Inter-domain OTN, does it happen in the real world?

Wed Oct 24 01:25:56 UTC 2012

Most telcos can provide an OTU2 client interface but there is no peering, they are just mapping directly to a wavelength or to OTU3/4.  So it's transparent service. 

Phil

On Oct 23, 2012, at 7:07 PM, Will Orton <will at loopfree.net> wrote:

> Reading about OTN networks, I see that "IrDI" is specified to handle the case 
> where one OTN network needs to connect to another natively with OTN signals.
> 
> Is this done in the real world? Does OTN network operator A ever go to OTN 
> network operator B and say, "I'd like to buy a OTU2 from city X to city Y on your 
> long haul network (at buildings J and K where we can connect simply with 
> short-distance SMF/1310 signals), and what TCM levels can you give me?"
> 
> I understand this in the case of lit 10GbE-WANPHY, LAN, and OC-192, but are OTU 
> "lit" signals bought and sold wholesale this way too? Is there generally a price 
> premium over the more normal client signals?
> 
> -Will Orton
> 
> 