Screaming Penguin - Source Does Matter

And settle in with the latest W3C Recommendation!

XOP (read: Binary XML encoding) is now officially on the rec list. Now, this ISN'T "Binary XML" that there has been some discussion about. What it is, however, is a new Multi-HTTP request, MIME-attachment style system for putting binary INTO XML. It is a replacement for the Base64 ecoded stuff that many people use to pass binary data around inside XML, and since there is no codec step involved, signifigantly friendlier to CPU's and wires.