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In wavelength-routed WDM optical networks requires regeneration for few light paths, when the strength of optical signal reduced and also security and privacy are essential before Optical Burst Switching (OBS) networks can become an everyday reality. Many-casting is a communication paradigm to implement the distributed applications. In many-casting, destinations can join or exit the group, depending on the service requirements imposed on them. This dynamic movement of the destinations in the group decreases blocking effect. Each application requires its own QoS threshold attributes like physical layer properties, delay as a result of transmission and reliability of the link.
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