International Journal of Information Technology and Computer Science(IJITCS)
ISSN: 2074-9007 (Print), ISSN: 2074-9015 (Online)
Published By: MECS Press
IJITCS Vol.4, No.9, Aug. 2012
Optical Many Casting Using QoS Depend Layer Aware Mechanism
Full Text (PDF, 1406KB), PP.65-72
Many distributed applications require a group of destinations to be coordinated to a single source. Multicasting is a communication paradigm to implement these distributed applications. In multicasting, at least one of the member in the group cannot satisfy the service requirement of the application, the multicast request said to be blocked. On the contrary in manycasting, destinations can join or leave the group, depending upon whether it satisfies the service requirement or not. Manycasting is performed over optical burst-switched (OBS) networks based on multiple qualities of service (QoS) constraints. The multiple constraints can be in the form of physical layer impairments, transmission delay, and reliability of the link. Destinations qualify only if they satisfy the Qos constraints. We develop a simple yet efficient routing algorithm which is based on the classic shortest path algorithm. The proposed layer aware FEC (L-FEC) generates repair symbols so that protection of less important dependency layers can be used with protection of more important layers for combined error correction.
Cite This Paper
R.C. Arun Chander, P.Karunakaran, S.Venkatraman, I.Hameem Shanavas, "Optical Manycasting Using Qos Depend Layer Aware Mechanism", International Journal of Information Technology and Computer Science(IJITCS), vol.4, no.9, pp.65-72, 2012. DOI: 10.5815/ijitcs.2012.09.09
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