[arm-allstar] Next gen architecture questions

Alessio Sacchi iz4efn at gmail.com
Thu Jan 9 07:57:42 EST 2020


Thanks Doug, let me provide some context to qualify my questions better.
Maybe of interests to many here.

Attached is the draft architecture I am planning on. Regardless of hamvoip
or DMR systems, the reason for the private cloud is due to the fact all of
my remote locations will be soon connected together over a private fiber
backbone provided by the State. So that network will always be up and I
should better plan on having my HUBs (for hamvoip and for DMR) over that
same network instead of the public cloud. Similarly, Echolink and AIX ports
can stay in the public cloud as users would be locked out anyways if my
private cloud loses internet access - this also helps keeping unnecessary
load away.

Regarding distinctive courtesy tones, I am using them today at SITE 1. They
work perfectly as the two simplex ports are connected to the duplex 70cm
port which is the main one where radio users are. I understand these tones
don't propagate via Allstar network, but the limitation seems to be with
the number of nodes to propagate through, not the type of node. Let me
explain.
My nodes are all private to Allstar network. As per my schema, what I would
like to do is to have a distinct tone (I use EL in CW today on SITE 1 where
the Echolink port is also locally connected) when an Echolink user unlinks
from the Echolink port in the public cloud which is connected to my radio
ports via a HUB in the private cloud. This would be a 2 step jump: Echolink
port to HUB to Radio Port.

So my question is: this would not work today as courtesy tones only
propagate for 1 step - even if my nodes are all private, correct?

I would love to help with the PI farm testing when you are ready. I have a
real use case I want to deliver to my users - concern is latency as I guess
you would start with a hosting location in the US which may add several ms
from Europe. Worth doing some tests.
Also, back to my diagram... I foresee users on this type of public clouds
for our scope will most likely need to setup other machines other then just
hamvoip - DVSWITCH, HBlink, etc. I guess you are considering that.

Thank you
Alessio

On Thu, Jan 9, 2020 at 3:17 AM "Doug Crompton via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> Alessio,
>
>   Courtesy tones are local only. They do not propagate the Allstar network.
> Hamvoip instituted a distinct courtesy tone capability where you can assign
> different courtesy tones for different nodes. See the howto on distinct
> courtesy tones at hamvoip.org. Courtesy tones can be tones, CW, or actual
> sound files. Of course you would not want it to be long in duration.
>
> Things have changed greatly in the last few years and as long as you have
> Internet availability and bandwidth the Pi, especially the Pi4 in turbo
> mode should handle anything you throw at it. There is a PC version in alpha
> but I would not count on it being released any time soon or at all. There
> is also a "Pi farm" in the works which would allow users to lease a Pi4 on
> a high bandwidth connection remotely with Hamvoip SW installed. This would
> primarily be for users who do not have the Internet available or who have
> limited bandwidth access.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Wed, Jan 8, 2020 at 9:07 PM "Alessio Sacchi via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Hi - working on the next gen architecture for my nodes at the moment. Two
> > questions
> >
> > - Currently, courtesy tones only propagate for 1 hop. Any plan or
> > technical impediments for multi-hop courtesy tones? Use case: multiple
> > nodes connected though a central hub.
> >
> > - I may have to run a hub in the public cloud. Any non RPi software
> > available/planned?
> >
> > Thank you
> > Alessio IZ4EFN
> > _______________________________________________
> >
> > ARM-allstar mailing list
> > ARM-allstar at hamvoip.org
> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
> >
> > Visit the BBB and RPi2/3/4 web page - http://hamvoip.org
> >
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>
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>
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>
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