[107325] in North American Network Operators' Group
Re: 10GE CWDM
daemon@ATHENA.MIT.EDU (Alex Pilosov)
Sat Aug 30 21:17:33 2008
Date: Sat, 30 Aug 2008 21:17:24 -0400 (EDT)
From: Alex Pilosov <alex@pilosoft.com>
To: Nitzan Tzelniker <nitzan.tzelniker@gmail.com>
In-Reply-To: <6d72a2a10808301723w2c3cfcbeqbf541978a72fa6c5@mail.gmail.com>
Cc: nanog@merit.edu, zzuser@yahoo.com
Errors-To: nanog-bounces@nanog.org
On Sun, 31 Aug 2008, Nitzan Tzelniker wrote:
> Hi,
>
> Look here
>
> http://www.btisystems.com/news/releases/Goldfield_Telecom.php
These are XFP-based. Thus, not a solution to the problem above.
Answer: Nobody's making 10GE CWDM-wavelength lasers. Why? I don't have
enough knowledge of optical equipment, but my understanding is that
it is because:
a) Currently DWDM component suppliers already have a full load of
orders and have problems scaling production - as evidenced by long
lead times on any DWDM optics.
b) They wouldn't be much cheaper to produce than
temperature-stabilized DWDM optics.
c) The demand is currently for amplifiable DWDM optics.
-alex
