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Real-Time Operating System (provide (Support (quality of service (QoS)),…
Real-Time Operating System
provide
basic support for scheduling
resource management
synchnization
communication
precise timing
I/O
Support
quality of service (QoS)
Taxonomy and Architecture
Small, fast, proprietary kernels
fast context switch
responds to external interrupt quickly
minimal interval when interrupts are disable
provides a bounded execution time for most primitives
high resolution real time clock
have special alarm and timeouts
extension to commercial OS
UNIX to RT-UNIX
LINUX to RT-LINUX
real-time version of linux
compliant kernels
dual kernels
core kernel modifications
the resources kernel approach
component based kernel
QoS-Based kernel
paradigms
hard and soft real-time garantees
admission control
resource reservation
reflection
resource kernels