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Under the Surface of Azeroth:
A Network Baseline and Security Analysis
of Blizzard's World of Warcraft
Now that the launcher knows the web site IP address, it performs a normal HTML query and receives the news feed from the remote web server:
The transfer of data during the startup process is detailed in this chart. The HTML transfer is seen as spikes of data, showing the packets of data sent to the client and the smaller acknowledgements sent back to the web server.
Since this transfer was made over a relatively fast cable-modem Internet connection, the bandwidth used during this short period of time is well above one-hundred kilobits per second. Since this data transfer consists only of static HTML data and the total amount of data is relatively small, connectivity speeds aren't a critical aspect of the World of Warcraft news display process.




