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Re: [Ila] [DMM] Fwd: New Version Notification for draft-herbert-ila-mobile-00.txt

Tom Herbert <tom@quantonium.net> Tue, 06 February 2018 05:17 UTC

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From: Tom Herbert <tom@quantonium.net>
Date: Mon, 05 Feb 2018 21:17:51 -0800
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To: Lorenzo Colitti <lorenzo@google.com>
Cc: dmm <dmm@ietf.org>, ila@ietf.org
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Subject: Re: [Ila] [DMM] Fwd: New Version Notification for draft-herbert-ila-mobile-00.txt
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On Mon, Feb 5, 2018 at 8:52 PM, Lorenzo Colitti <lorenzo@google.com> wrote:

> On Fri, Feb 2, 2018 at 6:27 AM, Tom Herbert <tom@quantonium.net> wrote:
>
>> We like like to request that the dmm WG consider ILA as a candidate
>> protocol for the 3GPP "Study on User Plane Protocol in 5GC".
>>
>
> Echoing Tom's earlier comment about this: I think the address assignment
> sections (6.3 and 8.3) should be reworded to clarify that for general
> purpose hosts, best practice is not to use singleton addresses, but always
> to provide a /64 prefix.
>

Lorenzo,

Section 8.3 provides the argument that singleton addresses are needed for
privacy-sensitive communications. For practicality and probably scaling /64
is needed, however for strong privacy singleton addresses would be needed
(to avoid resorting to NAT).

I'm not sure a best practice can be defined here since it may depend on the
application context.

Tom

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