Registration template:
o XML Namespace URN/URI:

* urn:ietf:params:xml:ns:iris-transport

o Contact:

* Andrew Newton <andy&hxr.us>

o XML:

* None.

o XML Schema URN/URI:

* urn:ietf:params:xml:schema:iris-transport

o Contact:

* Andrew Newton <andy&hxr.us>

o XML:

* The XML Schema specified in Section 3 of [RFC-iris-common-transport]
