Abstract:Data structure lookups are among the most expensive operations on routers' critical path in terms of latency and power. Therefore, efficient lookup engines are crucial. Several approaches have been proposed, based on either custom ASICs, general-purpose processors, or specialized engines. ASICs enable high performance but have long design cycle and scarce flexibility, while general-purpose processors present the opposite trade-off. Specialized programmable engines achieve some of the benefits of both approache… Show more
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