CWDM is cheaper and will probably work fine within a city. Check fs.com.
On Thu, Nov 02, 2017 at 06:01:10PM +0000, LF OD wrote: > 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