On Thu, Sep 13, 2007 at 10:11:34AM -0700, Tony Li <tli@xxxxxxxxx> wrote a message of 44 lines which said: > As a practical matter, these things are quite doable. Yes. > This is not theoretical, I've worked with all of the above. Yes. But the point is that many, probably most sites do not have such a methodology. Configurations are maintained by hand, text files are not generated from a database by a program, IP addresses are everywhere (think of documentation), etc. Let's try to improve things: your post is a good sketch for a BCP describing how organizations should handle IP addresses to make renumbering as painless as possible. Why not making an I-D from it? _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf