NDLI: A distributed asynchronous execution semantics for programming the middleware machine

Content Provider	IEEE Xplore Digital Library
Author	Berry, A. Kaplan, S.
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Sci. & Electr. Eng., Queensland Univ., Australia (Berry, A.)
Abstract	Distributed software is traditionally built by connecting a set of software components using a communications abstraction. The interaction semantics provided by the abstraction is predominantly static: any programming of behavior occurs in the components or in local wrappers around those components. While autonomous behavior can be programmed over these abstractions, there is increasing awareness that static interaction models are not sufficient to capture the semantic diversity found in dynamic, evolving distributed systems. This paper presents an asynchronous, distributed and executable semantic model suitable for implementing programmable connector objects. Programs described using the semantic model can be jointly executed by a set of autonomous, distributed participants with no explicit synchronization of execution state. By removing the requirement for explicit synchronization, participants can execute independently with no requirement for centralized mediation, and the asynchrony of the model implicitly allows for potentially high latencies in distributed environments like the Internet. This combination of properties makes the model ideal for e-commerce applications.
Sponsorship	IEEE Comput. Soc.
Starting Page	187
Ending Page	195
File Size	872377
Page Count	9
File Format	PDF
ISBN	0769510655
DOI	10.1109/ISADS.2001.917413
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-03-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Middleware Connectors Mediation Delay Application software Computer science Internet Message passing Software architecture Automation
Content Type	Text
Resource Type	Article

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