This is really not a simple answer. Now you've just compounded the problem with N solutions, where N is the number of encoders in the wild in use by people who

This is really not a simple answer. Now you've just compounded the problem with N solutions, where N is the number of encoders in the wild in use by people who want to talk to your service. And then you've basically got SOAP, which is one of those acronyms that manages to be none of its constituent words in practice.