Re: [Ila] [5gangip] ILA forwaring [Was Re: Problem Statement]

Tom Herbert <tom@quantonium.net> Tue, 01 May 2018 22:35 UTC

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From: Tom Herbert <tom@quantonium.net>
Date: Tue, 01 May 2018 15:35:32 -0700
Message-ID: <CAPDqMeor3YjUL9MpU5C5Tm5dkH=ha=0CVkE3EbmYOswzss-5AQ@mail.gmail.com>
To: Alberto Rodriguez-Natal <rodrigueznatal@gmail.com>
Cc: Tom Herbert <tom@herbertland.com>, Dino Farinacci <farinacci@gmail.com>, ila@ietf.org, Behcet Sarikaya <sarikaya@ieee.org>, Christian Huitema <huitema@huitema.net>, Dirk.von-Hugo@telekom.de, 5GANGIP <5gangip@ietf.org>
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Subject: Re: [Ila] [5gangip] ILA forwaring [Was Re: Problem Statement]
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On Tue, May 1, 2018 at 2:51 PM, Alberto Rodriguez-Natal
<rodrigueznatal@gmail.com> wrote:
> Tom,
>
> These are very clear examples, thanks for your time putting them together.
> Just one question below.
>
> On Tue, May 1, 2018 at 8:54 AM, Tom Herbert <tom@herbertland.com> wrote:
>>
>> When ILA-Rs receive packets they transform and forward them as
>> described above. It MAY also send an ILA redirect. An ILA redirect can
>> only be sent to an ILA-N that is in the local ILA domain. To do this
>> the ILA-R performs a reverse lookup on the source address of the
>> received packets.
>
>
> How does this work when the mapping information for the source address is in
> a different ILA-R?
>
The ILA-R can query another ILA-R for the information (or just do a DB
lookup). This is not done in-line with the forwarding path.

Tom

> Thanks,
> Alberto
>