BIB-VERSION:: CS-TR-v2.0
ID:: ncstrl.dartmouthcs//TR2004-495
ENTRY:: March 15, 2004
ORGANIZATION:: Dartmouth College, Computer Science
TITLE:: Dependency management in distributed settings
TYPE:: Technical Report (paper)
REVISION:: 1
AUTHOR:: Chen, Guanling
AUTHOR:: Kotz, David
DATE:: March 2004
RETRIEVAL:: For a paper copy, email <reports@cs.dartmouth.edu>
RETRIEVAL:: For a paper copy, write to
       Technical Report Librarian
       Department of Computer Science
       Dartmouth College
       6211 Sudikoff Laboratory
       Hanover, NH 03755-3510
       USA
RETRIEVAL:: PDF at http://www.cs.dartmouth.edu/reports/TR2004-495.pdf
ABSTRACT:: 
Ubiquitous-computing environments are heterogeneous and volatile in
nature.  Systems that support ubicomp applications must be
self-managed, to reduce human intervention.  In this paper, we present
a general service that helps distributed software components to manage
their dependencies.  Our service proactively monitors the liveness of
components and recovers them according to supplied policies.  Our
service also tracks the state of components, on behalf of their
dependents, and may automatically select components for the dependent
to use based on evaluations of customized functions.  We believe that
our approach is flexible and abstracts away many of the complexities
encountered in ubicomp environments.  In particular, we show how we
applied the service to manage dependencies of context-fusion operators
and present some experimental results.
NOTE:: 
A short 2-page poster abstract of this work appears in the 
International Conference on Autonomic Computing (ICAC-04),
May 2004.
END:: ncstrl.dartmouthcs//TR2004-495