Smriti Agrawal

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This paper integrates energy management with fault tolerance for real time systems. A typical system composed of a processor (frequency dependent) and peripheral devices (frequency independent) when operates in harsh environmental conditions may collapse due to occurrence of transient faults or shortage of battery backup. The fault tolerance is achieved via(More)
This paper aims to provide a fault tolerant scheduling algorithm that have fault tolerance patterns for periodic task with arbitrary deadlines. The fault tolerance is achieved by checkpointing where number of checkpoint is decided on the bases of the lemmas proposed. These patterns provide minimum tolerance to all the releases and an improved tolerance to(More)
This paper aims to present a general scheduling algorithm that offers lesser energy consumption for battery powered dynamic real time system modeled with aperiodic tasks by utilizing the concept of dynamic voltage scaling. In this paper we show that greedy based (non lazy approach) are not suitable for limited source of energy constraint. Based on this(More)
In a system several processes may compete for a finite number of resources. A process request resources; and if the resources are not available at that time, it enters a wait state and may never execute. This paper aims to present a resource allocation algorithm that ensures that the requested resources are made available to the processes while incurring(More)
This paper presents multi budget bandwidth preserving server (MBBPS) to improve the quality of service in terms of better responsiveness of the aperiodic task by utilizing the concept of multi budget and multi priority of the server while ensure the feasibility of periodic task at the same time. Feasibility analysis is done at offline by assigning the(More)
In multiprocessor environment when processes content for system resources, Deadlocks may occur. Deadlock is highly undesirable as it degrades the system performance largely. This paper aims to present technique to facilitate the resource allocation decision. It also strives to reduce the time cost for making this decision. It presents a Total Need Based(More)
This paper aims to present a three phase scheduling algorithm that offers lesser energy consumption for weakly hard real time systems modeled with (í µíµží µíµží µíµží µíµž, í µíµœí µíµœí µíµœí µíµœ) constraint. The weakly hard real time system consists of a DVS processor (frequency dependent) and peripheral devices (frequency independent) components. The(More)
This paperpresents a LazyDVS scheduling algorithm that offers higher acceptance ratio (number of tasks able to meet their deadline is to number of tasks appearing) with equivalent orlesser energy consumption for battery powered dynamic real time system. It is modeled for aperiodic workload by utilizing the concept of late start and dynamic voltage scaling.(More)
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