A TCAM based routing lookup system

Authors:
Zhiwei Dai;Bin Liu
Affiliations:
Department of Computer Science and Technology, Tsinghua University, Beijing, China, 100084;Department of Computer Science and Technology, Tsinghua University, Beijing, China, 100084
Venue:
ICCC '02 Proceedings of the 15th international conference on Computer communication
Year:
2002

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Abstract

This paper describes a Ternary Content-Addressable Memory(TCAM) based routing lookup system(TRLS), which consists of a routing lookup coprocessor and a routing table management subsystem. A dynamic priority schedule scheme between routing lookup and routing update is proposed and a routing table management scheme particularly for TCAM is given to improve the system performance. This system can perform 100M lookups/second.