Next Generation Network (NGN) services is a
phenomena innovation that brought to maturity the
market for high speed Internet and general
integration of communication services. This has led
to affordable services that offer end-users
considerable savings in their expenditure for such
services. The demand for these applications and
services shows the failings of the currently used
network technologies. NGN are internet
technologies-based, with respect to Internet Protocol
(IP) and Multi-Protocol Label Switching (MPLS).
This technology had made service providers to have
been under increasing pressure to deliver various
services to their customers with a great deal of high
speed, scalability, Quality of Service (QoS), Traffic
engineering, and at low cost. This paper by
computer modelling and simulations compares the
routing technologies (i.e., IP, MPLS and ATM) in a
converged IP network in terms of their routing
capabilities based on different metrics.
Keywords: NGN, IP, MPLS, ATM, VPN, Routing
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