Making Paths Explicit in the Scout Operating System

Authors:
David Mosberger;Larry L. Peterson
Affiliations:
-;-
Venue:
Making Paths Explicit in the Scout Operating System
Year:
1996

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Abstract

This paper makes a case for paths as an explicit abstraction in operating system design. Paths provide a unifying infrastructure for several OS mechanisms that have been introduced in the last several years, including fbufs, integrated layer processing, packet classifiers, code specialization, and migrating threads. This paper articulates the potential advantages of a path-based OS structure, describes the specific path architecture implemented in the Scout OS, and demonstrates the advantages in a particular application domain---receiving, decoding, and displaying MPEG-compressed video.