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Title: Operating System Support for Mobile Agents
Authors: Johansen, Dag
Van Renesse, Robbert
Schneider, Fred B.
Keywords: computer science
technical report
Issue Date: Dec-1994
Publisher: Cornell University
Abstract: An "agent" is a process that may migrate through a computer network in order to satisfy requests made by its clients. Agents implement a computational metaphor that is analogous to how most people conduct business in their daily lives: visit a place, use a service (perhaps after some negotiation), and then move on. Thus, for the computer illiterate, agents are an attractive way to describe network-wide computations. Agents are also useful abstractions for programmers who must implement distributed applications. This is because in the agent metaphor, the processor or "place" the computation is performed is not hidden from the programmer, but the communications channels are. Most current research on agents has focused on language design and application issues. The TACOMA project (Tromso And COrnell Moving Agents) has, instead, focused on operating system support for agents and how agents can be used to solve problems traditionally addressed by operating systems. We have implemented prototype systems to support agents using UNIX and using Tcl/Tk on top of Horus. This paper outlines insights and questions based on that experience. We discuss abstractions needed by an operating system to support agents, and discuss some problems that arise in connection with electronic commerce involving agents.
Appears in Collections:Computer Science Technical Reports

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