Rating:  - This book succeeds in demystifying COM+ component services.
More than just a how-to book, this book clearly explains the fundamental concepts behind component-based distributed development, and provides an appreciation for why a component infrastructure like COM+ is a God-send to COM and .NET component developers.
In addition to describing COM+ features and their use, from developer and administrative perspectives, Lowy provides motivation to take advantage of COM+ features by presenting relevant real-world examples. Furthermore, Lowy points out common pitfalls that can be encountered when dealing with each COM+ feature. The techniques described for avoiding some of these pitfalls are alone worth more than the price of the book.
All key COM+ concepts and technologies are thoroughly covered. Included in the book are chapters on: object context, instance management, transactions, concurrency, the COM+ catalog, security, queued components, events, and COM+ component services as they apply to .NET, where COM+ component services (called Enterprise Services in .NET) are just as critical to successful enterprise application development. The appendices provide a useful log component, as well as a preview of Microsoft's next release of COM+.
Rating: - Excellent Coverage of COM+
If anyone thinks that COM+ is going away, they are misguided. .NET will still rely on all of the infrastructure for transactional applications that COM+ provides.
Lowy has provided an excellent explanation of COM+ and its architecture and then how .NET will fit in. The chapter on XP is also excellent. Anyone who reads this book could definitely put it in the category of blend between Pattison's ease of reading and Ewald's technical explanations.
All of the code is in ATL 7.0, and although that isn't any really big leap from ATL 3.0, the environment does take some getting used to.
Additionally, the Logger project in Appendix A is worth the price of the book.
Rating: - Awesome book!
Come on, techies like us know that .NET uses COM+ to provide the Component services like Transaction Management, Queued components and the like. Hence it is natural that COM+ be covered first in detail. Then the author explains how to use it from .NET components. Very well laid out. Buy this book!
Rating:  - Disapointed !
Disapointed perhaps its a very good book on COM+ but for .NET dont waste your money.
344 pages for COM+
and only 40 pages for .NET components.
thanks a lot!
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