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Cloud-based applications that depend on time-critical data processing or network throughput require the capability of reconfiguring their infrastructure on demand as and when conditions change. Although the ability to apply quality of service constraints ...

In a publish-subscribe environment like the Air Force Joint Battlespace Infosphere (JBI), information/data has to be efficiently and reliably transmitted between servers and clients. However, due to various reasons such as unexpected network traffic,...

The priority inversion problem arises when prioritized processes concurrently attempt to enter critical sections. This phenomenon results in extremely pessimistic estimations of worst case response times for real-time processes. Various protocols against ...

Resource allocation for high-performance real-time applications is challenging due to the applications' data-dependent nature, dynamic changes in their external environment, and limited resource availability in their target embedded system platforms. ...

Roll-forward checkpointing schemes are developed in order to avoid rollback in the presence of independent faults and to increase the possibility that a task completes within a tight deadline. However, despite of the adoption of roll-forward recovery, ...

Abstract: The imprecise-computation technique was proposed as a way to handle transient overloads and enhance the dependability of real-time systems. In a system based on this technique, each time-critical task produces an approximate but usable result ...

Abstract: Time-critical applications require known worst-case execution times to ensure that system timing constraints are met. Traditional cache memory arrangements, however significantly impede the determination of tight upper bounds on these worst-...