An Optical Multicast Node Architecture with Multi-Wavelength Conversion and Network Coding and Its Scheduling Respect to Minimal Conversion Degree

doi:10.13190/j.jbupt.2015.03.016

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2015, Vol. 38 ›› Issue (3): 99-102,116.doi: 10.13190/j.jbupt.2015.03.016

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An Optical Multicast Node Architecture with Multi-Wavelength Conversion and Network Coding and Its Scheduling Respect to Minimal Conversion Degree

LIU Huan-lin¹, HU Xiao-hui¹, CHEN Yong², ZHANG Sheng-feng¹

1. School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;
2. School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2014-07-28 Online:2015-06-28 Published:2015-06-28

Abstract

Abstract:

Increasing of multicast application makes the packet loss probability and the probability of packet collision increase in optical switching node. To improve it, a novel optical multicast switching node architecture integrating with the advantage of multi-wavelength conversion technology and network coding technology is designed. A group of feedback shared limited range of multi-wavelength converters and a group of output shared network encoders are configured in the optical multicast node architecture. With respect to the minimal wavelength conversion degree in optical multicast scheduling, an improved maximal weighted stable set is designed to optimize the wavelength assignment. Comparing with the existing optical multicast nodes and algorithms, the simulation results show that the proposed node architecture and algorithm largely reduce the packet loss probability with low node cost and low delay to improve the optical node performance.

Key words: optical multicast, node architecture, minimal conversion degree scheduling, network coding

CLC Number:

TN929.11

LIU Huan-lin, HU Xiao-hui, CHEN Yong, ZHANG Sheng-feng. An Optical Multicast Node Architecture with Multi-Wavelength Conversion and Network Coding and Its Scheduling Respect to Minimal Conversion Degree[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(3): 99-102,116.

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An Optical Multicast Node Architecture with Multi-Wavelength Conversion and Network Coding and Its Scheduling Respect to Minimal Conversion Degree

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