I've also had this issue since the 2.1 patch. Everyone will stop for like 5-10 seconds then dart off somewhere else, almost like there has been a clog up of information. I can't say if 2.1 caused this since i stopped playing 3 weeks prior to 2.1. But i've been loving the 2.1 patch so i tend to log in more often now. Also just a note. This seems to only happen after 10PM EST for me and i'm with Charter communications. Just replaced my router and modem because of this, so hopefully it fixes issues.

PS: Happy holidays everyone!