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Hardwired logic and multithread design in network

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4 Author(s)
Li, XuDong ; Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China ; Xu, Yang ; Liu, Bin ; Wang, Xiaojun

High-performance network processors are expected to play an important role in future high-speed routers. This paper focuses on two representative techniques needed for high-performance network processors: hardwired logic design and multithread design. Using hardwired logic, this paper compares a single-thread design with a multithread design, and proposes general models and principles to analyze the clock frequency and the resource cost for these environments. Then, two IP header processing schemes, one in single-thread mode and the other in double-thread mode, are developed using these principles and the implementation results verified the theoretical calculation.

Published in:

Tsinghua Science and Technology  (Volume:9 ,  Issue: 2 )