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Design and implementation of high-speed BCP processor for OBS core node based on FPGA

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4 Author(s)
Tairan Zhang ; State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Shanghai Jiao Tong Univ., Shanghai, China ; Xinwan Li ; Guiling Wu ; Jianping Chen

The burst control packet (BCP) process time in the OBS core node is very important for the OBS networks. Although several OBS testbeds have been reported, the BCP process time in core node is still not fast enough. In this article, a new high-speed OBS core node BCP processor based on FPGA is proposed. In the processor, a new valid wavelength scheduling algorithm is created. Not only does it have high bandwidth utilization in scheduling valid wavelength, but also the scheduling time is less. The performance is that a BCP just needs only 180ns for processing when system clock is 200MHz, about 50ns used to schedule valid wavelength and 130ns for other issues in core node.

Published in:

Wireless and Optical Communications Conference (WOCC), 2010 19th Annual

Date of Conference:

14-15 May 2010