[59247] in North American Network Operators' Group
Re: Advice/Experience with small sized DDWM gear
daemon@ATHENA.MIT.EDU (Simon Leinen)
Sat Jun 21 06:27:07 2003
To: <deepak@ai.net>
Cc: "Arman" <arman@unitedlayer.com>, <nanog@merit.edu>
From: Simon Leinen <simon@limmat.switch.ch>
In-Reply-To: <GPEOJKGHAMKFIOMAGMDIAEPFONAB.deepak@ai.net> (Deepak Jain's
message of "Fri, 20 Jun 2003 14:56:41 -0400")
Date: Sat, 21 Jun 2003 12:25:53 +0200
Errors-To: owner-nanog-outgoing@merit.edu
Deepak Jain writes:
[a response with excellent pieces of advice on CWDM vs. DWDM.]
> If you are planning more than just 1 DF run, you could buy the less
> expensive solution and just swap it out when you need something more and use
> the CWDM solution somewhere else.
Yes. What we often do is buy a single pair of fiber (which happens to
be the smallest amount you can get) and use a bi-directional optical
system (CWDM or DWDM). So we have one of the two fibers free for a
later upgrade (or another useful purpose).
[...]
> So its a question of how much BW you need and how much you
> want to pay for right now.
An excellent management summary of CWDM vs. DWDM :-)
--
Simon.
