Systems and methods for content-aware load balancing

a technology of content-aware routing and load balancing, applied in the field of information systems, can solve the problems of insufficient data partitioning and content-aware routing work, and the cost of content-aware routing is usually significantly more, and achieve the effect of improving load balancing techniques
US20060224773A1Inactive Publication Date: 2006-10-05IBM CORP
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
IBM CORP
Publication Date
2006-10-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

Improved load balancing techniques are disclosed. For example, in one illustrative aspect of the invention, a method of satisfying requests in a system comprised of a plurality of servers comprises the following steps. At least one load balancer is provided for routing requests to the plurality of servers. At the at least one load balancer, a request sent from a client is obtained. At the at least one load balancer, the request is examined. Costs of satisfying the request by at least two of the plurality of servers are estimated. The estimation is based on at least one of a number and a cost of at least one remote access for satisfying the request. The request is routed to a server of the plurality of servers with a low estimated cost of satisfying the request.
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Description

FIELD OF THE INVENTION

[0001] The present invention generally relates to information systems and, more particularly, to techniques for content-aware load balancing in such information systems. BACKGROUND OF THE INVENTION

[0002] In general, an information system is a data processing system that provides some form of response to a user upon a user's request. The Internet or World Wide Web (WWW or the “web”) is easily the most ubiquitous information system that exists today.

[0003] Scalable web sites associated with the Internet typically comprise one or more load balancers for routing requests to a plurality of servers. The techniques used for load balancing the requests can have a significant effect on performance of the overall system. If requests are routed in a content-aware fashion, then the load balancer is aware of the contents of a request and can make more intelligent routing decisions.

[0004] One of the drawbacks to content-aware routing compared with content-unaware routing...

Claims

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