40G and 100G optics options

Fredrik Korsb├Ąck hugge at nordu.net
Tue Dec 19 19:30:19 CST 2017


> 19 dec. 2017 kl. 19:24 skrev Sabri Berisha <sabri at cluecentral.net>:
> 
> ----- On Dec 18, 2017, at 9:49 AM, Fredrik Korsb├Ąck hugge at nordu.net wrote:
> 
>> This is the "failure" of us (the business) choosing QSFP as the de-factor
>> formfactor for 100G, there is not power in
>> that cage to make 10km+ optics in an easy way. If we would have pushed for CFP4
>> as the "last" formfactor in 100G land we
>> would be much better off.
> 
> How about OSFP? The OSFP MSA has a large number of backers, including Juniper, Arista, Finisar and Google. 

Yes, on OSFP we have the possbility of making this right again for 400G. It will not have the same backward compability as QSFP-DD and not the same faceplate density (but close enough i would say). But in return we would most likely see longrange optics MUCH earlier in the lifecycle of 400G


> 
> It's the vendors that chose to go for QSFP due to the density options in a single RU chassis.
> 
> Thanks,
> 
> Sabri




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