Re: [v6ops] [EXTERNAL] Re: Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

Fernando Gont <fgont@si6networks.com> Thu, 18 February 2021 19:28 UTC

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To: "Templin (US), Fred L" <Fred.L.Templin@boeing.com>, IPv6 Operations <v6ops@ietf.org>, "6man@ietf.org" <6man@ietf.org>
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From: Fernando Gont <fgont@si6networks.com>
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Date: Thu, 18 Feb 2021 16:28:12 -0300
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Subject: Re: [v6ops] [EXTERNAL] Re: Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)
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Hi, Fred,

On 18/2/21 16:11, Templin (US), Fred L wrote:
[...]
>> On 18/2/21 14:37, Templin (US), Fred L wrote:
>>> Another aspect I failed to mention is that the use of (H)HITs does not
>>> necessarily  mean that all aspects of the HIP protocol must be used. (H)HITs could be
>>> used with the AERO/OMNI services instead, for example.
>>
>> Questions: Are these addresses globally-unique?
> 
> Yes - global uniqueness is a key objective of (H)HIT. Aggregation is not within
> scope, however.

If that's the case, then, according to RFC4007, they are global addresses.

(I'd argue that if they cannot be aggregated, that's because they 
resulting "addresses" are not really topologically-dependent, in which 
case you might probably argue that they are not addresses in the first 
place :-) )

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492