Hi all,
This second WGLC resulted in very few comments. In the DHC WG we discussed about DHCPv4 option structure and in MIF there was a comment about document-internal reference bug. I have now uploaded a version six that contains: - Fixes to the DHCPv4 option structure - Highlighting stricter length limitation in case of DHCPv4 option - Fix to the reference bug - Small fixes to missing DHCPv4 considerations in sections 4.5 and 4.6. Please see diff: http://tools.ietf.org/rfcdiff?url2=draft-ietf-mif-dns-server-selection-06 If no further comments, I think this document is ready to go to the IESG. Thank you, Teemu From: [email protected] [mailto:[email protected]] On Behalf Of ext Hui Deng Sent: 30. syyskuuta 2011 18:29 To: [email protected]; [email protected]; [email protected]; [email protected] Cc: [email protected]; [email protected]; [email protected] Subject: [mif] 2nd Last Call for MIF DNS server selection document Dear all Based on 1st round WG LC, the authors have received significant advice about revision and submited a new version accordingly: http://www.ietf.org/internet-drafts/draft-ietf-mif-dns-server-selection-05.t xt And we plan to issue a second round WG LC, and cc to DHCWG, DNSEXT, DNSOP related working groups, please DNSEXT/DNSOP chairs help to forward to the MLs since I may not subscribe to them. This is a 2 weeks with little extension LC, it will finish on October 17, Please send substantive review and editorial comments to [email protected] Thanks a lot for youre view Best regards, Margaret and Hui Below are Teemu's writeup about the revision: I uploaded -05 update so that next comments would take into account changes I already did based on discussions with Murray (as was copied to this list). The biggest clarifications related to how DNS queries are sent to different servers and when all servers are waited for answers (if reply is not validated) and when not. I.e. this text: -- A node SHALL send requests to DNS servers in the order defined by the priority list until an acceptable reply is received, all replies are received, or a time out occurs. In the case of a requested name matching to a specific domain or network rule accepted from any interface, a DNSSEC-aware resolver MUST NOT proceed with a reply that cannot be validated using DNSSEC until all DNS servers on the priority list have been contacted or timed out. This protects against possible redirection attacks. In the case of the requested name not matching to any specific domain or network, first received response from any DNS server MAY be considered acceptable. A DNSSEC- aware node MAY always contact all DNS server in an attempt to receive a response that can be validated, but contacting all DNS servers is not mandated for the default case as in some deployments that would consume excess resources. -- Teemu > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > ext [email protected] > Sent: 20. syyskuuta 2011 22:10 > To: [email protected] > Cc: [email protected] > Subject: [mif] I-D Action: draft-ietf-mif-dns-server-selection-05.txt - 显示引用文字 - > > A New Internet-Draft is available from the on-line Internet-Drafts directories. > This draft is a work item of the Multiple Interfaces Working Group of the > IETF. > > Title : Improved DNS Server Selection for Multi-Interfaced > Nodes > Author(s) : Teemu Savolainen > Jun-ya Kato > Ted Lemon > Filename : draft-ietf-mif-dns-server-selection-0 5.txt > Pages : 26 > Date : 2011-09-20 > > A multi-interfaced node is connected to multiple networks, some of > which may be utilizing private DNS namespaces. A node commonly > receives DNS server configuration information from all connected > networks. Some of the DNS servers may have information about > namespaces other servers do not have. When a multi-interfaced node > needs to utilize DNS, the node has to choose which of the servers to > contact to. This document describes DHCPv4 and DHCPv6 option that > can be used to configure nodes with inform ation required to perform > informed DNS server selection decisions. > > > A URL for this Internet-Draft is: > http://www.ietf.org/internet-drafts/draft-ietf-mif-dns-server-selection-05.t xt
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