[time-nuts] inexpensive fiber optic distribution

[Mark Spencer]

I'd be curious in these numbers as well.   When I used to deal with this type of an issue for a living I typically didn't worry much about consistent delays of well under a millisecond.

I'd be curious to know what the typical numbers are.

Mark Spencer


mark at alignedsolutions.com
604 762 4099

> On Mar 22, 2019, at 10:22 AM, Hal Murray <hmurray at megapathdsl.net> wrote:
> 
> 
> bownes at gmail.com said:
>> The infrastructure is easily enough interfaced to, even a simple
>> microprocessor can do it, using switches allows for distribution with known
>> characteristics.
> 
> It would be interesting to  measure the delays through a switch.
> 
> The switches are retiming the data stream.  It has to buffer up enough data 
> before it starts sending to make sure that it won't run out before the end of 
> packet if the switch clock is fast and the source clock is slow.  There is 
> also bit/byte synchronization, and crossing a clock boundary before things get 
> started.
> 
> 
> 
> -- 
> These are my opinions.  I hate spam.
> 
> 
> 
> 
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