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Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world

Henning Rogge <hrogge@gmail.com> Fri, 19 December 2014 17:40 UTC

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From: Henning Rogge <hrogge@gmail.com>
Date: Fri, 19 Dec 2014 18:39:34 +0100
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To: Juliusz Chroboczek <jch@pps.univ-paris-diderot.fr>
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Cc: Michael Richardson <mcr+ietf@sandelman.ca>, Matthieu Boutier <boutier@pps.univ-paris-diderot.fr>, HOMENET <homenet@ietf.org>, Dave Taht <dave.taht@gmail.com>
Subject: Re: [homenet] sorting out the right ipv6 addr to choose and name in a source specific world
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On Fri, Dec 19, 2014 at 6:31 PM, Juliusz Chroboczek
<jch@pps.univ-paris-diderot.fr> wrote:
>>>> Sounds interesting. In the ideal world, that would be a pluggable
>>>> policy algorithm. Lowest RTT may not always be the best choice.
>
>>> It is, in our particular context.  That's the nice thing about working at
>>> the application layer -- you are the application, so you have a pretty
>>> good idea of what the desirable properties are.
>
>> Are you sure?
>
> This particular debate aside, I think we're in agreement about the
> underlying issue -- source selection in networks with source-specific
> routing is an interesting problem, and one that we haven't explored much
> yet.

You might also need to combine the features of the gateway with the
metric(s) of the path to the gateway.

Its not really useful to select a faster gateway if the path towards
the gateway goes over a slow wifi link.

Henning Rogge

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