Cache-Friendly IPv6 LPM with AVX-512
This article presents a new IPv6 longest prefix match (LPM) algorithm that leverages AVX-512 instructions and a linearized B+-tree data structure for improved cache performance and throughput.
Why it matters
This research advances the state-of-the-art in IPv6 longest prefix match algorithms, which is a critical component of modern networking infrastructure.
Key Points
- 1Developed a cache-friendly IPv6 LPM algorithm using AVX-512 SIMD instructions
- 2Implemented a linearized B+-tree data structure for efficient memory access
- 3Benchmarked the algorithm against real-world BGP routing tables
- 4Achieved significant performance improvements over existing LPM solutions
Details
The article describes a novel IPv6 longest prefix match (LPM) algorithm that combines AVX-512 SIMD instructions and a linearized B+-tree data structure to optimize cache performance and throughput. The key innovation is the use of AVX-512 to parallelize LPM lookups and the linearized B+-tree to improve memory access patterns. The authors benchmarked their algorithm against real-world BGP routing tables and demonstrated significant performance gains over existing LPM solutions. This work has important implications for high-speed networking and routing applications that require efficient IP address lookup capabilities.
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