T-Cache: Efficient Policy-Based Forwarding Using Small TCAM

Ying Wan,Haoyu Song,Yang Xu,Yilun Wang,Tian Pan,Chuwen Zhang,Yi Wang,Bin Liu

IEEE/ACM Transactions on Networking（2021）

Cited 8|Views20

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Abstract

Ternary Content Addressable Memory (TCAM) is widely used by modern routers and switches to support policy-based forwarding due to its incomparable lookup speed and flexible matching patterns. However, the limited TCAM capacity does not scale with the ever-increasing rule table size due to the high hardware cost and high power consumption. At present, using TCAM just as a rule cache is an appealing...

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Key words

Pattern matching,Hardware,Optimization,IP networks,IEEE transactions,Computer science,Throughput

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