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Existing deadlock detectors are either not scalable or may report false positives when suggesting cycles as potential deadlocks. Additionally, they may not effectively trigger deadlocks and handle false positives. We propose a technique called ConLock+, which firstly analyzes each cycle and its corresponding execution to identify a set of scheduling constraints that are necessary conditions to trigger...
Wearable sensing technologies such as Wireless Body Area Network (WBAN) for hazardous environments moni- toring generate heterogeneous types of traffic with diverse quality of service requirements related to delay, reliability, priority awareness and throughput, for instance. In addition, several WBANs might need to collaborate together by relaying each other's packets, as generated by constraining...
The objective of the work is to propose an on-demand asynchronous check pointing technique for the fault recovery of a grid application in communicating process approach. The formal modelling of processes using LOTOS is done wherein the process features are declared in terms of possibilities of rollback and replicas permitted to accept the assigned tasks as decided by the scheduler. If any process...
Dependable real-time systems typically consist of tasks of multiple criticality levels and scheduling them in a fault tolerant manner is a challenging problem. Redundancy in the physical and temporal domains for achieving fault tolerance has been often dealt independently based on the types of errors one needs to tolerate. To our knowledge, there had been no work which tries to integrate fault tolerant...
As Grid networks grows, the complexity of resource management in Grid networks dramatically increases. To manage the Grid resources efficiently, policy based resource management system is suitable. However, the policy which made at a moment could not be appropriate to other time because the condition of the grid resources with time space changes. Thus, in this paper, we propose asynchronous policy-based...
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