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Due to provision of connectionless and tremendous transmission service, Optical Burst Switching Network (OBSN) becomes the most challenging task for enabling a reliable as well as congestion free communication. So, different communication protocols are developed in the traditional works, but it has the following drawbacks: inefficient, reduced throughput, increased delay, and bandwidth consumption. To solve these problems, this new protocol, namely, Multiple Path Transmission Protocol (MPTP) is developed in this work. It integrates the functionalities of multiple-path routing and Transmission Control Protocol (TCP) Vegas. Here, the wavelength reservation is mainly performed for channel reservation during communication. Moreover, the proposed MPTP efficiently avoids the congestion and data retransmission by selecting multiple paths. The conversion path is identified for detecting the node failures, which increases the throughput of the network. During simulation, three different architectures such as National Science Foundation Network (NSFNET), Capacity Optical Transmission Networks (COST239), and Advanced Research Projects Agency Network (ARPANET) are considered for evaluating the performance of the MPTP technique. Furthermore, the superiority of the proposed protocol is analyzed and compared with the existing protocols based on the measures of delay, burst time, In-band and out-of-band light paths.

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