Re: [sacm] Proposed Updates to the Structure of the Information Model Draft
Ira McDonald <blueroofmusic@gmail.com> Wed, 26 August 2015 21:01 UTC
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From: Ira McDonald <blueroofmusic@gmail.com>
Date: Wed, 26 Aug 2015 17:00:41 -0400
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To: "Wolfkiel, Joseph L CIV DISA ID (US)" <joseph.l.wolfkiel.civ@mail.mil>, Ira McDonald <blueroofmusic@gmail.com>
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Cc: Gunnar Engelbach <gunnar.engelbach@threatguard.com>, "Haynes, Dan" <dhaynes@mitre.org>, "sacm@ietf.org" <sacm@ietf.org>
Subject: Re: [sacm] Proposed Updates to the Structure of the Information Model Draft
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Hi, I agree with Joseph that (specifically) DNS FQDN is more persistent and meaningful for device identity than any IPv4 or IPv6 address. IETF reviewers recommended that I remove all IP address examples from my recent IPPS URI scheme (RFC 7472). The underlying IPP/1.1 protocol (RFC 2910/2911) recommended strongly against the use of bare IP addresses for printer URI 15 years ago. Cheers, - Ira Ira McDonald (Musician / Software Architect) Co-Chair - TCG Trusted Mobility Solutions WG Chair - Linux Foundation Open Printing WG Secretary - IEEE-ISTO Printer Working Group Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG IETF Designated Expert - IPP & Printer MIB Blue Roof Music / High North Inc http://sites.google.com/site/blueroofmusic http://sites.google.com/site/highnorthinc mailto: blueroofmusic@gmail.com Winter 579 Park Place Saline, MI 48176 734-944-0094 Summer PO Box 221 Grand Marais, MI 49839 906-494-2434 On Wed, Aug 26, 2015 at 4:35 PM, Wolfkiel, Joseph L CIV DISA ID (US) < joseph.l.wolfkiel.civ@mail.mil> wrote: > I disagree on the FQDN since it will tend to be persistent over time, > while IP address may change due to DHCP updates as devices leave and return > to a given network. The binding of an IP address to a FQDN is not > guaranteed or expected to be persistent. In the matching logic that we > have implemented, we have a higher confidence in FQDN than IP addresses. > In practice, we will not claim to have identified a device based on IP > address alone. > > That said, I'm not completely confident that FQDN should be tightly bound > to an interface in the IM. In our mixed environments, we collect both > NetBIOS and DNS FQDNs. The NetBIOS FQDNs are not directly related to any > network interface, but the DNS FQDNs are associated with interfaces that > are connected to a given domain. So you can't say that FQDNs always behave > the same, with respect to network relationships. It's a matter of what > type of FQDN you're discussing. > > In the NetD data model that we're using, FQDNs are directly related to the > device object and not associated with a given network interface. > > Joseph L. Wolfkiel > SCM Engineering Lead > DISA ID52 > Work: (301) 225-8820 > Gov Cell: (571) 814-8231 > Joseph.L.Wolfkiel.civ@mail.mil > > > >
- [sacm] Proposed Updates to the Structure of the I… Haynes, Dan
- Re: [sacm] Proposed Updates to the Structure of t… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] [External] Re: Proposed Updates to the… Harrison, Timothy [USA]
- Re: [sacm] [External] Re: Proposed Updates to the… Ira McDonald
- Re: [sacm] [External] Re: Proposed Updates to the… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] [External] Re: Proposed Updates to the… Ira McDonald
- Re: [sacm] [External] Re: Proposed Updates to the… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] [External] Re: Proposed Updates to the… Ira McDonald
- Re: [sacm] [External] Re: Proposed Updates to the… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] [External] Re: Proposed Updates to the… Henk Birkholz
- Re: [sacm] Proposed Updates to the Structure of t… Haynes, Dan
- Re: [sacm] Proposed Updates to the Structure of t… Ira McDonald
- Re: [sacm] Proposed Updates to the Structure of t… Gunnar Engelbach
- Re: [sacm] Proposed Updates to the Structure of t… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] Proposed Updates to the Structure of t… Gunnar Engelbach
- Re: [sacm] Proposed Updates to the Structure of t… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] Proposed Updates to the Structure of t… Ira McDonald
- Re: [sacm] Proposed Updates to the Structure of t… Gunnar Engelbach
- Re: [sacm] Proposed Updates to the Structure of t… Ira McDonald
- Re: [sacm] Proposed Updates to the Structure of t… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] Proposed Updates to the Structure of t… Henk Birkholz
- Re: [sacm] Proposed Updates to the Structure of t… Henk Birkholz
- Re: [sacm] Proposed Updates to the Structure of t… Wolfkiel, Joseph L CIV DISA ID (US)
- Re: [sacm] Proposed Updates to the Structure of t… Gunnar Engelbach
- Re: [sacm] Proposed Updates to the Structure of t… Kathleen Moriarty
- Re: [sacm] Proposed Updates to the Structure of t… Ira McDonald
- Re: [sacm] Proposed Updates to the Structure of t… Haynes, Dan
- Re: [sacm] Proposed Updates to the Structure of t… Haynes, Dan