UK National Health Service NPfIT

The UK's National Programme for Information Technology (NPfIT) is the world's largest civil IT project. A central component of the NHS Care Records Service is the Transactional Messaging Service (TMS) Spine using the ebXML Messaging Service OASIS Standard.

ebxml.org/case_studies/NHS-ebMSG-casestudy-041206.pdf

More details on this project were presented at the OASIS Focus Day as key note presentation by Dr. Mark Ferrar -

http://www.oasis-open.org/events/adoptionforum2006/slides/ferrar.ppt.