GPX is a bit older, with a history closer to the XML standard. However, I know less about how applications interact with it.
The hacker underworld is definitely in high-gear tonight. I just had the data center move my server's public segment to a special filter system, because TriumphRat.Net was under a DDOS attack. Which is a completely unrelated to this thread, but I bring it up as an example of the challenges to keep this site going; and the caution exercised.
Nothing was compromised, but for a short time my infrastructure's external interfaces were getting overloaded. Things are good now, but can't wait to find out who did it - they are dead meat
