WCF Performance Comparison This article is a comprehensive evaluation of the performance of Windows Communication Foundation in contrast with existing .NET distributed communication technologies. See how Windows Communication Foundation stacks up against ASP.NET Web Services, Web Services Enhancements, and .NET Enterprise Services.

Identity: Secure Your ASP.NET Apps And WCF Services With Windows CardSpace Windows CardSpace replaces traditional username/password authentication with a tool that helps users better manage their digital identities and helps shield users from various forms of identity attack such as phishing. Michèle Leroux Bustamante explains.

Service Station: WCF Messaging Fundamentals This month Aaron Skonnard highlights some of the key messaging features behind the sophisticated messaging framework of Windows Communication Foundation.

WCF Essentials: What You Need To Know About One-Way Calls, Callbacks, And Events Windows Communication Foundation introduces several ways for clients and servers to call remote methods. In this article, Juval Lowy explains how they work.

Service Station: Serialization in Windows Communication Foundation  Windows Communication Foundation supports several serialization mechanisms and provides a simple, interoperable foundation for future service-oriented applications. Here Aaron Skonnard explains it all.

Test Windows Communication Foundation using Microsoft Virtual Labs These labs will guide you through the fundamentals of building powerful Windows Communication Foundation services. You don't even need to install the bits, just use the Virtual Labs to see what WCF can do for you.

Windows Communication Foundation Bindings and Channels Clemens Vasters explains what "bindings" are and how they control the construction of the Windows Communication Foundation channel stack at runtime and what that channel stack is to begin with.

Discover Mighty Instance Management Techniques For Developing WCF Apps Instance management refers to a set of techniques used by Windows Communication Foundation to bind a set of messages to a service instance. This article introduces the concept and shows you why you need to understand instance management.

Windows Communication Foundation Architecture Overview Get a high-level view of the Windows Communication Foundation (WCF) architecture and its key concepts. Code examples demonstrate WCF contracts, endpoints, and behaviors.