NDLI: A software bus for thread objects

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A software bus for thread objects

Content Provider	NASA Technical Reports Server (NTRS)
Author	Li, Dehuai Callahan, John R.
Copyright Year	1995
Description	The authors have implemented a software bus for lightweight threads in an object-oriented programming environment that allows for rapid reconfiguration and reuse of thread objects in discrete-event simulation experiments. While previous research in object-oriented, parallel programming environments has focused on direct communication between threads, our lightweight software bus, called the MiniBus, provides a means to isolate threads from their contexts of execution by restricting communications between threads to message-passing via their local ports only. The software bus maintains a topology of connections between these ports. It routes, queues, and delivers messages according to this topology. This approach allows for rapid reconfiguration and reuse of thread objects in other systems without making changes to the specifications or source code. A layered approach that provides the needed transparency to developers is presented. Examples of using the MiniBus are given, and the value of bus architectures in building and conducting simulations of discrete-event systems is discussed.
File Size	826689
Page Count	20
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950020155
Archival Resource Key	ark:/13960/t2r54jx61
Language	English
Publisher Date	1995-01-01
Access Restriction	Open
Subject Keyword	Computer Programming And Software Threads Parallel Programming Computer Networks Computerized Simulation Software Development Tools Object-oriented Programming Programming Environments Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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