Access request forwarding method and system in content distribution network
A content distribution network and access request technology, applied in the Internet field, can solve problems such as non-return, impact, and packet loss, and achieve the effects of improving quality, speeding up response speed, and ensuring user experience
Inactive Publication Date: 2016-09-07
LETV HLDG BEIJING CO LTD +1
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[0003] In the prior art, the user's access to the determined relatively nearby node is often realized through the forwarding of the intermediate node, and every time the user's access request passes through a new intermediate node, the dispatching center must be asked whether the current node is The CDN node that stores the accessed content not only prolongs the response speed to customer access requests, but also when the network condition is not good, the query request sent to the dispatch center or the result returned by the dispatch center may not be able to respond due to packet loss. Returning to the current CDN node will have a bad impact on user experience. Therefore, how to provide an efficient and stable forwarding method is the key to ensuring whether a CDN visit can really relieve network congestion and improve website response speed, thereby providing users with The best service to improve user experience
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments It is a part of the embodiments of the present disclosure, but not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.
[0022] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0023] The present disclosure can be used in numerous general purpose or special purpose computing system environments or configurations. Examples: personal computers, ...
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The invention provides an access request forwarding method and system in a content distribution network. The method comprises the steps: analyzing a received access request so as to determine the access information carried by the access request; judging whether a current CDN node is a target SDN node or not according to the access information: enabling the current CDN node to respond to the access request if the current CDN node is the target node, or else, transmitting the access request to a next CDN node. After the method and system receive the access request, the received access request is analyzed so as to determine the access information carried by the access request, and then judge whether the current CDN node is the target node or not according to the obtained access information, thereby achieving a purpose of quickly and reliably verifying whether the current CDN node is the target CDN node or not, speeding up the response to the access request of a user, improving the quality of services provided for the user, and guaranteeing the user experience.
Description
technical field [0001] The present disclosure relates to the technical field of the Internet, in particular to an access request forwarding method and system in a content distribution network. Background technique [0002] CDN (Content Delivery Network, Content Distribution Network) is a layer of intelligent virtual network based on the existing Internet formed by placing node servers throughout the network. CDN can redirect the user's request to the service node closest to the user based on comprehensive information such as network traffic, connection of each node, load status, distance to the user, and response time in real time. The nodes send the content required by the user to the user, relieve the network congestion, and improve the response speed of the website. [0003] In the prior art, the user's access to the determined relatively nearby node is often realized through the forwarding of the intermediate node, and every time the user's access request passes through...
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IPC IPC(8): H04L29/08H04L12/741H04L45/74
CPCH04L45/74H04L67/63
Inventor 李洪福李艳松
Owner LETV HLDG BEIJING CO LTD