Realize: resource management for soft real-time distributed systems

Abstract

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Value-based scheduling of distributed fault-tolerant real-time systems with soft and hard timing constraints

“…The quasi-static scheduling algorithm is iterating while improving the total utility value with new schedules (lines [3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20], at the same time, preserving deadlines of hard processes. At each iteration, we consider a selected schedule φ max , which is initially the Root schedule (line 2) or has been obtained on the previous iteration (lines [14][15][16][17][18].…”

“…Regarding soft real-time systems, the available approaches in [1,17,21] address fault tolerance only in the context of online scheduling. In [17] researchers have shown how faults can be tolerated with active replication while maximizing the quality level of the system.…”

“…In [17] researchers have shown how faults can be tolerated with active replication while maximizing the quality level of the system. An online greedy resource allocation algorithm has been proposed, which incrementally chooses waiting process replicas and allocate them to the least loaded processors.…”

Scheduling of fault-tolerant embedded systems with soft and hard timing constraints

“…Regarding soft real-time systems, researchers have shown how faults can be tolerated with active replication while maximizing the utility of the system [12]. In [1] faults are tolerated while maximizing the reward in the context of online scheduling and an imprecise computation model, where processes are composed of mandatory and optional parts.…”

Synthesis of Flexible Fault-Tolerant Schedules with Preemption for Mixed Soft and Hard Real-Time Systems

“…Regarding soft real-time systems, researchers have shown how faults can be tolerated with active replication while maximizing the utility of the system [14]. In [2] faults are tolerated while maximizing the reward in the context of online scheduling and an imprecise computation model, where processes are composed of mandatory and optional parts.…”