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Re: [Pidloc] draft-nordmark-id-loc-privacy

Behcet Sarikaya <sarikaya2012@gmail.com> Mon, 15 October 2018 18:46 UTC

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From: Behcet Sarikaya <sarikaya2012@gmail.com>
Date: Mon, 15 Oct 2018 13:46:37 -0500
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To: Luigi Iannone <ggx@gigix.net>
Cc: pidloc@ietf.org
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Subject: Re: [Pidloc] draft-nordmark-id-loc-privacy
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Hi Luigi,

On Thu, Oct 11, 2018 at 3:56 AM Luigi Iannone <ggx@gigix.net> wrote:

> Hi,
>
> On 4 Oct 2018, at 17:02, Behcet Sarikaya <sarikaya2012@gmail.com> wrote:
>
> [snip]
>
>
> In Section 6, the draft points to some possibilities on how this limiting
> can be achieved:
>
> 1. pointing a locator for some fixed anchor point, like PGW or UPF
>
>
> This would be kind of a home agent, right?
> In this case ww will end up with possibly a long stretch in the path
> (depending on mobility).
>
>
> Here pointing to a fixed anchor means that a locator is given from the
fixed anchor's address space. This is a practice in use currently in 4G
networks.
The end result is that UE or mobile location can not be determined
precisely from such a locator.




>
> 2. injecting routing prefixes for the ID prefixes into the normal routing
> system
>
>
> LISP has this approach described in RFC 6832.
>
> I think it is not completely disjoint from the previous point. The proxies
> will become a “fixed anchor point”.
>
> Or you had something else in mind?
>
> 3. not providing any stable locators across this boundary; only allow
> ephemeral IP addresses per session or otherwise limited exposure.
>
>
> When you say “ephemeral IP addresses” you mean the RLOCs or the IDs?
>

ephemeral means a locator which is valid only for a short period of time.
 It is a locator not identifier.

Behcet

>
> Ciao
>
> L.
>
>
>
> In short, the draft is coming up with a lot work to do.
> We suggest that the group takes a close look into all these points and see
> what we can do :-)
> Regards,
> Behcet & Dirk
> --
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>
>
>

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