Configuration-Level Programming of Distributed Applications Using
Implicit Invocation
Configuration-Level Programming of Distributed Applications Using
Implicit Invocation
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Date
1998-10-15
Authors
Chen, Chen
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Abstract
An event-based distributed application is a group of software components
interacting with each other by producing events that in turn trigger the
invocation of procedures. In this work, we are concerned with the
technology and methods for integrating an event-based application, whether
that application is being constructed from scratch or synthesized from
existing systems. Developing an event-based application is a complex task
for programmers, who must address several issues not found in traditional
systems and, currently, must do so without much assistance. These issues
include event declaration, structure, binding, and naming. Our objective
is to provide the same software engineering benefits to programmers of
event-based applications as are currently provided to programmers of
applications using traditional RPC or message-passing mechanisms.
In this work, we broaden the technology for integration to encompass
event-based programming. A method is described for separating event
interaction properties from the implementation of the application modules
so that system integration can be performed using only the abstractions.
Then based upon the abstract aggregate, all interface software needed to
validly implement the system can be generated automatically. A software
bus model has been enhanced to accommodate the models which drive
event-based distributed applications. In this way, designers may define
complex event-based interactions abstractly, thus making it easier to
integrate and experiment with event-based distributed applications.
(Also cross-referenced as UMIACS-TR-95-70)