SRv6 Capable NOS and Devices

Colton Conor colton.conor at
Sat Jan 15 17:22:36 UTC 2022

True, but in general MPLS is more costly. It's available on limited
devices, from limited vendors. Infact, many of these vendors, like
Extreme, charge you if you want to enable MPLS features on a box.

On Thu, Jan 13, 2022 at 3:11 AM Saku Ytti <saku at> wrote:
> On Thu, 13 Jan 2022 at 00:31, Colton Conor <colton.conor at> wrote:
> > I agree it seems like MPLS is still the gold standard, but ideally I
> > would only want to have costly, MPLS devices on the edge, only where
> > needed. The core and transport devices I would love to be able to use
> > generic IPv6 enabled switches, that don't need to support LDP. Low end
> > switches from premium vendors, like Juniper's  EX2200 - EX3400 don't
> > support LDP for example.
> It is utter fallacy that MPLS is costly, MPLS is systematically and
> fundamentally cheaper than IPv4 (and of course IPv6 costs more than
> IPv4).
> However if this doesn't reflect your day-to-day reality, then you can
> always do MPLSoGRE, so that core does not need more than IP. So in no
> scenario is this narrative justification for hiding MPLS headers
> inside IP headers, which is expensive and complex, systematically and
> fundamentally.
> --
>   ++ytti

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