Transactional COM+: Building Scaleable Applications (DevelopMentor) (Paperback)

The most remarkable feature of this book is its extremely detailed guide to how COM+ components make use of system resources like contacts, threads, transactions and objects. After providing in-depth background (and possible bottlenecks for each type of resource), the author provides a number of tips for better performance. Though sometimes densely written, this text will let COM+ component builders think about and get more performance. Snippets of code in C++ and Visual Basic. The book also provides a handful of formulas to predict performance on a system using components.

There's plenty of expertise on display in this book for configuring and applying COM+ components using Microsoft Management Console (MMC) tools. Expert information on these tools is hard to find and the author covers all the bases with options for pooling, transactions and the like while recommending how to reduce the overhead of your components. You learn how to limit the use of contexts and transactions to improve performance when necessary. Sections on designing scalable applications on today's multi-tiered distributed architectures will help you plan for your next project. There's also advice for developing and testing distributed applications. A short appendix previews what's different on Microsoft's upcoming .NET platform (which supersedes the COM+ standard but is backward-compatible.)

In all, Transactional COM+ delivers what you need to become a truly advanced COM+ enterprise developer while making you think through performance and scalability issues on the Windows platform. For anyone faced with squeezing more performance out of existing hardware, the in-depth set of best practices and design expertise in this book will help you create leaner, meaner and more scalable software. --Richard Dragan

Product Description

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.

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