[157796] in North American Network Operators' Group
Re: Whats so difficult about ISSU
daemon@ATHENA.MIT.EDU (Kenneth McRae)
Thu Nov 8 18:42:16 2012
In-Reply-To: <813B894D-A090-4C8C-AE11-491FF0E5DCFC@zaidali.com>
Date: Thu, 8 Nov 2012 15:42:03 -0800
From: Kenneth McRae <kenneth.mcrae@dreamhost.com>
To: Zaid Ali <zaid@zaidali.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Juniper also offers it on the EX virtual switching platform. Works if you
have the correct version of JunOS.
On Thu, Nov 8, 2012 at 3:38 PM, Zaid Ali <zaid@zaidali.com> wrote:
> Cisco Nexus platform does it pretty well so they have achieved it.
>
> Zaid
>
> On Nov 8, 2012, at 3:22 PM, Kasper Adel wrote:
>
> > Hello,
> >
> > We've been hearing about ISSU for so many years and i didnt hear that any
> > vendor was able to achieve it yet.
> >
> > What is the technical reason behind that?
> >
> > If i understand correctly, the way it will be done would be simply to
> have
> > extra ASICs/HW to be able to build dual circuits accessing the same
> memory,
> > and gracefully switch from one to another. Is that right?
> >
> > Thanks,
> > Kim
>
>
>
