I try not to use 2119 language to describe basic behaviour like this. It's overkill. It makes documents seem dictatorial. It's also harder to read. It also reduces the impact of 2119 language in those places where it is really important.
Imagine if every part of the process describe in this document used MUST, starting with the procedure described in Section 2...
--Martin
> -----Original Message-----
> From: Alissa Cooper [mailto:acooper@cdt.org]
> Sent: Monday, 14 December 2009 12:43 AM
> To: Thomson, Martin
> Cc: geopriv@ietf.org
> Subject: Re: [Geopriv] I-D Action:draft-ietf-geopriv-lis-discovery-
> 13.txt
>
> Hi Martin,
>
> In the new parts about DHCPv4 option 15, can you explain why you don't
> use 2119 language? In both section 2 and section 3.4 you say that
> DHCPv4 option 15 "is used" (as opposed to, e.g., "SHOULD be used"), so
> it sounds like you're stating a fact rather than giving a direction to
> implementers.
>
> Thanks,
> Alissa
>
> On Dec 8, 2009, at 9:21 PM, Thomson, Martin wrote:
>
> > In addition to the minor changes suggested on the list, this latest
> > version addresses comments that came up in the AD review.
> >
> > The document is now less negative towards use of DHCPv4 option 15.
> > Section 4.1 has been moved to Section 3.4 and Section 3 has been
> > renamed accordingly. There is also a flow chart that should make it
> > easy for implementers to understand how all the pieces fit together.
> >
> > The diff shows the changes:
> >
> > <http://tools.ietf.org/rfcdiff?url2=draft-ietf-geopriv-lis-
> discovery-13.txt
> > >
> >
> > --Martin
> >
> >> -----Original Message-----
> >> From: geopriv-bounces@ietf.org [mailto:geopriv-bounces@ietf.org] On
> >> Behalf Of Internet-Drafts@ietf.org
> >> Sent: Wednesday, 9 December 2009 12:30 PM
> >> To: i-d-announce@ietf.org
> >> Cc: geopriv@ietf.org
> >> Subject: [Geopriv] I-D Action:draft-ietf-geopriv-lis-discovery-
> 13.txt
> >>
> >> A New Internet-Draft is available from the on-line Internet-Drafts
> >> directories.
> >> This draft is a work item of the Geographic Location/Privacy Working
> >> Group of the IETF.
> >>
> >>
> >> Title : Discovering the Local Location Information
> >> Server (LIS)
> >> Author(s) : M. Thomson, J. Winterbottom
> >> Filename : draft-ietf-geopriv-lis-discovery-13.txt
> >> Pages : 17
> >> Date : 2009-12-08
> >>
> >> Discovery of the correct Location Information Server (LIS) in the
> >> local access network is necessary for devices that wish to acquire
> >> location information from the network. A method is described for
> the
> >> discovery of a LIS in the access network serving a device. Dynamic
> >> Host Configuration Protocol (DHCP) options for IP versions 4 and 6
> >> are defined that specify a domain name. This domain name is then
> >> used as input to a URI-enabled NAPTR (U-NAPTR) resolution process.
> >>
> >> Status of This Memo
> >>
> >> This Internet-Draft is submitted to IETF in full conformance with
> the
> >> provisions of BCP 78 and BCP 79.
> >>
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> discovery-
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