[GTALUG] I’m obviously way behind in my reading: IBM owns Redhat

[James Knott]

On 2020-05-27 04:26 PM, Russell Reiter wrote:
> I can't say for sure whether token ring on optical networks has left 
> the IoT entirely.

There have been a lot of technology that's come and gone over the years.
> Fiber and associated hardware is still very expensive.

Not really.

> In some process and control systems redundancy and fail-over take 
> necessary priority

Yep, and there are ways to do that with Ethernet and IP.  I mentioned 
the 432 fibre strands on the Finch LRT.  That's split into 2 redundant 
networks.