On Tue, 3 Dec 2013 20:27:46 +0100, Richard Cochran wrote:
> You mentioned that you want to implement "hot pluggable" ports on top
> of this series. Do you have anything yet? If so, please post that too,
> so we can get the big picture.

Not yet, I'm working on it but there's still a long road ahead. My main
motivation is to support bonding (which probably sounds scarier than it
actually is), or alternatively, some other sort of automatic failover.

I'm currently experimenting with multiple PHC support, which is needed
for the above and, perhaps more interestingly, would allow things like
boundary clock with separate NICs. Of course, for this to be fully
useful, phc2sys will need to be extended to follow ptp4l's state
machine for individual interfaces. IIRC Jake expressed interest in such
phc2sys extension, too
(http://sourceforge.net/mailarchive/message.php?msg_id=31176225).

(I'm aware that boundary clock with separate but synchronized clocks is
kind of out of PTP spec but I think it could be done in the way that's
indistinguishable from the single clock from the other device's point
of view, which is what really matters. There will be some impact on
precision, of course.)

 Jiri

-- 
Jiri Benc

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