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How can WCF support multiple IIS Binding specified per site ? – Ram Poornalingam’s WebLog – Site Home – MSDN Blogs

IIS has web sites, which are containers for virtual applications which contain virtual directories. The application in a site can be accessed through one or more IIS binding.IIS bindings provide two pieces of information – binding protocol and binding information. Binding protocol defines the scheme over which communication occurs, and binding information is the information used to access the site.

via How can WCF support multiple IIS Binding specified per site ? – Ram Poornalingam's WebLog – Site Home – MSDN Blogs.

Duplex Service in Silverlight

Silverlight offers us many choices to work with services to get data into our applications. Supported technologies include WCF, ASMX, REST, WCF RIA Services etc. Through the use of any of these, it’s quite easy to get data from the server to the client application and vice versa. They all have one thing in common: before the data is sent, the client has to perform a request to the server to do so. The communication is known to be client-initiated. But what if the server wants to initiate communication by sending some data to the client, without there being a request first? In this case, we need to use duplex communication, so that both sides of the communication channel can start sending data.

via The duplex story: looking at duplex communication in Silverlight (Part 1).

C#er : IMage: Abstracting WCF Service Calls in Silverlight 3

While working with WCF in Silverlight is a blessing, it is also a challenge because of the way Silverlight manages service references. There are often extra steps required to ensure a service is Silverlight compatible, then additional considerations relative to making the service consumable on the Silverlight side and ensuring security concerns are met, etc. The purpose of this post is to provide a relatively simple and lightweight framework for abstracting the services in your applications to provide a more solid foundation for using them.

via C#er : IMage: Abstracting WCF Service Calls in Silverlight 3.

patterns & practices Improving Web Services Security Guide

Welcome to the patterns & practices Improving Web Services Security: Scenarios and Implementation Guidance for WCF project site! This guide shows you how to make the most of WCF (Windows Communication Foundation). With end-to-end application scenarios, it shows you how to design and implement authentication and authorization in WCF. Learn how to improve the security of your WCF services through prescriptive guidance including guidelines, Q&A, practices at a glance, and step-by-step how tos. It’s a collaborative effort between patterns & practices, WCF team members, and industry experts. This guide is related to our WCF Security Guidance Project.

via patterns & practices Improving Web Services Security Guide.