Improving Performance of Digest Caches in Network Processors

Provided by: SERC
Topic: Data Centers
Format: PDF
Digest caches have been proposed as an effective method to speed up packet classification in network processors. In this paper, the authors show that the presence of a large number of small flows and a few large flows in the Internet has an adverse impact on the performance of these digest caches. In the Internet, a few large flows transfer a majority of the packets whereas the contribution of several small flows to the total number of packets transferred is small.

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