28 January 2006 Optical resilient packet ring (O-RPR) based on all-optical buffering techniques
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Proceedings Volume 6025, ICO20: Optical Communication; 602516 (2006) https://doi.org/10.1117/12.667052
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Abstract
This paper reports the progress of the 863 high-technology project of China "Optical Resilient Packet Ring (O-RPR) Based on All-optical Buffering Techniques". In this ring network, for the packet through an intermediate node the conversion of O/E/O is not needed in order to overcome the bottleneck of O/E/O. In all-optical node a Dual Loop Optical Buffer (DLOB) is used to revolve the collision between the packet, which pass through the node, and add packet from local user to ring. The principle of DLOB is introduced. The bit-rate of head of optical frame is lower than the bit-rate of payload in a packet, in order to increase the efficiency of transmission link. This paper will introduce the network topology, layers and the structure of optical node. It includes an optical splitter, optical delay line as input buffer, a SOA as optical switch, which switch the packet dropping down form the ring or pass through the node, a DLOB and an electric buffer. An ARM is used for regulation of different buffers. The experiment results of a demonstrate network including 3 nodes are given.
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Chongqing Wu, Chongqing Wu, Xingzhi Sheng, Xingzhi Sheng, Songnian Fu, Songnian Fu, Bin Wei, Bin Wei, Yajie Li, Yajie Li, Aiming Liu, Aiming Liu, } "Optical resilient packet ring (O-RPR) based on all-optical buffering techniques", Proc. SPIE 6025, ICO20: Optical Communication, 602516 (28 January 2006); doi: 10.1117/12.667052; https://doi.org/10.1117/12.667052
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