[acao-it] ACAO Tracking Protocol

[Daniele Orlandi]

Ciao,

Questi sono mail e documento che ho preparato per SilentWings, se per 
voi va bene gli mando tutto.

------------------

Hello Thomas,

I've been asked to provide you the details of our glider tracking 
infrastructure to allow you to implement the race visualization software 
for the FAI Sailplane GP final.


Our tracking system is based on an AMQP-based infrastructure passing 
messages between the various components.

A collector daemon outputs a message stream where traffic data is 
compacted in one message per second with data from more stations 
coalesced in one set per object.

The stream is available directly via AMQP however you may prefer to 
access it via a Bayeux interface that is also available on the Internet.

Bayeux is a protocol to abstract websockets to implement a pubsub interface.

A description of the protocol and messages format is attached to this email.


A sample Javascript client is hosted here:

https://tracker.acao.it/tracking_sample.js


Please be aware that the protocol is under heavy development so many 
aspects could change in the next future, however, the basic structure 
should remain the same.

We will refrain from applying incompatible changes starting from the 
next month and, at most, new attributes and new message types may be 
added but the data should not change.

If you have any question don't hesitate to contact me.

Bye,

-- 
   Daniele Orlandi
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