[arm-allstar] Pi 2/3 Capacity

[Lee Woldanski]

Thanks Doug,

That pretty much confirms what I already figured.

Maybe I can convince the repeater owner to go one step further and deploy
RTCM's and forget USB all together. ;)


Cheers!


Lee

On Mar 4, 2017 11:18 AM, Doug Crompton via arm-allstar <
arm-allstar at hamvoip.org> wrote:

> Lee,
>
>   The pi3 is a pretty powerful device. The limitation is USB bandwidth. It
> will handle two radio nodes fine but I would not go beyond that at least
> not with the current code. We are working on making the code more efficient
> all the time and there is a possibility that more than two could be used in
> the future especially with our new IOpipe channel driver.
>
> I run a non radio hub here that sometimes has 30-40 connections with a
> Broadcastify link and Echolink and it loafs so connections are not a
> problem as long as you have the Internet bandwidth. That hub also supports
> 3 other nodes with traffic but no radios. If you are running a hub with
> many connections I would recommend not connecting any USB radio nodes.
>
> Personally in most cases I would run one board per radio node and that is
> the way I do it here. The boards are cheap and having everything running on
> one board just leads to complexity and less redundancy. Lets say you had a
> two repeater site. Yes one board could handle controlling the two repeaters
> and Allstar connections but what if that board failed? Now you have lost
> everything. If you used one board per repeater or per node that would not
> happen. This is kind of a reverse of the standard repeater controller. In
> that case you have one controller and you add ports. In the Allstar case
> each board is a controller and port and you add the controllers together
> via Ethernet. There also is no requirement you be connected to the
> Internet. Of course you would lose Allstar connectivity but you would still
> have repeater controller capability. You could also create your own private
> network.
>
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Sat, Mar 4, 2017 at 1:47 PM, "Lee Woldanski via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Hello folks,
> >
> > Has anyone torture tested the Pi 2/3 to see how many simultaneous
> > connections it can effectively handle?
> >
> > Will they handle connecting 4 USB FOBs to them to say a couple repeaters
> > and a couple links, all running concurrently?
> >
> > Just trying to figure out how to best re-build an existing system and
> > whether to dedicate a Pi to each machine, or just hook it all to one and
> > go.
> >
> >
> > Thanks!
> >
> >
> > Lee
> > --
> > Lee Woldanski, AScT
> > VE7FET
> > _______________________________________________
> >
> > arm-allstar mailing list
> > arm-allstar at hamvoip.org
> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> >
> > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> >
> >
> _______________________________________________
>
> arm-allstar mailing list
> arm-allstar at hamvoip.org
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>