[135870] in North American Network Operators' Group
Re: Using IPv6 with prefixes shorter than a /64 on a LAN
daemon@ATHENA.MIT.EDU (Laurent GUERBY)
Sun Jan 30 12:17:54 2011
From: Laurent GUERBY <laurent@guerby.net>
To: Leen Besselink <leen@consolejunkie.net>
In-Reply-To: <4D459451.3070207@consolejunkie.net>
Date: Sun, 30 Jan 2011 18:17:04 +0100
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sun, 2011-01-30 at 17:39 +0100, Leen Besselink wrote:
> On 01/25/2011 11:06 PM, Owen DeLong wrote:
> > If IPv4 is like 640k, then, IPv6 is like having 47,223,664,828,696,452,136,959
> > terabytes of RAM. I'd argue that while 640k was short sighted, I think it is
> > unlikely we will see machines with much more than a terabyte of RAM
> > in the lifetime of IPv6.
> >
> I would be very careful with such predictions. How about 2 TB of RAM ?:
>
> "...IBM can cram 1 TB of memory into a 4U chassis or 2 TB in an
> eight-socket box in two 4U chassis..."
>
> http://www.theregister.co.uk/2010/04/01/ibm_xeon_7500_servers/page2.html
> http://www.theregister.co.uk/2010/04/01/ibm_xeon_7500_servers/
>
> I don't know who will use it or how much they will need to pay for it or
> even when they will be available,
> but they are talking about it (in this case at the last CEBIT in March).
>
> People are building some very big systems for example with lots and lots
> of virtual machines.
On dell.com you can buy a PowerEdge R910 with 1TB RAM for around $80k.
Laurent
