Looking for a guide to all of the web services protocols implemented by WCF? There's no single document that captures all of the information, but there is a group of documents that talk about the implemented protocols and some of the choices in those implementations. The level of detail varies from document to document as a few are high-level summaries across areas of the product while others are low-level details of a particular protocol. Web Services Protocols Interoperability Guide Web Services Protocols Supported by System-Provided Interoperability Bindings Messaging Protocols Data Contract Schema Reference WSDL and Policy Security Protocols version 1.0 Security Protocols Reliable Messaging Protocol version 1.0 Reliable Messaging Protocol version 1.1 Transaction Protocols version 1.0 Transaction Protocols Context Exchange Protocol Mixing Trust Protocols in Federated Scenarios Next time: Help with Security Programming Read More...