TY - CONF T1 - Who to Blame when YouTube is not Working? Detecting Anomalies in CDN Provisioned Services T2 - TRAC Y1 - 2014 A1 - Alessandro D'Alconzo A1 - Pedro Casas A1 - Pierdomenico Fiadino A1 - Arian Bär A1 - Alessandro Finamore JF - TRAC PB - IEEE CY - Nicosia, Cyprus ER -