The hierarchical multicast routing architecture in intelligent optical networks is investigated in this paper, the two
methods of inter-domain information aggregation are given, and two hierarchical multicast routing algorithms are
proposed. Their impacts on network performance in terms of blocking probability are evaluated by the simulations in
different network models.
A service provisioning model in optical grid for distributed computing is proposed, in which grid application resource
and optical network resource are regarded as peer entities, and they are abstracted and encapsulated to provide the
controllable and sharable service. The resource scheduling in optical grid is investigated, and a minimum cost algorithm
to co-schedule the resources is presented. The algorithm co-schedules grid application resource and optical network
resource to minimize the cost to perform the job. The simulation results show that the minimum cost algorithm can co-optimize
usages of grid application resource and optical network resource and decrease the blocking probability of grid
system.
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