Users of Voice over IP (VoIP) applications are sensitive to the quality of an ongoing call. We hypothesize that the quality of a VoIP session can be estimated from the first few seconds of the session and this can be generalized to other VoIP calls. Our approach is an in-band probing mechanism and does not require any external monitoring schemes or network support. We show by post processing Vo...

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This paper describes the application of Grounded Theory to an exploration of multimedia design practices. It discusses the opinions of multimedia developers, as elicited from interviews, on the selected design tasks and the processes employed in their completion. Our findings, which emerge from the analysis of the collected data, indicate that the currently available multimedia models do not ad...

Status of This Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Abstract This document defines terminology and enumerates requirements for the context resolution of emergency calls placed by the public using voice-over-IP (VoIP) and general Internet multimedia systems, where Internet pro...

We consider the problem of designing distributed controllers to guarantee dissipativity a networked system comprised dynamically coupled subsystems. require that control synthesis is carried out locally at subsystem-level, without explicit knowledge dynamics other subsystems in network. solve this two steps. First, we provide subsystem-level analysis conditions whose feasibility sufficient syst...

Memory subsystems of contemporary processor architectures are typically equipped with a multitude of caches, which make the behavior of the memory subsystem difficult to anticipate especially when the subsystem is shared by multiple running applications. The paper presents early experimental results that dispel some preconceived notions about the memory subsystem, with applications in system de...