> SOAP has a lot of overhead, sure, compared to the XCP/TPP XML > that OpenSRS developed.
No one (AFAIK) is suggesting OpenSRS change their message format and APIs, just offer a standard communications protocol to exchange the existing messages and access the existing APIs. XML data can be passed just fine using XML Web Services, so use the same XCP/TPP XML messages, just allow them to be sent via SOAP. Or via straight HTTP POST over SSL. This could be easily accomplished with ZERO impact simply by setting up a "proxy" to the existing system. Adam