In distributed operations in an infrastructure less environment,
often wireless ad hoc networks are dynamically deployed as needed to accomplish
a mission. The nodes in such a network could be a set of sensors. PDAs and other
wireless devices interacting in an ad hoc fashion moving in a restricted region.
Such wireless networks/devices are resource constraints, heterogeneous and often
nodes have to perform varying computing tasks which could be allocated dynamically.
Applications in such networks are expected to be self-governing to perform multiple
functions satisfying prioritized QoS requirements in conjunction with changing network
conditions. Such networks may also need to switch to a different application or
change the application if mission or requirement changes. Under these conditions,
some of the important research themes are self-healing applications (under changing
conditions, unreliable bandwidth, connectivity, varying devices, intermittent communication),
content and computational aware collaborative computing (what information, who could
deliver and where it is needed), QoS (Quality of Service) enabled prioritize dissemination
of data and self-describing collaborative services which may have to push information
without subscribing in case of emergency.
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