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[Freedombox-discuss] Quality of service (QOS) - Asterisk

On Tue, Sep 7, 2010 at 8:03 PM, Sam Hartman <hartmans at debian.org> wrote:

>    Peter> So it would be adventurous for the FreedomBox to be able to
>    Peter> use IPv6 with its peers too gain that reliability.
> I definitely think using IPv6 (often tunneled over v4) would be a great
> simplifying architectural assumption.  However I'm not aware of any
> practical difference between integrated services, differentiated
> services or the DSCP field between IPv4 and IPv6.  So, I'm unaware of
> why v6 provides QOS advantages.

Native IPv6 provides some nice QOS features - but as soon as you tunnel it
over IPv4 then I think it is safe to say they will no longer be effective:
all you've accomplished is to add tunneling overhead and latency, making
your VOIP experience that much worse.

Bjarni R. Einarsson

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