FastUp: Fast TCAM Update for SDN Switches in Datacenter Networks

Ying Wan,Haoyu Song,Hao Che,Yang Xu,Yi Wang,Chuwen Zhang,Zhijun Wang,Tian Pan,Hao Li,Hong Jiang,Chengchen Hu,Bin Liu

2021 IEEE 41st International Conference on Distributed Computing Systems (ICDCS)（2021）

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摘要

TCAM is widely used for flow table lookup in Software-Defined Networking (SDN) switches for datacenter and enterprise networks. While its lookup throughput is unparalleled, TCAM updating, particularly for new rule insertions, can impair the overall system performance. A rule insertion entails two steps: 1) Computing the rule moving operations; and 2) Interrupting the TCAM lookups to apply the oper...

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关键词

Costs,System performance,Heuristic algorithms,Performance gain,Throughput,Dynamic programming,Complexity theory

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