Alexandros Biliris Charles D. Cranor Fred Douglis Michael Rabinovich Sandeep Sibal Oliver Spatscheck Walter Sturm CDN brokering. 393-402 2002 25 Computer Communications 4 http://dx.doi.org/10.1016/S0140-3664(01)00411-X db/journals/comcom/comcom25.html#BilirisCDRSSS02