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Design and Implementation of a Content-Aware Switch Using a Network Processor

9 years 3 months ago
Design and Implementation of a Content-Aware Switch Using a Network Processor
Cluster based server architectures have been widely used as a solution to overloading in web servers because of their cost effectiveness, scalability and reliability. A content aware switch can be used to examine the web requests and distribute them to the servers based on application level information. In this paper, we present the analysis, design and implementation of such a content aware switch based on an IXP2400 network processor (NP). We first analyze the mechanisms for implementing a content-aware switch and present the necessity for an NP-based solution. We then present various possibilities of workload allocation among different computation resources in an NP and discuss the design tradeoffs. Measurement results based on an IXP 2400 NP demonstrate that our NP-based switch can reduce the http processing latency by an average of 83.3% for a 1K byte web page, compared to a Linux-based switch. The amount of reduction increases with larger file sizes. It is also shown that the ...
Li Zhao, Yan Luo, Laxmi N. Bhuyan, Ravishankar R.
Added 24 Jun 2010
Updated 24 Jun 2010
Type Conference
Year 2005
Where HOTI
Authors Li Zhao, Yan Luo, Laxmi N. Bhuyan, Ravishankar R. Iyer
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