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In spite of the increasing deployment of IPTV services, various functionalities still need to be improved. One of the main challenges is a reduction in startup delays, especially in channel switchings, a problem which is quite relevant in P2P IPTV systems due to bandwidth limitations, as well as the employment of buffers and overlay structures. This paper presents and compares four novel schemes for...
IPTV promises to be within the spectrum of services offered in the future Internet. In cooperative IPTV, clients' resources are typically used to build a scalable system to distribute TV content. One of the major challenges of this approach is to reach the same quality of service of traditional television and commercial IPTV by employing only best effort network layer services. This paper proposes...
This paper describes an innovative system and its architecture to offer media scalable content delivery, increasing the robustness and resiliency, enriching the PQoS both within the network and/or at the end-user terminal, while protecting the content from unauthorized access over heterogeneous physical architecture and P2P logical overlay network topologies. The system is focused on different convergent...
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