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

Fairly simple:

• avoid any .NET specifics like Exceptions (turn them into SOAP faults)

• don't use any binding that start with net like netTcp, netNamedPipes, netMsmq and so forth - use wsHttpBinding for secure WS-* services, and basicHttpBinding for maximum reach / compatibility with even the weirdest client platforms

• don't use the NetDataContractSerializer