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Tomahawk has four switch cores while Spectrum has one. Each core manages its own packet buffer pool, so Broadcom can marshal at most 4 MBytes toward a big flow. Spectrum can dedicate the entire dynamic buffer pool to a single hot flow. Tomahawk presumably uses a 4-core design to improve lookups per second in quest of non-blocking performance. Mellanox claims non-blocking performance without a multi-core designуже читал)
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