Hi Mark, > -----Original Message----- > From: Mark Smith > [mailto:i...@69706e6720323030352d30312d31340a.nosense.org] > Sent: Tuesday, May 24, 2011 2:16 PM > To: Templin, Fred L > Cc: Thomas Narten; Brzozowski, John; Bob Hinden; ipv6@ietf.org > Subject: Re: Node Requirements: Elevating DHCPv6 from MAY to SHOULD > > Hi Fred, > > On Tue, 24 May 2011 10:51:14 -0700 > "Templin, Fred L" <fred.l.temp...@boeing.com> wrote: > > > Hi Thomas, > > > > > -----Original Message----- > > > From: ipv6-boun...@ietf.org [mailto:ipv6-boun...@ietf.org] On > > > Behalf Of Thomas Narten > > > Sent: Monday, May 23, 2011 1:11 PM > > > To: Brzozowski, John > > > Cc: ipv6@ietf.org; Bob Hinden > > > Subject: Re: Node Requirements: Elevating DHCPv6 from MAY > to SHOULD > > > > > > > Is the intention for the new text to relax the requirement for > > > > auto-configuration? > > > > > > No. SLAAC remains a MUST. DHCPv6 though is now a SHOULD. > > > > > > For one thing, DHCP doesn't have an option configure > on-link prefixes, > > > so we still need SLAAC. > > > > Not all links will necessarily require on-link prefixes. For > > those, DHCPv6 alone may be sufficient. > > > > Out of curiosity, wouldn't link locals be classified as SLAAC > addresses (as in, their configuration is stateless and > they're autoconfigured by default)? I understand you're saying that > there are scenarios where RA's wouldn't contain a PIO, or perhaps the > PIO wouldn't have then on-link flag set, however I'm curious if saying > that SLAAC isn't necessary in that scenario is also implying that > link-locals may not be necessary either?
Good point; yes, even DHCPv6 requires link-locals. The link-locals could be manually configured, but it seems reasonable to assume that they would often be autoconfigured using SLAAC. Thanks - Fred fred.l.temp...@boeing.com > Thanks, > Mark. -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
