[187416] in North American Network Operators' Group
Re: Equipment Supporting 2.5gbps and 5gbps
daemon@ATHENA.MIT.EDU (Tim Jackson)
Fri Jan 29 07:58:54 2016
X-Original-To: nanog@nanog.org
In-Reply-To: <20160129122410.GA32337@puck.nether.net>
Date: Fri, 29 Jan 2016 06:58:51 -0600
From: Tim Jackson <jackson.tim@gmail.com>
To: Jared Mauch <jared@puck.nether.net>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On Jan 29, 2016 6:29 AM, "Jared Mauch" <jared@puck.nether.net> wrote:
> > SFP+ Copper Twinax is another option for 10G to save on the
transceivers
>
> Not really.
>
> You can get 10G optics for sub-$10 and patch cords for cheap too,
> so why spend >$50 on DAC cables when you can go fiber and save
> space and money?
>
> Walking into a colo and seeing orange or aqua cables always
> makes me sad as people overpaid and created themselves a future problem.
2x 850nm SFP+ @ $16
2m multimode jumper @ $3.16
Vs
2m SFP+ DAC @ $18
(From Fiberstore)
Then you have the issue of Intel NICs refusing to support any optical
modules that dont show up as Intel (and the associated work arounds, etc)
DACs are usually about 40% cheaper for server interconnect.
