Domain-Driven Reconfiguration in Collaborative Virtual Environments
Domain-Driven Reconfiguration in Collaborative Virtual Environments
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Date
1998-10-15
Authors
Welch, Donald J.
Purtilo, James M.
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Abstract
When virtual environments (VE) collaborate to create a shared virtual
world, events occur that can have catastrophic effects on that virtual
world. These events can be system events, such as the loss of a host
or a network link to that host. They can also be events that happen
only in the virtual world, for example, a virtual activity that
migrates, bringing increased activity to a different VE. To maintain
acceptable or realistic behavior can require the restructuring of the
collaborative virtual environment (CVE) during execution. The
restructuring must take place in accordance with a set of rules
mandated by the domain and specific application. The reconfiguration
must occur quickly, to maintain realism for the users. Automatic
restructuring brings the added benefit of fewer support staff. We
call the automatic restructuring of a distributed application with
respect to these rules Domain-Driven Reconfiguration and we have
developed a software engineering environment to support its inclusion
in CVEs.
(Also cross-referenced as UMIACS-TR-97-32)