Hans van Staveren

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The Amoeba project is a research effort aimed at understanding how to connect multiple computers in a seamless way [16, 17, 26, 27, 31]. The basic idea is to provide the users with the illusion of a single powerful timesharing system, when, in fact, the system is implemented on a collection of machines, potentially distributed among several countries. This(More)
Most modern network protocols give adequate support for traditional applications such as file transfer and remote login. Distributed applications, however, have different requirements (e.g., efficient at-most-once remote procedure call even in the face of processor failures). Instead of using ad hoc protocols to meet each of the new requirements, we have(More)
Amoeba is the distributed system developed at the Free University (VU) and Centre for Mathematics and Computer Science (CWI), both in Amsterdam. Throughout the project's ten-year history, a major concern of the designers has been to combine the research themes of distributed systems, such as high availability , use of parallelism and scalability, with(More)
Many portable compilers generate an intermediate code that is subsequently translated into the target machine's assembly language. In this paper a stack-machine-based intermediate code suitable for algebraic languages (e.g., PASCAL, C, FORTRAN) and most byte-addressed mini-and microcomputers is described. A table-driven peephole optimizer that improves this(More)
Remote Procedure Call (RPC) is a widely used communication mechanism in local network based distributed operating systems. It is simple , fast, and straightforward to implement. However, when two or more distant distributed systems are connected, problems arise concerning the protocols, locating services, and other issues. To solve these problems, gateways(More)
Distributed operating systems have been in the experimental stage for a number of years now, but few have progressed to the point of actually being used in a production environment. It is our belief that the reason lies primarily with the performance of these systems---they tend to be fairly slow compared to traditional single computer systems. The Amoeba(More)
Amoeba is a capability-based distributed operating system designed for high performance interactions between clients and servers using the well-known RPC model. The paper starts out by describing the architecture of the Amoeba system, which is typified by specialized components such as workstations, several services, a processor pool, and gateways that(More)
In addition to his work on portable compilers, Andrew S. Tanenbaum is interested in computer networks and distributed operating systems. He is the author of two widely-used textbooks, Structured Computer Organization and Computer Networks. Hans van Staveren is warking on table-driven code generation and real-time operating systems. Ed Keizer is currently(More)
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