Jeremy Greiner, Kaos Studios' community manager, has told AusGamers that the studio has "actually more than doubled server capacity" for the multiplayer offering on Homefront
(review incoming), and that they are "adding more" to deal with demand. He also points out for those of you experiencing bugs, the team are "already issuing the first battery of patches", which you can find the full details of on the official Homefront website
On Xbox 360, the team have said a title update is coming soon, but for the most part there aren't too many reported issues. The PC had a hotfix released in the last little while, but is "pretty robust" according to Kaos.
The PS3 on the other hand is experiencing the most problems, and the team have a patch going live at 17.00 PST today. Hit the link above for the full list of fixes that patch will address.