Published Paper Details:

Optical Fiber communication is one of the vital communication technologies preferred by broadband service provider which is spread all over the world with worldwide data infrastructure. It is preferred not only for the less expenditure required for its installation and maintenance but also for its other advantages. The optical fibers are the main attraction because of high data rates and large bandwidth having the capacity to support large number of users at same time. This high end technology may also become interrupted due to sudden fiber cut or link failure which causes problem to the users. So, faster recovery of the network system with seamless connectivity is highly appreciable to any broadband service provider. In our research work, the restoration technique with seamless communication is proposed which uses BER evaluation of the alternative link and connects those links for data communication to overcome single link failure within network. This proposed method uses BER evaluation to find the least BER value of the adjacent path between two nodes in a given network and in case of failure occurred on any link of the working network, all the adjacent cycles between end nodes of the failed link are determined. Then Genetic Algorithm (GA) is applied to get the fittest path. Here the basic parameter to select the fittest path is BER performance of the link. This is served by marking adjacent cycles of the failed link having the least BER value and that adjacent cycle consists of the source and destination nodes of the failed link which finally help to bypass the failed link to stay connected all the time.