5MIT- technical memoO06- Physical Mark-Up Language Update.
6PML Core Specification 1.0.
7MIT-technical memo005-The Physical Markup Language Core Components: Time and Place.
83. R. Hinden and S. Deering. IP Version 6 Addressing Architecture.IETF, RFC 2373, July 1998.http://www.iet f.org/rfc/rfc2373.txt.
9R. Hinden, M. O'Dell, and S. Deering. An Aggregatable Global Unicast Address Format.IETF, RFC 2374, July 1998.http://www.ietf.org/rfc/rfc2374.txt.
10Intemet Protocol: DARPA lntemet Program Protocol Specification. University of Southern California Information Sciences Institute.IETF, RFC 791, September 1981. http://www.ietf.org/rfc/rfc0791 .txt.