This is Skype's resource page for security. I would point them towards the network admin link farther down. They address network concerns much better with 3.0 http://www.skype.com/security/ If they're worried about the effects of supernodes, bandwidth, etc I'd would use this white paper from Columbia. Gives a good explanation of when supernodes are created, under what circumstances, and what resources they use when it happens. http://www1.cs.columbia.edu/~library/TR-repository/reports/reports-2004/ cucs-039-04.pdf Todd Todd Bryant Language Program Administrator Dickinson College 717-254-8941 Fax - 717-245-1456 ________________________________ From: Language Learning and Technology International Information Forum [mailto:[log in to unmask]] On Behalf Of Dorothy Kramer Sent: Wednesday, December 06, 2006 8:46 AM To: [log in to unmask] Subject: Re: #8413.4 (!) - video conf - linked classrooms Re Skype and Teleconferencing Has anyone had any reluctance from their tech departments from a security point of view? We have had teachers told they are "compromising network security"by attempting to teleconference. Does anyone have any definitive arguments which have worked? Thanks! Dorothy A. Kramer World Language ABRHS