DNAv4 has completed IETF last call and IESG review. The issues that were raised are available here: http://www.drizzle.com/~aboba/DNA/ A strawman version of DNAv4-13 addressing the comments is available here: http://www.drizzle.com/~aboba/DNA/draft-ietf-dhc-dna-ipv4-13.txt Comments/additional issues to me.