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Vatsim data not downloading


Dicko
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Problem isn't with FSCommander.

VATSIM is currently undergoing a DDOS attack on the server that generates the VATSIM data file for the public to use. File isn't available, so FSCommander will fail trying to download it, due to a timeout.

Hi Dan,

Funny Vattastic seems to be ok? Any idea when the servers will be back online? What I have also noticed is that if FSC is closed while waiting for the Vatsim data download it will reopen and download the updated data. If you dont close FSC while waiting for the Vatsim data download it will just timeout and nothing happens.

I am a little confused?

Andrew

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Funny Vattastic seems to be ok? Any idea when the servers will be back online? What I have also noticed is that if FSC is closed while waiting for the Vatsim data download it will reopen and download the updated data. If you dont close FSC while waiting for the Vatsim data download it will just timeout and nothing happens.

I am a little confused?

I've no idea when the attack will be over. The difference between various tools to display VATSIM data rests in how the developers choose to download and store the data. IIRC there are two files that need to be downloaded:

Server Information File: Contains a list of active VATSIM data servers.

Raw Data File: This is the data file which contains all the who is flying/controlling.

The server information file is fairly static and only needs to be downloaded once a day. The server which provides this file is the one under a DDOS attack (also the same server that hosts www.vatsim.net).

The Raw Data File is updated (not sure what it is now, but used to be every 120 seconds) regularly, and is available on the various data servers listed in the server information file.

Most applications will locally cache the server information data and only update it if it's greater than 24hours old. If attempting to download the new server data results in a timeout, it may or may not automatically revert to the old data that it has stored locally. This is why some applications seem to work without a problem (most well written web based ones), some require user intervention (the popular "shift-load" option in ServInfo), and some won't work at all (i.e. VATSpy).

How a program handles abnormalities and notifies the user is completely up to how refined the developer wants to make the process. I've no idea how FSC handles it as I don't use it for VATSIM monitoring (I use VATSpy). I'd recommend using another VATSIM traffic display tool until the attack is over. When you get get to www.vatsim.net consistently without a problem, chances are the data server is back up as well.

Cheers,

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