Re: [Anima] Alissa Cooper's No Objection on draft-ietf-anima-bootstrapping-keyinfra-28: (with COMMENT)

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 16 October 2019 21:11 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Alissa Cooper <alissa@cooperw.in>
cc: The IESG <iesg@ietf.org>, draft-ietf-anima-bootstrapping-keyinfra@ietf.org, tte+ietf@cs.fau.de, anima@ietf.org, anima-chairs@ietf.org
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Comments: In-reply-to Alissa Cooper via Datatracker <noreply@ietf.org> message dated "Wed, 16 Oct 2019 07:50:07 -0700."
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Date: Wed, 16 Oct 2019 23:12:37 +0200
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Subject: Re: [Anima] Alissa Cooper's No Objection on draft-ietf-anima-bootstrapping-keyinfra-28: (with COMMENT)
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Alissa Cooper via Datatracker <noreply@ietf.org> wrote:
    > I think this document would benefit from two concise lists, with notes about
    > which items in each list are defined in this document and which ones are not
    > defined: (1) what is operationally required of a manufacturer to support BRSKI,
    > and (2) what is operationally required of a domain owner to support
    > BRSKI.

Please see a diff at: https://tinyurl.com/y5l4xz3z
I will not get to the YANG Doctor review before the IESG call tomorrow,
so I won't post -29 until I do.

I have add a section with this list:

     9.1.  Operational Requirements  . . . . . . . . . . . . . . . .  70
       9.1.1.  MASA Operational Requirements . . . . . . . . . . . .  70
       9.1.2.  Domain Owner Operational Requirements . . . . . . . .  71
       9.1.3.  Device Operational Requirements . . . . . . . . . . .  72

I have placed it under the Applicability statement to ACP, as I think that
other users might need to change things.

    > = Section 2.3.1 =

    > What precisely is meant by "TPM identification"? Could a citation be
    > provided?

In -28 we don't have the words TPM identification.  We ripped the TPM
identification out a few revisions ago.  It was a point form about a
subjectAltName that might come from the 4108 HardwareModuleName.  The text
was there as a workaround for legacy/deployed TPM modules out there; it turns
out the concerns were ill-founded.

    > = Section 10.1 =

    > "The domain can maintain some privacy since it has not necessarily been
    > authenticated and is not authoritatively bound to the supply chain."

    > What does this mean? That the domain can expect the manufacturer not to trust
    > the domainID because it hasn't been authenticated?

A domain that didn't want to leave so many traces in the audit-log could
cycle through different key pairs much like we do with IPv6 temporary addresses.

    > = Section 10.2 =

    > "The above situation is to be distinguished from a residential/
    > individual person who registers a device from a manufacturer: that an
    > enterprise/ISP purchases routing products is hardly worth mentioning.
    > Deviations would, however, be notable."

    > What does the last sentence mean?

That text was changed in -28 to:

   The above situation is to be distinguished from a residential/
   individual person who registers a device from a manufacturer.
   Individuals do not tend to have multiple offices, and their registrar
   is likely on the same network as the device.  A manufacturer that
   sells switching/routing products to enterprises should hardly be
   surprised if additional purchases switching/routing products are
   purchased.  Deviations from a historical trend or an establish
   baseline would, however, be notable.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [


--
Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
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