[time-nuts] Leap Second quirk, Another hanging bridge

Scott Newell newell at cei.net
Tue Aug 12 20:18:27 EDT 2008

At 06:29 PM 8/12/2008, Hal Murray wrote:

>USB isn't fundamentally evil.  It's polled, so you won't get great response
>to something like a PPS interrupt.  But the polling is handled automagically
>with modern hardware so It's not much worse (maybe better) than the typically
>interrupt batching that RS-232 chips do.

I wonder if using isochronous USB transfers would result in more 
consistent latency.

newell  N5TNL 

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