Re: [v6ops] IPv6-only section [draft-ietf-v6ops-enterprise-incremental-ipv6 WGLC]

Ray Hunter <v6ops@globis.net> Fri, 09 August 2013 07:46 UTC

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Date: Fri, 09 Aug 2013 09:45:35 +0200
From: Ray Hunter <v6ops@globis.net>
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To: Gert Doering <gert@space.net>
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Cc: v6ops@ietf.org
Subject: Re: [v6ops] IPv6-only section [draft-ietf-v6ops-enterprise-incremental-ipv6 WGLC]
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> Gert Doering <mailto:gert@space.net>
> 9 August 2013 09:02
> Hi,
>
> Vendor costs are not the point. The point is that operationally (OPEX),
> a dual-stack network costs more than a single-stack network.
>
I hear you. But the OPEX seen by the key decision maker has not
increased at all (taking into account "vendor" includes managed service
provider)
> Maybe you should just try this for a while, so you know what it feels
> to have to do every DNS change twice, maintain two sets of firewall
> rules, etc...?
>

At large enterprise level: someone else's problem. The outsourcing
contract has not gone up in price (yet).
And the service provider needs to improve their tooling to cope with
this as part of normal operational efficiency.

Use a complete life-cycle-cost business case to compare that operational
delta of dual stack operation (2 or 3 operational FTE) to the cost of a
green field roll out of all new kit for pure IPv6 (including converting
legacy gear that's only going to run for a pre-determined period), plus
associated transition project costs, and business downtime to get it all
running, and you'll find it's just noise.

Sorry to sound blunt, but that's pretty much current enterprise thinking
in my experience.
> Gert Doering
> -- NetMaster

-- 
Regards,
RayH