Shortest Path problem is one of the basic and important for network optimization problem and it is used for many real applications. In this paper combined algorithm is used for multipath shortest path problem. The proposed method is divided into two steps: (1) we use a Particle Swarm Optimization technique (PSO) to propose an algorithm for finding the
expected shortest path. (2) Artificial bee colony (ABC) algorithm is used to find out the larger bandwidth and lesser traffic in the respective selective shortest path from the overall network. Compared to existing works, experimental results show improvement in throughput, average delay, packet delivery ratio, packet loss, throughput and overhead.

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