40G and 100G optics options

joel jaeggli joelja at bogus.com
Tue Dec 19 19:38:32 CST 2017


On 12/19/17 10:24, Sabri Berisha wrote:
> ----- 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. 
>
> It's the vendors that chose to go for QSFP due to the density options in a single RU chassis.
osfp is potentially 540W in the front panel of a 1ru switch which poses
it's own engineering challenges.
>
> Thanks,
>
> Sabri
>


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