[arm-allstar] How does Allstarlink work?

[James Hause]

Hi Doug,
The DNS system you mention that is in beta testing, will there be a way I
can tell when it is released?
Jim

On Tue, Nov 28, 2017 at 9:38 PM, "Doug Crompton via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Benjamin,
>
>    First of all you are using an app_rpt subject in an arm_allstar list.
> Never should never use a reply on a message from another forum and redirect
> to another one or double post. I assume you are talking to the arm-allstar
> email list in asking your question.
>
> In answer to your question which is very broad I will narrow it down to how
> a connection takes place using both systems in a non technical way.
>
> When your Allstar node comes online (you boot up) it registers with
> Allstar. This allows your node information - destination IP address and
> port - to be placed in the node database. In turn this database is download
> at boot by you and at 10 minute intervals (randomly) by others already
> online. This information has to be know at BOTH ends in order for a
> connection to take place. Using the non-dns file lookup method you would
> not be able to connect at boot to anyone in the database until they had you
> routing information. Since the file update timing is determined by their
> system until their 10 minute time happened you would not be able to connect
> to them. There is also about a 5 minute delay in the databases being update
> so this adds to the total time.
>
> Under the DNS system which hamvoip is testing in beta now and about to
> release to all there is no database file stored on the individual servers.
> Rather when you boot and register your info is immediately put into the DNS
> and available for others to interrogate. The time required is seconds
> rather than many minutes. So assuming both parties were using the DNS
> method a system could come up be registered and connected to the other node
> within 20-30 seconds or less. So about as long as it takes to boot a system
> you could be connected to your destination assuming they too had DNS
> lookup.
>
> This also greatly reduces the amount of data being transferred on a daily
> basis. To put it in perspective there are as many as 216,000 node database
> downloads daily in the Allstar system. If the old method was totally
> eliminated on all Allstar nodes there would be 32,400,000,000 bytes or 32.4
> terabytes not transferred through the Internet on a daily basis. This
> example is based on each node updating 144 times a day, file size 150K,
> number of active nodes 1500.
>
> The code to do the DNS lookup will be offered to the Allstar community at
> large. Whether they decide to implement it is up to them.
>
> I hope this answers your questions.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
>
>
> On Tue, Nov 28, 2017 at 10:02 PM, Benjamin Naber <Benjamin at project23d.com>
> wrote:
>
> > I would like to know how allstarlink works. I could assume specific
> > questions, but I'd rather like to start from the top.
> >
> > I'd like to know from an outside view of what the "DNS" system that has
> > been put into place, and if it is a hamvoip thing, or if it is a ASL
> > wide system.
> >
> > I have the basic understanding of node registering, as the fundamental
> > IAX2 trunk linking is no different than two Asterisk boxes for a VoIP
> > system. There are, obviously, other things at play to make this system
> > of ours, work.
> >
> > Why am I asking? Because I like to know how stuff works, so when I
> > bitch about something not working, I have a better understanding as to
> > why it does not work, and can ask more intelligent questions.
> >
> > As entertaining as it may be, exclaiming: The damn thing doesn't work!
> > is not a good starting point to getting an issue resolved.
> >
> > ~Benjamin, KB9LFZ
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