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ARTS: a distributed real-time kernel

ARTS: a distributed real-time kernel ARTS: A Distributed Real-Time Kernel Hldeyuki Tokuda and Clifford W. Mercer Computer Science Department Carnegie Mellon University Pittsburgh, Pennsylvania 15213 (412) 268-7672 H. Tokuda@k.gp. ca.cmu. edu Abstract ARTS is a distributed real-time operating system designed for a real-time systems testbed being developed at Camegle Mellon University. The objective of the testbed is to develop and vedty advanced real-time computing technologies for a distributed environment. The tastbed consists of a set of SUN3 workstations connected by a real-time network based on IEEE 802.5 Token Ring and Ethemet. The goal of the ARTS Kemel is not to produce simply a fast real-time executive, but rather to provide users with a predictable, analyzable, and reliable distributed real-time computing environment. In particular, we have developed a real-time object model which is incorporated with a time fence protocol. The time fence protocol is used at every Invocation in the object to detect the odgin of timing errors. We also developed an integrated time-driven scheduling model and its scheduler based on the notion of policy/mechanism separation. Since each scheduling policy is implemented as a kemel object, a user can easily add policies or change the system's scheduling policy. A real-time toolset was also developed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM SIGOPS Operating Systems Review Association for Computing Machinery

ARTS: a distributed real-time kernel

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Publisher
Association for Computing Machinery
Copyright
Copyright © 1989 by ACM Inc.
ISSN
0163-5980
DOI
10.1145/71021.71023
Publisher site
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Abstract

ARTS: A Distributed Real-Time Kernel Hldeyuki Tokuda and Clifford W. Mercer Computer Science Department Carnegie Mellon University Pittsburgh, Pennsylvania 15213 (412) 268-7672 H. Tokuda@k.gp. ca.cmu. edu Abstract ARTS is a distributed real-time operating system designed for a real-time systems testbed being developed at Camegle Mellon University. The objective of the testbed is to develop and vedty advanced real-time computing technologies for a distributed environment. The tastbed consists of a set of SUN3 workstations connected by a real-time network based on IEEE 802.5 Token Ring and Ethemet. The goal of the ARTS Kemel is not to produce simply a fast real-time executive, but rather to provide users with a predictable, analyzable, and reliable distributed real-time computing environment. In particular, we have developed a real-time object model which is incorporated with a time fence protocol. The time fence protocol is used at every Invocation in the object to detect the odgin of timing errors. We also developed an integrated time-driven scheduling model and its scheduler based on the notion of policy/mechanism separation. Since each scheduling policy is implemented as a kemel object, a user can easily add policies or change the system's scheduling policy. A real-time toolset was also developed

Journal

ACM SIGOPS Operating Systems Review – Association for Computing Machinery

Published: Jul 1, 1989

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