I have posted a shepherd write-up.
Some suggestions that I have, one of which came from the idnits:
1) IPv6 example maybe? How would IPv6 work at all?
Can it work in a SLAAC-only environment?
2) no references for DHCP are there at all. Probably there should be a few?
at least to RFC2131
A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Operations and Management Area Working Group
WG of the IETF.
Title : Secure Device Install
Authors : Warren Kumari
Colin D