[arm-allstar] Pi 2/3 Capacity

[Doug Crompton]

OK understood. We will eventually have voting capability with the new
channel driver but if it is a current need then that is probably the way
you would have to go.



*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Sat, Mar 4, 2017 at 2:53 PM, "Lee Woldanski via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> It would let me do direct/transparent IP back haul to the mountain tops,
> and set the system up for voting in the future.
>
> All the streams could be back hauled to a server at an accessible location
> with all the configs in one place.
>
> Just another option...
>
>
> Lee
>
> On Mar 4, 2017 11:49 AM, Doug Crompton via arm-allstar <
> arm-allstar at hamvoip.org> wrote:
>
> > I am not sure why you would want to incur the expense of RTCM's unless it
> > provides something you need that the Pi does not. Pi's are <$35.
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Sat, Mar 4, 2017 at 2:39 PM, "Lee Woldanski via arm-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > 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
> > > > > _______________________________________________
> > > > >
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> > > > >
> > > > > Visit the BBB and RPi2/3 web page - http://hamvoip.org
> > > > >
> > > > >
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> > > >
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> > > >
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> > >
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> > >
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> > >
> > >
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> >
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> >
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> >
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