Not even IP identification will work felida as changing dns servers see to that as well as vpn's.console ID's on the other hand would negate any sneaky ways around it which is i assume why ms ban consoles,for once they have a good idea..lol..
edit: just remembered voting them out of the room won't work either,they just log back in with another name assuming there's room for another player in that time.Back ages ago on the psn headsets were your best friend to give smack down to laggers & cheats,tho as already mentioned knowing other gamers was the best way to avoid little kiddies trash talking with squeaky voices & spawn killing..lol..
I remember 5 years ago on live,battlefield bad company.Some twit setup the game so friendly fire caused damage,to add insult to injury a player on the team spawn killed me 3 frak'n times.Not one to run from a challenge i paid them back in kind,they left the game after they realized i was hunting them down,while ignoring everyone else....now that i've re read what i just wrote in this paragraph i come across a bit mentally unstable...lol..where's my meds