[Xastir-dev] FW: [nwaprs] Fwd: [aprsfi] X-APRS: a new protocol

[Alan Crosswell]

Ugh, XML not JSON-based?
/a


On Sat, Apr 1, 2017 at 2:31 PM, davidf4 <davidf4 at mindspring.com> wrote:

>
>
> -----Original Message-----
> From: nwaprs at googlegroups.com [mailto:nwaprs at googlegroups.com] On Behalf
> Of
> Bill Vodall
> Sent: Saturday, April 01, 2017 8:48 AM
> To: nwaprs at googlegroups.com
> Subject: [nwaprs] Fwd: [aprsfi] X-APRS: a new protocol
>
> Already picking up support...
>
>
> ---------- Forwarded message ----------
> From: Heikki Hannikainen <hessu at hes.iki.fi>
> Subject: [aprsfi] X-APRS: a new protocol
> To: aprsfi at googlegroups.com
> Cc: Georg Lukas <georg at op-co.de>
>
>
>
> Hi,
>
> I fully support the new X-APRS protocol initiative, it just plain makes
> sense.
>
> Experimental services are already live on aprs.fi, with IPv6 and load
> balancing. "telnet xaprs.aprs.fi 20482" to see the convenient, easy-to
> parse
> and lightweight data stream.
>
> https://aprsdroid.org/xaprs/
>
> I've also set up a service on the AMPRnet/Hamnet: telnet 44.139.11.254
> 20482
>
> With a little effort, I'm hoping we could phase out and turn off the legacy
> APRS-IS services by the end of this year.
>
> - Hessu
>
>
> > Hi all,
> >
> > in the past I've often realized that APRS-IS does not work well with
> > mobile TCP/IP - latency on 2G or 3G causes delays that skew the
> > position reports; interruptions in the data connection are almost
> > impossible to detect at application level, and thus cause packet drops,
> etc.
> >
> > On the other hand, with my other project (yaxim, a mobile client for
> > the Extensible Messaging and Presence Protocol / XMPP), all of these
> > problems have been solved years ago. Now I have come to the conclusion
> > that APRS and XMPP have many things in common:
> >
> > - They are both network protocols to send real-time GPS and message
> > packets.
> > - They are mainly parsed by computers and displayed in a processed form.
> > - Both have a vast network of distributed servers to distribute data.
> > - For both, there are sophisticated web interfaces available.
> > - etc.
> >
> > Therefore, I decided to bring together the best of both worlds and
> > created X-APRS: a revival of APRS based on the XMPP protocol.
> >
> > You can find the protocol specification with color-coded examples here:
> >
> > https://aprsdroid.org/xaprs/
> >
> > Starting with the upcoming version 1.4, APRSdroid will only support
> > X-APRS over TCP/IP and HamNet, and legacy ARPS will be slowly phased
> > out.
> >
> > However, this should not be a problem, as the new protocol will also
> > be supported by aprs2net and aprs.fi (expect separate announcements
> soon).
> > Client and server developers are encouraged to jump in and implement
> > the protocol, using one of the many available XMPP libraries.
> >
> > You can have a peek at the data stream by issuing one of the following
> > commands:
> >
> >         telnet xaprs.aprsdroid.org 20482
> >         telnet 44.139.11.254 20482
> >
> > 73 from Germany,
> >
> > Georg DO1GL
> >
> > --
> > APRSdroid - Open Source APRS Client for Android |
> > http://aprsdroid.org/m
> > https://play.google.com/store/apps/details?id=org.aprsdroid.app |
> > @APRSdroid
> >
>
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