Resource management using multiple feedback loops in soft real-time distributed object systems
Journal of Systems and Software
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Quality-of-Service (QoS) driven resourcemanagement is a promising notion but has remained farfrom being established as a sound technology of ageneral form. The first step needed is to develop apractical and rigorous approach for specification of theQoS requirements associated with application functions.Such an approach must be accompanied by an approachfor using such specifications as the main driver for cost-effectiveresource allocation. A promising concept, laternamed risk incursion function (RIF)-driven resourcemanagement, was created in 1994 and since then, slowefforts to convert the concept into a concrete technologyhave been under way. This research has been followinganother complimentary research on a promisingmiddleware architecture that supports applicationsoftware composed of distributed real-time objects andalso manages execution resources for fault-tolerantsystem operations. In this paper, we discusses thecurrent middleware structure into which mechanismsfacilitating RIF-driven resource allocation can be incorporatedwith relative ease, as well as several practicalpatterns of RIF that have been established recently.