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Shared window systems enable existing applications to be shared in the context of a real-time teleconference. The development and successful use of several such systems, albeit within limited user communities, testifies to the merits of the basic idea. However, experience to date has suggested a number of areas that have not been adequately addressed,(More)
A b s t r a c t A remote execution facility allows a user of a workstation-based distributed system to offload programs onto idle workstations, thereby providing the user with access to computational resources beyond that provided by his personal workstation. In this paper, we describe the design and performance of the remote execution facility in the V(More)
tgs 17-try In ed. One of the most important functions of an intelligent workstation is to provide a state-of-the-art user interface to distributed resources. One aspect of such an interface is virtual terminal support for both local and remote applications with a range of requirements, including graphics. To ensure good response for remote applications, in(More)
Rochester's Intelligent Gateway provides its users with the facilities for communicating simultaneously with a large number of processes spread out among various computer systems. We have adopted the philosophy that the user should be able to manage any number of concurrent tasks or jobs, viewing their output on his display device as he desires. To achieve(More)
A major reason for the rarity of distributed applications, despite the proliferation of networks, is the sensitivity of their performance to various aspects of the network environment. Contrary to much popular opinion, we demonstrate that CPU speed remains the predominant factor. With respect to network issues, we focus on two approaches to performance(More)