Glederson Lessa dos Santos Vinicius Tavares Guimaraes Jorge Guedes Silveira Alexandre T. Vieira Jose Augusto de Oliveira Neto Roberto Iraja Tavares da Costa Filho Ricardo Balbinot UAMA: a unified architecture for active measurements in IP networks; End-to-end objetive quality indicators. 246-253 2007 conf/im/2007 Integrated Network Management http://dx.doi.org/10.1109/INM.2007.374789 db/conf/im/im2007.html#SantosGSVNFB07