Transactional COM+: Building Scalable Applications (Developmentor Series) - Softcover

Ewald, Tim

Softcover

ISBN 10: 0201615940 ISBN 13: 9780201615944

Publisher: Addison Wesley, 2001

Synopsis

Building enterprise-scale distributed applications is incredibly difficult. Microsoft built COM+ to help, but most developers don't understand it well enough to achieve their goals. In Transactional COM+, Tim Ewald gives developers the comprehensive foundation they need to build business-critical systems with COM+. Ewald explains exactly what problems COM+ aims to solve -- including why it is so difficult to build scalable systems using traditional object-oriented techniques, and how object-oriented style must change in order to build enterprise-scale distributed systems. Next, Ewald introduces COM+ in detail, explaining why COM+ works the way it does, and what the technology's behavior implies about designing effective systems with COM+. Understand how COM+ exposes runtime services to developers; how to leverage application server technologies in the COM+ environment; and the key up-front design decisions you need to make to achieve maximum performance and scalability. Throughout the book, Ewald presents concrete guidelines and best practices for COM+ development -- and shows exactly what common mistakes to avoid. For enterprise developers working on Windows 2000 platforms, there's never been a more valuable resource. For all enterprise developers and designers who are familiar with COM and are now seeking to build distributed systems with COM+ and Windows 2000.

About this title

About the Author

Tim Ewald is a Director of Content at DevelopMentor, a premier developer services company. His research and development work focuses on the design and implementation of scalable systems using component technologies such as COM and Java. Tim has authored or co-authored several DevelopMentor courses, including the MTS and COM+ curriculum. He is also a co-author of Effective COM (Addison-Wesley), a former columnist for DOC and Application Strategies, and a frequent conference speaker. Before joining DevelopMentor, Tim worked as an independent consultant specializing in COM and related technologies.

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From the Back Cover

Building scalable distributed systems that efficiently perform enterprise-critical functions is incredibly challenging. Microsoft developed COM+ to help. COM+ is a sophisticated runtime environment for COM components. It is designed to make the development of scalable systems easier and is the foundation for higher-level frameworks such as BizTalk and Site Server Commerce Edition. But you can't use COM+ effectively if you don't understand how it works.

Transactional COM+ explains how COM+ works and shows readers how to use the technology to its fullest potential as a framework for developing scalable applications. It examines the theory behind COM+, including the nature of scalability, why traditional object-oriented models are inappropriate for scalable systems, and the importance of transactions. The book explores how the two basic atoms of context and causality are used to implement COM+ runtime services. It introduces apartments and activities and the role they play in controlling concurrency in a COM+ process. It also introduces transaction streams and explains how they are used to integrate objects and transactions. Ewald shows how just-in-time activation and object pooling together change the relationship between a client and an object and reveals the importance of HTTP and MSMQ as communication protocols that offer significant advantages over DCOM. Most important, the author explains the influence all these factors have on the design of scalable COM+-based systems.

Practical in its approach, Transactional COM+ goes beyond the rationale behind the technology and the details of its implementation to present concrete guidelines for using COM+ to build applications that scale.

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Edition details

• Publisher: Addison Wesley
• Publication date: 2001
• Language: English
• ISBN 10: 0201615940
• ISBN 13: 9780201615944
• Binding: Paperback
• Edition number: 1
• Number of pages: 464