I really like the Atom protocol, especially with the "archived pages" extension. I've used it several times to distribute common data feeds in a really scalable

I really like the Atom protocol, especially with the "archived pages" extension. I've used it several times to distribute common data feeds in a really scalable way. Since everything is static, the processing on the server is minimal (either return the current string buffer, or return a string from a map), and all the archived content is infinitely cacheable. it's a really simple and clever idea