[j-nsp] 3rd party juniper compatible CFPs SR optics

[joel jaeggli]

On 9/27/16 8:12 AM, Adam Vitkovsky wrote:
>> Fredrik Korsbäck
>> Sent: Tuesday, September 27, 2016 3:58 PM
>>
>> On 27/09/16 16:47, Adam Vitkovsky wrote:
>>> Hi folks,
>>>
>>> What is the current stand in this matter?
>>> Are 3rd party juniper compatible CFPs a viable alternative?
>>> As it looks like no one is making CFP-SR10s, -are these dead/legacy?
>>> -cause it doesn’t seem to be such a problem to find 3rd party 100G QSFP-
>> SR4 –though not sure about the compatibility side of things.
>> Most of the things i tried works fine. Flex, Fiberstore. etc.
>>
>> SR10 is a quite horrible standard so that's why no-one is making them :) SR10
>> is only available in the bulky CFP-transciever since you need to fit a internal
>> gearbox to get 10 lanes out. If you can run with third-party why don't just do
>> LR4 directly? So you can be backwards and frontwards compatible with
>> whatever formfactor transciever you got on the other side. On 100G its only
>> LR4 that's available across the board of all devices.
>>
> That's actually a very good point regarding the future compatibility.
> I got scared by LR4 price tag around 10k as opposed to less than 1k for SR10.
> But I see now that Fiberstore has SR4 for around 1k -not sure where's the catch though.
yeah, sr10 uses a 24 fiber mpo cable, it might have made sense inside a
rack at one time,but it's not even a great way to de-multiplex 10gig
ports respecting real-estate.
> Thanks a bunch
>
> adam
>
>
>
>
>         Adam Vitkovsky
>         IP Engineer
>
> T:      0333 006 5936
> E:      Adam.Vitkovsky at gamma.co.uk
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