RFC 6142 provides a framework for transporting ANSI C12.22/IEEE Std 1703™/MC12.22 Advanced Metering Infrastructure (AMI) Application Layer Messages on an IPv4 and IPv6 networks. Specifically, this RFC applies to the operational details of Section 5, “C12.22 Node to C12.22 Network Segment Details”, of ANSI C12.22 / IEEE Std 1703 / MC12.22. It covers the mapping, encoding, and interpreting of ANSI C12.19 /IEEE Std 1377 / MC12.19 Device Network Table Elements and Native Addresses for use on IPv4 and IPv6 networks using TCP, UDP and IGMP. See also RFC 6142 at Internet Engineering Task Force (IETF).