Cluster-based scalable network services
Proceedings of the sixteenth ACM symposium on Operating systems principles
Introducing contextual objects in an adaptive framework for wide-area mobile computing
Proceedings of the 8th ACM SIGOPS European workshop on Support for composing distributed applications
Network Awareness for Mobile Agents on Ad Hoc Networks
AAMAS '04 Proceedings of the Third International Joint Conference on Autonomous Agents and Multiagent Systems - Volume 1
Location-aware scheduling with minimal infrastructure
ATEC '00 Proceedings of the annual conference on USENIX Annual Technical Conference
Design patterns in mobile architectures
ECS'10/ECCTD'10/ECCOM'10/ECCS'10 Proceedings of the European conference of systems, and European conference of circuits technology and devices, and European conference of communications, and European conference on Computer science
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In mobile computing, factors such as add-on hardware components and heterogeneous networks result in an environment of changing resource constraints. An application in such a constrained environment must react to these changes so that available resources are properly utilized. In this paper, we propose a framework to build environment aware applications. The architecture is based on an event delivery mechanism that decouples event detection from delivery, giving the flexibility and extensibility that is necessary in a mobile computing environment. Information associated with the event is delivered as part of the event notification, while delivery latency is reduced by clever thread scheduling. We demonstrate the utility of this framework by structuring an environment aware networking subsystem around a prototype implementation. The performance of this implementation is competitive with current event delivery mechanisms such as the Unix signal.