Research Article
Design considerations of a novel media streaming architecture for heterogeneous access environment
@INPROCEEDINGS{10.1145/1189186.1189190, author={Csaba A. Szab\^{o} and S\^{a}ndor Szab\^{o} and L\^{a}szl\^{o} Bokor}, title={Design considerations of a novel media streaming architecture for heterogeneous access environment}, proceedings={1st International ICST Workshop on Broadband Wireless Access for ubiquitous Networking}, publisher={ACM}, proceedings_a={BWAN}, year={2006}, month={9}, keywords={Heterogeneous environment media streaming IMS vertical handover management testbed NGN.}, doi={10.1145/1189186.1189190} }- Csaba A. Szabó
Sándor Szabó
László Bokor
Year: 2006
Design considerations of a novel media streaming architecture for heterogeneous access environment
BWAN
ACM
DOI: 10.1145/1189186.1189190
Abstract
The paper reports on intermediate results of an ongoing R&D project which aims at designing, implementing and evaluating a novel network architecture in order to provide streaming media services in a heterogeneous environment where the subscribers are roaming across different wired/wireless access networks including ADSL, WiFi, 2.5G and 3G cellular and also, in the near future, WiMAX. In such a system, seamless connectivity has to be maintained during all phases of roaming, the quality of the delivered media stream has to be adjusted to the changes of the network characteristics and to the capabilities of a wide variety of devices, and adaptive charging for the content has to be integrated too. An overview of our proposed network architecture is given, its key components such as the methods of media handling on the server and client sides, capability matching considerations, security and payment techniques are outlined, with special emphasis on our NGN-conform, SIP-based vertical handover mechanism.