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WWW '03 Proceedings of the 12th international conference on World Wide Web
Bullet: high bandwidth data dissemination using an overlay mesh
SOSP '03 Proceedings of the nineteenth ACM symposium on Operating systems principles
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
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ATEC '05 Proceedings of the annual conference on USENIX Annual Technical Conference
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IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Characterization and measurement of TCP traversal through NATs and firewalls
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
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IPTPS'09 Proceedings of the 8th international conference on Peer-to-peer systems
An adversarial evaluation of network signaling and control mechanisms
ICISC'10 Proceedings of the 13th international conference on Information security and cryptology
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We describe RapidUpdate, a peer-assisted system tailored to the specific needs of distributing security content. Its unique features include being able to distribute small files while still offloading a vast majority of the distribution bandwidth, using central planning in order to maximize efficiency and meet distribution deadlines, and allowing peers to participate fully in the system even if behind a firewall or NAT device. We first describe the protocol and server scheduling algorithms, then utilize a full implementation of the RapidUpdate client and topology server to show the system meets its goals. As security software vendors face the burden of rapidly increasing content distribution load, we believe that this peerassisted system has the potential to lower cost while increasing quality of service.