http://www.rfc-editor.org/rfc/rfc5719.txt
RFC 5719: Updated IANA Considerations for Diameter Command Code Allocations, D. Romascanu, H. Tschofenig2010-01-01T23:00:00-00:00This document aligns the extensibility rules of the Diameter application with the Diameter commands, offering ways to delegate work on Diameter to other SDOs to extend Diameter in a way that does not lead to poor design choices. [STANDARDS-TRACK]