Implementation of distributed trellis

Abstract

DOWL is an extension of the Trellis language supporting distribution. It allows programmers to transparently invoke operations on remote objects and to move objects between the nodes of a distributed system. A few primitives permit the programmer to take full advantage of distribution and to tune performance; most notably by restricting the mobility of objects and specifying which objects should move together. This paper describes the implementation of these extensions: the object format, communication system and the mechanism to invoke operations on remote objects. Performance figures are also presented.