I am the assigned Gen-ART reviewer for this draft. The General Area Review Team (Gen-ART) reviews all IETF documents being processed by the IESG for the IETF Chair. Please wait for direction from your document shepherd or AD before posting a new version of the draft. For more information, please see the FAQ at <​

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This draft is ready for publication as a Standards Track RFC.

I have only two small editorial comments:

Figure 2 appears to be missing a couple of backslashes in the ASCII art drawing.

The sentence "This document has been written to address errata in a previous version of this standard.” probably ought to be moved to section 2.  A broader statement in the Abstract to the effect that this document is a rewrite of RFC 4447 for publication as an Internet Standard might be more helpful.

- Ralph