If you're wired, then you shouldn't see any kind of buffering at all.
If you're wireless then you're probably seeing wireless interference as the root cause of your problem, and if that's the case, then you should download Verizon's In home agent. It has a wireless Diagnostic utility that scans and adjusts your router settings for you, and does a very good job at correcting wifi problems. Download that at www.verizon.com/connect.
Also this is semi breaking news and you might find it interesting
Netflix signs streaming traffic deal with Verizon
Just months after signing a similar deal with Comcast, Netflix has reached an agreement to provide a direct connection from the video service to broadband customers.
This article details the technical aspect of it, pretty interesting read if you're into that sort of stuff.