They have tried to specify using TXT, SIG, and KEY to store the data they want in the DNS but those are misuses of RRs intended for other purposes. Lively discussion about the need for this and why DHCP people want this. Uses hashes of names. List of integers instead of bit map. Discussion to the list.
First part lists documents and what they cover.
Second part tries to give a unified overview of what it all means. Document will have to be frequently revised and should stay as a draft for some time. Perhaps become an Informational RFC at some point. Some requirements come out of zeroconf. Not for use on global Internet or in Enterprise nets.