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MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

3.6 (14)
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MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF

3.6 (14)

Overview of this book

MVVM (Model View View Model) is a Microsoft best practices pattern for working in WPF and Silverlight that is highly recommended by both Microsoft and industry experts alike. This book will look at the reasons for the pattern still being slow to become an industry standard, addressing the pain points of MVVM. It will help Silverlight and WPF programmers get up and running quickly with this useful pattern.MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF will help you to choose the best MVVM approach for your project while giving you the tools, techniques, and confidence that you will need to succeed. Implementing MVVM can be a challenge, and this book will walk you through the main issues you will come across when using the pattern in real world enterprise applications.This book will help you to improve your WPF and Silverlight application design, allowing you to tackle the many challenges in creating presentation architectures for enterprise applications. You will be given examples that show the strengths and weaknesses of each of the major patterns. The book then dives into a full 3 tier enterprise implementation of MVVM and takes you through the various options available and trade-offs for each approach. During your journey you will see how to satisfy all the demands of modern WPF and Silverlight enterprise applications including scalability, testability, extensibility, and blendability.Complete your transition from ASP.NET and WinForms to Silverlight and WPF by embracing the new tools of these platforms, and the new design style that they allow for. MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF will get you up to speed and ready to take advantage of this powerful new presentation platform.
Table of Contents (21 chapters)
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MVVM Survival Guide for Enterprise Architectures in Silverlight and WPF
Credits
Foreword
About the Authors
About the Reviewer
www.PacktPub.com
Preface
MVVM Frameworks
Index

Chapter 4. Northwind—Services and Persistence Ignorance

By Ryan Vice

We are off to a good start, but what about performance and scalability? Our current design isn't very scalable and places a large processing load on the client that would make more sense if it was placed on a server. Enterprise applications will generally need to be crafted differently for scalability, performance, and component-based development. They need to be service-oriented, enabling different applications to reuse the same functionalities across the enterprise. The easiest way to improve our design so that it's more enterprise-ready is by adding a Service Layer by Fowler between our presentation tier and our application tier. This will allow us to move our business logic processing to a server which we can easily scale in server farms or on the cloud.

Another consideration for moving to a more enterprise-scale design is around Persistence ignorance. Persistence ignorance is achieved in a design when the persistence...

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