| Publisher | Yale University Press | ||
|---|---|---|---|
| Format | 538.7KB PDF | Date added | 07 Feb 2007 |
| Topics | VoIP - IP Telephony, Network Design | ||
| Downloads | 97 | ||
It has been increasingly popular to build VoiceoverIP (VoIP) applications based on Peer-to-Peer (P2P) networks in the Internet. However, many such VoIP applications freeride the network bandwidth of Internet Service Providers (ISPs). Thus their success may come at a cost to ISPs, especially those on the edge of the Internet. This paper explains the VoIP quality of Skype, a popular P2Pbased VoIP application. Specifically, using largescale end-to-end measurements, it first conducts a systematic analysis of Skype supernode network. This paper investigates the impacts of the access capacity constraint and the AS policy constraint on the VoIP quality of Skype.
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