International Journal of Computer Theory and Engineering (IJCTE)
The Next Generation Network (NGN) deployment is in its infancy. With great technological advancement in internetworking infrastructure, NGN faces many challenges in the form of heterogeneity in networking and user expectations such as higher bandwidth, seamless mobility, internetworking protocols, multicast addressing (or multicasting), security and a guaranteed Quality of Service (QoS). This paper investigates the major challenges being faced during the transition of current internetwork into the future generation network i.e. NGN.