6. Authors' Addresses:

   Richard Hovey
   Digital Equipment Corporation
   1401 H Street NW
   Washington DC 20005

   Phone:  +1 202 383 5615
   EMail:  hovey@wnpv01.enet.dec.com

   Scott Bradner
   Harvard University
   1350 Mass Ave. Rm 813
   Cambridge MA 02138

   Phone: +1 617 495 3864
   EMail: sob@harvard.edu