Yes thank you Saku!   We’ve accounted for the fiber distance.   We just want to 
be able to quote the hardware latency.  Thanks for verifying that Juniper; just 
need the Tellabs...  thank you:)

Sent from my iPhone

> On Feb 13, 2019, at 12:53 PM, Saku Ytti <s...@ytti.fi> wrote:
> 
> Hey Steve,
> 
> 15us would be more than you'll realistically see in uncongested MX960,
> but it is in the ball-bark. I've not tried Tellabs, if customer is
> latency sensitive you probably want to look constant time pipeline
> devices rather than run to completion npus. You'll see low single
> digit us on typical box. Remember that 10us is just 2km of fibre (1km
> of RTT).
> 
> 
>> On Wed, Feb 13, 2019 at 7:28 PM Steve Danello <the76po...@gmail.com> wrote:
>> 
>> Looking for two latency profiles, best/worst cast would be great for the 
>> Telllabs 8860 and Juniper MX960.   Looks like the Juniper may be in the 15us 
>> range
>> 
>> Both cases would be a 10Gb -1Gb and 1Gb - 10Gb
>> 
>> We’d understand the serialization piece; really looking to provide a 
>> customer the hardware latency, we don’t have a great means to test them
>> 
>> Thanks all!
>> 
>> Steve
> 
> 
> 
> -- 
>  ++ytti

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