Title | Small World VoIP |
Publication Type | Book Chapter |
Year of Publication | 2010 |
Authors | Yang, X, Stavrou, A, Dantu, R, Wijesekera, D |
Editor | Gris, M, Yang, G |
Book Title | Mobile Computing, Applications, and Services: Second International ICST Conference, MobiCASE 2010, Santa Clara, CA, USA, October 25-28, 2010, Revised Selected Papers |
Pagination | 137-155 |
Publisher | Springer Berlin Heidelberg |
City | Berlin, Heidelberg |
ISBN Number | 978-3-642-29336-8 |
Keywords | closeness, electing, mobility, optimize, Peer-to-peer, popular, small world, VoIP |
Abstract |
We present the analysis and design of a Small World VoIP system (SW-VoIP) which is geared towards customers that are communicating with their Small World of social contacts. We use the term Small World to refer to the Peer-to-Peer (P2P) network of a client and his contacts both incoming and outbound. We reconstruct the small world of a user by collecting calling patterns over a configurable period of time. We enable user mobility by using a stepwise social identity to an IP address binding propagation model. We propose an efficient algorithm to locate users by electing popular users and leveraging the users closeness. We also introduce a self-stabilized load balancing mechanism to optimize the system performance under heavy network traffic. We evaluate our SW-VoIP system performance by simulating the user's lookup process using real-world telephone logs. Our experimental results show that our SW-VoIP system offers a better performance in optimizing the required routing path and reducing the average lookup delay when compared to traditional, non small-world P2P VoIP systems. |
URL | http://dx.doi.org/10.1007/978-3-642-29336-8_8 |
DOI | 10.1007/978-3-642-29336-8_8 |