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Multiparty voice-over-IP (MVolP) services allow a group of people to freely communicate with each other via the Internet, which have many important applications such as online gaming and teleconferencing. In this paper, we present a peer-to-peer MVolP system called peerTalk. Compared to traditional approaches such as server-based mixing, peerTalk achieves better scalability and failure resilience...
Emerging stream processing applications such as on-line data analysis often need to collect streaming information from geographically dispersed locations (e.g., different sensor networks). Different from conventional discrete data (e.g., messages), streaming data are time-varying and long-lived, which provides both new challenges and opportunities for optimizing wide-area continuous data dissemination...
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