@article{ivjnsm2004, author = "E. Tsolakou and E. Nikolouzou and S. Maniatis and Venieris, Iakovos S.", journal = "Journal of Network and Systems Management", month = "December", number = "4", pages = "537-565", title = "{D}efinition and {P}erformance {E}valuation of {N}etwork {S}ervices {D}eployed {O}ver a {D}ifferentiated {S}ervices {N}etwork", volume = "12", year = "2004", }