Distributed Real-Time
Specification for Java
November 2006
Jonathan S. Anderson, The MITRE Corporation
E. Douglas Jensen, The MITRE Corporation
ABSTRACT
The Distributed Real-Time Specification for Java (DRTSJ)
is under development within Sun's Java Community Process
(JCP) as Java Specification Request 50 (JSR-50), lead
by The MITRE Corporation. We present the engineering
considerations and design decisions settled by the Expert
Group, the current and proposed form of the Reference Implementation,
and a summary of open issues. In particular,
we present an approach to integrating the distributable
threads programming model with the Real-Time Specification
for Java and discuss the ramifications for composing
distributed, real-time systems in Java. The Expert Group
plans to release an initial Early Draft Review (EDR) for
previewing the distributable threads abstraction in the coming
months, which we describe in detail. Along with that
EDR, we will make available a demonstration application
from Virginia Tech, and a DRTSJ-compatible RTSJ VM
from Apogee.
Additional Search Keywords
Distributed, Real-time, Java, Distributable thread, Thread
integrity, Distributed scheduling
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