What should I know when developing interoperable WCF web service?

Question

I\'m starting this Wiki to collect best practices about creating interoperable web services (not clients) in WCF. Please share your experience if you know any feature which

Answer 1

General interoperability:

• Only HTTP and HTTPS transport channels are interoperable
• Negotiation of security credentials is not interoperable (negotiateServiceCredential in message security). It uses TLSNego or SPNego protocols which are not always supported by other platforms.
• HTTP streaming can cause troubles as well
• Binary encoding over HTTP channel is not interoperable
• OleTransactions are not interoperable
• Use service security context with care (estabilishSecurityContext in message security). It uses WS-Secure Conversation protocol which is not available on some platforms

Edit:

• WSDualHttpBinding and CompositeDuplexBindingElement are not interoperable