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As the Internet evolves into a ubiquitous communication infrastructure and provides various services including telephony, it will be expected to stand up to the toll quality standards set by traditional telephone companies. Our objective in this paper is to assess to what extent today's Internet is meeting this expectation. Our assessment is based on delay and loss measurements taken over wide-area backbone networks, considers realistic VoIP scenarios and uses quality measures appropriate fordoi:10.1109/infcom.2002.1019256 dblp:conf/infocom/MarkopoulouTK02 fatcat:ljfmmj6jvvgetjk4ecpibtldba