Subject: [BEHAVE] Comments on draft-cheng-behave-nat44-pre-allocated-ports-01

From: Dave Thaler <[email-masked]>
Date: Sun, 7 Nov 2010 02:48:13 +0000

Some comments:

1) This discusses NAT44 only, but why isn't this document applicable to NAT64 as well?
    It seems like it should apply any time the external side is IPv4.

2) Some problems with the proposal in this document are:
   * It does not address the issue of unfairness of assigning "special" (more valuable) ports
      such as 80, 443, or any other port IANA has assigned for a popular protocol or application.
   * It does not seem to provide for enough randomization per draft-ietf-tsvwg-port-randomization
   * It seems that it would provide a smaller maximum number of ports than other schemes, since
      it doesn't allow for statistical multiplexing (oversubscription) if the operator wants that.

3) Editorial: some acronyms are used without definition or expansion (NAS, BNG)

-Dave