to interpret domain names and URLs to different GSLB servers according to different services, customers of the same CDN

Method used

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  • Content distribution network system and method applicable to multi-service fusion
  • Content distribution network system and method applicable to multi-service fusion
  • Content distribution network system and method applicable to multi-service fusion

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0072] Figure 6 It shows a network hierarchical structure for realizing service convergence at the GSLB layer in the case of limited address resources according to the first embodiment of the present invention. FIG. 7 shows a network system structure for realizing service convergence at the GSLB layer under the condition of limited address resources according to the first embodiment of the present invention.

[0073] The content distribution network system according to the first embodiment is essentially a system: it includes a domain name service DNS-based content distribution system and an application layer redirection content distribution system, and the DNS-based content distribution system has a DNS-based global service load The balancer GSLB (111), the application layer redirection content distribution system has the application layer redirection GSLB (112), the DNS-based content distribution system and the application layer redirection content distribution system are b...

no. 2 example

[0096] Figure 8 It shows a network hierarchical structure for realizing service convergence at the SLB layer in the case of limited address resources according to the second embodiment of the present invention. FIG. 9 shows a network system structure for realizing service convergence at the SLB layer in the case of limited address resources according to the second embodiment of the present invention.

[0097] refer to Figure 8 and 9, the content distribution network system according to the second embodiment includes:

[0098] Client (14), the browser of this client responds to the content provider URL that the user types, produces DNS domain name resolution request; Responds to the user obtaining content URL by the release page of content provider, initiates content access request;

[0099] Be positioned at the switching equipment (121) of SLB layer (12), it is as the service load balancer SLB on the one hand, has each buffer (131-135) that is used to store the content tha...

no. 3 example

[0126] Figure 10 It shows a network hierarchical structure for realizing service convergence under the condition of sufficient address resources according to the third embodiment of the present invention. Fig. 11 shows a network system structure for realizing service convergence under the condition of sufficient address resources according to the third embodiment of the present invention. In this embodiment, the content provider needs to apply for different domain names for different services.

[0127] refer to Figure 10 and 11, the content distribution network system according to the third embodiment includes:

[0128] Client (14), the browser of this client responds to the content provider URL that the user types, produces DNS domain name resolution request; Responds to the user obtaining content URL by the release page of content provider, initiates content access request;

[0129] The SLB (121) located at the SLB layer (12) has various buffers (such as web page cache ...

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Abstract

The invention is a content distribution network system, comprising a content distribution system based on domain name service (DNS) provided with a local service load balancer (GSLB) based on DNS and an application layer reoriented content distribution network system provided with an application reoriented GSLB, characterized in: a exchange device is provided between the DNS-based GSLB and the application reoriented GSLB, which is coupled to a client, receives DNS domain name resolution request from the client or content access request with content uniform resource locator, and forwards the request to the DNS-based GSLB and the application reoriented GSLB according to the service type of the request. The invention also provides a related method. The invention realizes the integration of DNS-based CDN network and application layer reoriented CDN network.

Description

technical field [0001] The invention relates to a content distribution network (CDN) service in the Internet, in particular to a content distribution network system and method adapting to multi-service integration. Background technique [0002] The full name of CDN is Content Delivery Network, that is, content distribution network. CDN publishes content to the "edge" of the network closest to the user by superimposing a new network architecture on the existing Internet (i.e. figure 1 , SLB-service load balancer in 2), if there is no CDN, all users must visit the content provider if they want to see the content of the content provider (16), causing congestion to the content provider and worsening network performance. In order to solve network congestion, a CDN is superimposed on the existing Internet, as shown in Figure 2, that is, the content provider copies its content to each SLB (Service Load Balancer) (121a-c), so that users do not have to be crowded The content provi...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/18H04H60/82
Inventor 周开宇雷葆华谭国权杨明川杨战宏广小明王和宇
Owner CHINA TELECOM CORP LTD
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