Design of location-based hierarchical overlay network supporting P2PSIP conferencing service

Authors:
Hui-Kai Su;Chien-Min Wu;Wang-Hsai Yang
Affiliations:
Department of Electrical Engineering, National Formosa University, Yunlin, Taiwan, R.O.C.;Dept. of Computer Science and Information Engineering, Nan-Hua University, Chia-Yi, Taiwan, R.O.C.;Dept. of Information Networking Technology, Hsiuping Institute of Technology, Dali City, Taichung, Taiwan, R.O.C.
Venue:
ATC'10 Proceedings of the 7th international conference on Autonomic and trusted computing
Year:
2010

Citing 2
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Abstract

Most VoIP (Voice over IP) conferencing services are based on centralized architecture. Consequently, the issues of single-point failure and loading aggregation are incurred. Therefore, if the concept of P2P (Peer-to-Peer) resource sharing can be used on conferencing services, the system loading will be distributed and the system fault torrent will be improved. However, in a general DHT (Distributed Hash Table) P2P network, e.g. Chord, the geographical location of IP address and the relative position of P2P logical ID are mismatched. Long resource discovery time is needed for P2P real-time applications, especially for P2PSIP conferencing service. Thus, we proposed a hierarchical overlay network based on regional location of IP address. The hierarchical P2PSIP conferencing network is constructed by several regional overlay networks. Additionally, a hierarchical re-source-discovery mechanism was design in our paper. Finally, the system performance was simulated that can reduce resource-discovery time and total call-setup time for P2P conferencing services.