http://www.rfc-editor.org/rfc/rfc6272.txt
RFC 6272: Internet Protocols for the Smart Grid, F. Baker, D. Meyer2011-06-01T23:00:00-00:00This note identifies the key infrastructure protocols of the Internet Protocol Suite for use in the Smart Grid. The target audience is those people seeking guidance on how to construct an appropriate Internet Protocol Suite profile for the Smart Grid. In practice, such a profile would consist of selecting what is needed for Smart Grid deployment from the picture presented here. This document is not an Internet Standards Track specification; it is published for informational purposes.