It is with great pleasure that we introduce the special issue on real-time middleware. Middleware plays an increasingly important role in current and future computing systems For mission critical applications. As the field of real-time systems matures, established Software architectures and frameworks begin to replace ad-hoc approaches for program- Ming such systems. On the other hand, users start expressing the wish for standardization Of development environments. The advent of middleware has provided an ideal vehicle to Meet these challenges in realizing real-time systems.
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