Next Generation Teletraffic and Wired/Wireless Advanced Networking
WewelcomeyoutotheproceedingsofseventhNEW2AN2007(Next-Generation Teletra?c and Wired/Wireless Advanced Networking) held in St. Petersburg, Russia. Signi?cant contributions have been made in various aspects of networking in next-generation teletra?c. Presented topics encompassed several layers of c- munication networks: from physical layers to the transport protocols and m- eling of new services. New and innovative developments for enhanced signaling protocols,QoSmechanisms,cross-layeroptimization,andtra?ccharacterization were also addressed within the program. In particular, issues of QoS in wireless and IP-basedmulti-service networks were dealt with, as well as ?nancial aspects of future networks. It is also worth mentioning the emphasis placed on wireless networks, including, but not limited to, cellular networks, wireless local area networks,personal area networks,mobile ad hoc networks,and sensor networks. The call for papers attracted 113 papers from 29 countries, resulting in an acceptanceratioof 35%.With the help ofthe excellent TechnicalProgramC- mittee and a number of associated reviewers, the best 39 high-quality papers were selected for publication. The conference was organized in 13 single-track sessions. The Technical Program of the conference bene?ted from two keynote spe- ers: Rod Walsh, NOKIA, Finland, and Saverio Mascolo, Politecnico di Bari, Italy. Moreover,a panel session on emerging wireless technologiesorganized and moderated by Alexander Sayenko, NOKIA, Finland, brought the wireless - main of the conference to a new level. We wish to sincerely thank the Technical Program Committee members and associated reviewers for their hard work and important contribution to the conference.