Are there inexpensive DWDM products?

Brent Jones brent at brentrjones.com
Fri Nov 3 02:21:00 CST 2017


I've set a few people up with FS.com, and my $employer uses then for a lot
of DWDM without issue.

Quality bites everyone, cleaning terminations is one of the neglected steps
:p

On Thu, Nov 2, 2017 at 2:36 PM, Micah Croff <micahcroff at gmail.com> wrote:

> I've used Adva passive DWDM MUX's and colored FlexOptix DWDM 10G optics. It
> worked very well with zero issues.  I haven't personally used MUX's from
> fs.com but I've had colleagues use them and caution against them due to
> the
> quality.
>
> On Thu, Nov 2, 2017 at 1:37 PM, Mike Hammett <nanog at ics-il.net> wrote:
>
> > fs.com DWDM with a 1310 pass through port. That way you can still run
> 40G
> > or 100G over the 1310.
> >
> >
> >
> >
> > -----
> > Mike Hammett
> > Intelligent Computing Solutions
> > http://www.ics-il.com
> >
> > Midwest-IX
> > http://www.midwest-ix.com
> >
> > ----- Original Message -----
> >
> > From: "LF OD" <bz_siege_01 at hotmail.com>
> > To: nanog at nanog.org
> > Sent: Thursday, November 2, 2017 1:01:10 PM
> > Subject: Are there inexpensive DWDM products?
> >
> > We have several buildings and a couple data centers spread around the
> city
> > and interconnected via dark fiber. It's a very simple setup - no ROADM,
> no
> > real ring, no extended layer-2 or layer-3 via the optical gear.
> >
> >
> > Pretty much we just mux/demux a channel for each building so that each
> > building sees the two data centers directly even though the fiber span
> may
> > wind through a couple buildings along the way. In some cases, the
> distance
> > is short enough to use colored optics in the network gear, but mostly the
> > distances are just long enough to warrant transponder cards.
> >
> >
> > All that being said, a lot of the gear is approaching end of life
> (support
> > in some cases). I'm not an optical guru but I can muddle my way through
> > with Cisco ONS and I'm aware that Ciena and Fujitsu also have similar
> > products. We really don't have budget for a large optical refresh effort.
> > However, we've saved some money here and there in the routing/switching
> > arena by leveraging Arista and even Cumulus. I'm wondering if there are
> > smaller players in the optical arena that have a good quality/price
> value?
> >
> >
> > Again, we don't need sophisticated features... we primarily have 2-to-4
> > 1Gb and 10Gb ports required per site, then we mux those onto a wavelength
> > and extend it to the two data centers. Most buildings are set up the same
> > way, each on a different wavelength so the don't even see each other...
> > only the data centers.
> >
> >
> > If you guys know of any optical gear that you can vouch for (and which
> > costs less than a small house), we would greatly appreciate it. Thanks
> >
> >
> > LFOD
> >
> >
>



-- 
Brent Jones
brent at brentrjones.com


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