P2P '01 Proceedings of the First International Conference on Peer-to-Peer Computing
Using PlanetLab for network research: myths, realities, and best practices
ACM SIGOPS Operating Systems Review
ASAP: an AS-Aware Peer-Relay Protocol for High Quality VoIP
ICDCS '06 Proceedings of the 26th IEEE International Conference on Distributed Computing Systems
Improving the reliability of internet paths with one-hop source routing
OSDI'04 Proceedings of the 6th conference on Symposium on Opearting Systems Design & Implementation - Volume 6
iPlane: an information plane for distributed services
OSDI '06 Proceedings of the 7th USENIX Symposium on Operating Systems Design and Implementation - Volume 7
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As VoIP applications become increasingly popular, voice quality remains the user's biggest concern. Peer-to-Peer network can potentially obtain qualified relay nodes (QRNs) to make path switching when the QoS of a default path degrades. Locating quality relay nodes rapidly and inexpensively however is a very challenging task. In this paper, we design and develop a sophisticated system to take snapshots of network status among PlanetLab nodes. We collect the 1-hop QRNs of all low quality sessions (LQSs) in a network snapshot. Based on collected data, we evaluate the state-of-the-art relay node locating approaches (e.g. EDR, EBP and ASAP).