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The Internet Protocol Television (IPTV) service provides rich multimedia services over IP networks and is widely believed to be the next killer application over the Internet. It is generating a lot of interest, especially in potential service providers who are eager to develop successful business models that will ensure their survival in this emerging market. We believe that the success of an IPTV...
The access network has remained the bottleneck in efforts to deliver bandwidth-intensive new-generation applications and services to subscribers. In the wired access network, the gigabit Ethernet passive optical network (GEPON) is a promising technology for relieving this bottleneck, while its counterpart in the wireless access network is worldwide interoperability for microwave access (WiMAX). A...
P2P networks have become popular, and face the problem of peers who consume more than their fair share of the network's resources; so called free-riders. The solution to this problem primarily involves correctly identifying the free-riders, determining appropriate measures for discouraging and/or penalizing them; and possibly rewarding non free-riders for good behavior. In this paper therefore, we...
To reduce the cost and complexity of mobile subscriber devices, it is desirable that mobility be handled by network systems only. PMIPv6 relies on MIPv6 signaling and the reuse of the home agent functionality through a proxy mobility management agent in the network to transparently provide mobility services to mobile subscriber devices. Handover latency resulting from standard MIPv6 procedures remains...
The access network has remained the bottleneck in efforts to deliver bandwidth intensive new-generation applications and services to subscribers. In the wired access network, GEPON is a promising technology for relieving this bottleneck while GEPON's counterpart in wireless access networks, is WiMAX. A converged quadruplet-services (video, voice, data and mobility) enabled network, which takes full...
To reduce cost and complexity of mobile subscriber devices, it is desirable that mobility may be handled by network systems only. PMIPv6 relies on MIPv6 signaling and the reuse of the home agent functionality through a proxy mobility management agent in the network to transparently provide mobility services to mobile subscriber devices. Handover latency resulting from standard MIPv6 procedures remains...
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