On Tuesday, November 26, 2013 10:37:29 AM Gert Doering wrote: > If we're talking about the same thing, I think it's a > great idea, and the only problem is that vendors > charging extra for using it (and thus, many people are > not using it even if their hardware could)...
IPoDWDM's issues were less about its technology:
- Several DWDM vendors didn't (and hardly, today,)
support alien wavelengths. Those that did
supported it only for the line side, so port
density was poor.
- IPoDWDM only made sense if you owned both the
Transmission and IP networks. Trying to lease a
colored wave from a telco doesn't generally go
down well, in most parts.
- There is a real concern when IP and Optical teams
need to give up their network to one another.
GMPLS visibility into either domain was meant to
solve this, but people are protective of their
jobs.
This is all coming back now under the SDN (yuck!) guise, so
we'll see.
Cisco are pushing this hard on the NCS, as are Juniper on
the PTX (particularly after all the work Juniper and Adva
have done in incorporating optics on their router).
Mark.
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