SOSP '01 Proceedings of the eighteenth ACM symposium on Operating systems principles
OverQos: an overlay based architecture for enhancing internet Qos
NSDI'04 Proceedings of the 1st conference on Symposium on Networked Systems Design and Implementation - Volume 1
Delay-based early congestion detection and adaptation in TCP: impact on web performance
Computer Communications
QRON: QoS-aware routing in overlay networks
IEEE Journal on Selected Areas in Communications
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Predictable Service Overlay Networks (PSON) improve the predictability of Internet communication by providing an estimate of the upper bound on message latency for each path of the overlay. The upper bound serves as an assurance of synchrony and enables applications to order events or make inferences based on non-receipt of a message. For improved performance, PSON also employs overlay routing and overlay configuration. Messages are routed either through the direct overlay path or via a one-hop overlay path such that the selected path is stable and promotes synchrony, while the overlay configuration mechanisms are utilized in order to select nodes that promote predictable communication. The expected impact of PSON is that by utilizing intelligent techniques such as upper bound estimation, routing and configuration, it can harness the unexpected and unreliable Internet substrate to provide a predictable communication overlay for applications.