Integrated CORBA Scheduling and Resource Management for Distributed Real-Time Embedded Systems

Abstract

Abstract

Design and Performance Evaluation of Configurable Component Middleware for End-to-End Adaptation of Distributed Real-Time Embedded Systems

“…Moreover, Kokyu lacks the capability to track utilization of various system resources as well as QoS of applications. To address these limitations, research presented in [2] enhances QoS-enabled DOC middleware by combining Kokyu and QARMA.…”

A Real-Time Distributed Scheduling Service For Middleware Systems

“…This E-F-E loop repeats until a feasible solution returns the system to a schedulable state. This cycle represents the integration of DSS with RM [10]. At step G analysis is complete and the RM puts the current system information back into System Repository.…”

“…These tests demonstrate that the DSS with the RM improves real-time performance. The full results of these tests have been reported in [10]. The experiments were based on a distributed video delivery application for Unmanned Aerial Vehicles (UAVs).…”

“…The UAV application consists of senders, which acquire and send out video frames; viewers, which either display the video to human monitors or feed the video to automatic target recognizers; and distributors, which replay the videos frames from senders to viewers. In this experiment, we collected data from a simulated UAV application that runs in RMBench [10], a tool designed for performance evaluation of real-time embedded systems. The experiment consisted of six periodic endto-end tasks, which were sender/distributor/viewer chains.…”

Design and Performance of Configurable Endsystem Scheduling Mechanisms

“…However, it is also important to note that in a DRE system, each endsystem must not only control access to its local resources, it must also participate in end-to-end resource allocations for distributed application computations crossing endsystem boundaries. In collaboration with colleagues at URI and Ohio University, we have developed and evaluated a multi-level scheduling and resource management architecture within which our group scheduling framework will be integrated [3].…”