[172381] in North American Network Operators' Group
Re: Credit to Digital Ocean for ipv6 offering
daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Tue Jun 17 17:54:19 2014
X-Original-To: nanog@nanog.org
To: Chris Adams <cma@cmadams.net>
In-Reply-To: Your message of "Tue, 17 Jun 2014 16:26:47 -0500."
<20140617212647.GA24963@cmadams.net>
From: Valdis.Kletnieks@vt.edu
Date: Tue, 17 Jun 2014 17:53:04 -0400
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
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On Tue, 17 Jun 2014 16:26:47 -0500, Chris Adams said:
> Doing anything that ties networks to physical servers is a poor design
> for a VPS environment. That would mean that any VM migration requires
> customers to renumber (so no live migration allowed at all).
Why? Two hypervisors tossing a subnet route to a VM back and forth is
*exactly* the same problem as two routers using VRRP to toss a subnet
route back and forth. And somehow, we all manage to do that *all the time*
without machines on the subnet having to renumber.
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