2002 - cesnet

streaming serverAAA (LDAPS) server1. SSH2. LDAPS3. SMB CESNET2(IP network)upload proxy serverupload clientFigure 21.1: Upload system scheme21.2 Announcing PortalDuring this year, we started to actively participate in the preparation of a programof the TERENA association entitled Academic Netcasting Working Group(TF-NETCAST). To provide groundwork for discussions, we launched the announcingportal, which is a Web application allowing announcements of livebroadcasts of events.The application is open; anyone with an access account in CAAS or in theportal system can contribute to the system. Submissions can also be uploadedoff-line via e-mail. The submitted data are in XML format and the respectiveDTD is freely available at http://prenosy.cesnet.cz/dtd/event.0-3.dtd. The portalis located at prenosy.cesnet.cz.21.3 Broadcasts of EventsIn 2002, we maintained live broadcasts of events or provided the technologicalplatform or technical support for these broadcasts. The most important ofthese events were the medical conferences Genetics after Genome and InternationalSymposium on Interventional Radiology. From the viewpoint of thetechnological development of the streaming platform, the most essential eventswere broadcasts in the PAL quality of the 10 Years of the Internet in the CzechRepublic and TERENA Mini Symposium seminars and the broadcast of the Invex2002 exhibition.High-speed National Research Network and its New Applications 2002207