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Probabilistic Approach for Blocking Probability in Optical Networks

An optical network is a communication network in which information is transmitted as optical signals. In network data traverse through different routes, so deciding best route becomes an important issue in optical network. To select best route in the network various algorithms proposed by researchers. Blocking probability, routing etc are the various parameters related to these algorithms. For calculating the results for these parameters Erlang B formula was used. This paper presents a proposal of mathematical model to reduce the blocking probability in the network. The mathematical model is modification of Erlang’s B formula. MATLAB software is used for simulation. Results show that, with increase in the value of load, blocking probability increases but negligibly small. The results have proved that this model is better than the conventional techniques. General Terms Blocking Probability, Optical Network et. al.