Mozilla on the coming version-100 apocalypse

Firewalls starting thinking the only IP packets were TCP or UDP, so new protocols are built over UDP. Some sites only pass HTTP traffic, so everything is made to fit in a HTTP wrapper. Then there's the poor configuration of firewalls concerning ICMP.

All this is aggravated by the use of the web for advertising. Some major networking companies won't allow even a small percentage of their user base to have poorer performance before they update infrastructure, as reducing the time for which advertising is displayed has corporate financial consequences.