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The Scientific World Journal
Volume 2014 (2014), Article ID 581052, 9 pages
Research Article

WDM Network and Multicasting Protocol Strategies

1Computer Engineering Department, Istanbul University, 34010 Istanbul, Turkey
2Computer Engineering Department, Istanbul Commerce University, 34840 Istanbul, Turkey

Received 23 December 2013; Accepted 17 February 2014; Published 12 March 2014

Academic Editors: X. Yang, Z. Yu, and W. Zhang

Copyright © 2014 Pinar Kirci and Abdul Halim Zaim. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Optical technology gains extensive attention and ever increasing improvement because of the huge amount of network traffic caused by the growing number of internet users and their rising demands. However, with wavelength division multiplexing (WDM), it is easier to take the advantage of optical networks and optical burst switching (OBS) and to construct WDM networks with low delay rates and better data transparency these technologies are the best choices. Furthermore, multicasting in WDM is an urgent solution for bandwidth-intensive applications. In the paper, a new multicasting protocol with OBS is proposed. The protocol depends on a leaf initiated structure. The network is composed of source, ingress switches, intermediate switches, edge switches, and client nodes. The performance of the protocol is examined with Just Enough Time (JET) and Just In Time (JIT) reservation protocols. Also, the paper involves most of the recent advances about WDM multicasting in optical networks. WDM multicasting in optical networks is given as three common subtitles: Broadcast and-select networks, wavelength-routed networks, and OBS networks. Also, in the paper, multicast routing protocols are briefly summarized and optical burst switched WDM networks are investigated with the proposed multicast schemes.