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Ultra-High Throughput Low-Power Packet Classification

Ultra-High Throughput Low-Power Packet Classification. Author: Alan Kennedy and Xiaojun Wang Accepted by IEEE Transactions on VLSI. Overview. Decision Tree based Packet Classification Based on HyperCuts. HyperCuts Review. Dimension to Cut

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Ultra-High Throughput Low-Power Packet Classification

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  1. Ultra-High Throughput Low-PowerPacket Classification Author: Alan Kennedy and Xiaojun Wang Accepted by IEEE Transactions on VLSI

  2. Overview • Decision Tree based Packet Classification • Based on HyperCuts

  3. HyperCuts Review • Dimension to Cut • The fields with more distinct number of range than mean • Number of Cut • Max cuts to node i ≤ spfac * sqrt (number of rules at i) • Actually Cutting • Combination with least maximum number of rule stored in a child • Heuristics • Node Merging • Rule Overlap • Pushing Common Rule Upward • Region Compaction

  4. Modification • Dimension to Cut • All fields are considered • Number of Cut • Larger the number of cut in root-node (seg. Table) • Optimization • Pushing Common Rule Upward (Too Complicate) • Modified Region Compaction (Next Page) • Rule Storage

  5. Region Compaction: HyperCuts

  6. Region Compaction: Modification • Necessary Information: • Number of Cut in each field • Number of Bit in each field

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