NGN Shortcomings.

Trying to analysis why some standards did not fulfill all the operators and vendors expectations constitutes the objective of this chapter. NGN was supposed to be the network ecosystem for fixed access on which operators will develop services, while IMS was expected as the universal one for mobile and fixed access. Both NGN and IMS have benefit of a huge manpower investment in standardization bodies. A clear understanding of what happened can greatly contribute to better foresee the architecture for the next generations networks ...