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"I found Real Time UML, Third Edition to provide an informative and practical application of UML 2.0 to the development of real-time systems, and well worth the read by systems and software engineers. It is written in plain English and provides the right balance of depth and breadth." --Sanford Friedenthal
Deputy, Corporate Systems Engineering,
Lockheed Martin Corporation
Chair: OMG Systems Engineering
Domain Special Interest Group

"Douglass has again made highly technical material accessible to everyone. This book is an excellent introduction to the new UML 2.0, and if you want to learn what modeling for real-time environments is like, this is the book to read. His witty, conversational style should be a model for all authors of technical material." --GaryK. Evans
Founder and Object Evangelist,
Evanetics, Inc. (www.evanetics.com)

"Douglass has been a co-chair of the OMG's group interested in quality of service issues and, therefore, has valuable insights into the usefulness of these emerging technologies. His clear presentation of this information helps those applying these advanced technologies to extract the most benefit for their organizations and products, not only for the intended real-time embedded product, but also for products whose quality of performance, while not critical, is nevertheless of interest." --Therese M. Smith
President and CEO,
Air Traffic Software Architecture, Inc.
(USA and Canada)

"The author presents an excellent overview of UML in the real-time spacewith plenty of colorful examples. This book is an excellent teaching tool for a newcomer or a reference for an expert!" --Soma Chatterjee
Senior Product Manager,
I-Logix

The increasing complexity of embedded and real-time systems requires a more premeditated and sophisticated design approach for successful implementation. The object-based Unified Modeling Language (UML) can describe the structural and behavioral aspects critical to real-time systems and has come to the fore as an outstanding medium for effective design.

Like its best-selling predecessors, "Real Time UML, Third Edition, " provides an overview of the essentials of real-time systems and an introduction to UML that focuses on the use of the ever-evolving standard in design and development. This accessible book examines requirements analysis, the definition of object structure and behavior, architectural and mechanistic design, and more detailed designs that encompass data structure, operations, and exceptions. Numerous figures help illustrate UML design techniques, and detailed, real-world examples show the application of those techniques to embedded systems.

This significantly revised edition features the new UML 2.0 standard, which dramatically improves the clarity of the UML for capturing architectures and improving its scalability. "Real Time UML, Third Edition, " also introduces the UML Profile for Schedulability, Performance, and Time (STP Profile). The STP Profile provides a standardized way to capture schedulability and performance constraints of systems. This allows analysis tools to read and analyze UML models.

Key topic coverage includes: The Rapi Object-Oriented Process for Embedded Systems (ROPES) Concurrency and resource modeling with the Real-Time (SPT) UML ProfileTapping action semantics for greater executabilityScenario modeling with timing diagramsKey strategies for object identificationDefining object state behaviorRepresenting and identifying threadsMechanistic design patterns Representing Command, Control, Communications, Computers, Intelligence, and Reconnaissance (C4ISR) Architectures with the UML