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High-bandwidth packet switching on the raw general-purpose architecture

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2 Author(s)
Chuvpilo, G.A. ; Lab. for Comput. Sci., Massachusetts Inst. of Technol., Cambridge, MA ; Amarasinghe, S.

The switching of packets and other performance-critical tasks in modem Internet routers are done done using application specific integrated circuits (ASICs) or custom-designed hardware, while existing general-purpose architectures have failed to give a useful interface to sufficient bandwidth to support high-bandwidth routing. By using an architecture that is more general-purpose routers can gain from economies of scale and increased flexibility compared to special-purpose hardware. We propose the use of the raw general-purpose processor as both a network processor and switch fabric for multigigabit routing. We show that the raw processor, through its tiled architecture and software-exposed onchip networking, has enough internal and external bandwidth to deal with multigigabit routing

Published in:

Parallel Processing, 2003. Proceedings. 2003 International Conference on

Date of Conference:

9-9 Oct. 2003