6. Acknowledgements

This document incorporates many ideas first described in a draft document by Paul Hoffman, although many details have changed from that earlier work.

The authors especially thank Jeff Yeh for his efforts and contributions on editing previous versions.

Most of the content of this document was provided by John C Klensin and Dave Crocker. Significant comments and suggestions were received from Martin Duerst, Julien Elie, Arnt Gulbrandsen, Kristin Hubner, Kari Hurtta, Yangwoo Ko, Charles H. Lindsey, Alexey Melnikov, Chris Newman, Pete Resnick, Yoshiro Yoneya, and additional members of the Joint Engineering Team (JET) and were incorporated into the document. The authors wish to sincerely thank them all for their contributions.