[EMAIL PROTECTED] (Paul Wouters) writes: > My comments on draft-ietf-dnsop-respsize-05.txt
note that -06 is also in the pipeline, containing some the things i missed. > 2.1.3 > > "unless TC bit set" -> "unless the TC bit is set" fixed for -07 (which won't be submitted until i hear more -05/-06 comments.) > 2.3.1 > > One might consider the case where there is not enough space > for all common transports. Perhaps the advise should then be > to prefer the common transport on which the query came in, > since that transport is likely to be more useful to the > requester? as pekka said, the situation is more fluid than that. consider the possibility that the referring (parent) zone's name servers are not reachable by more than one protocol but the referred (child) zone's are, and suddenly "the transport on which the query came in" is no longer useful information. rather than attempt to document every permutation, i think we should keep the advice as general as possible. > 2.3.4 > > Why is such a distinction needed? In other words, what is the > advise given in this section for use of this distinction. so that we can refer to the distinction in 2.3.6. > 3 > > I think I am also missing the correlation between authority and > additional section with respect to truncating. As per example in > section 3, image that C.GTLD-SERVERS.NET would be silently > truncated, then its corresponding record in the additional section > should be truncated as well, and not another A record which did > make it into the authority section. not at all. if any part of an rrset will not fit, then the rrset is damaged. if the rrset is required (for example, to help a requester determine that this is a referral rather than an empty answer) then the TC bit would have to be set. once you're in TC-bit territory, it doesn't matter what glue you put in or leave out. -- Paul Vixie . dnsop resources:_____________________________________________________ web user interface: http://darkwing.uoregon.edu/~llynch/dnsop.html mhonarc archive: http://darkwing.uoregon.edu/~llynch/dnsop/index.html
