%0 Journal Article %T Characteristics of Video Traffic from Videoconference Applications: From H.261 to H.264 %A S. Domoxoudis %A S. Kouremenos %A V. Loumos %A A. Drigas %J Journal of Computer Networks and Communications %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/614157 %U http://dx.doi.org/10.1155/2013/614157