BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste BZVD Dresden University of Technology Computer Centre Support Centre for Video Conference Services (BZVD) Video Conferences in the German Research Network TERENA Networking Conference 2001 ‘Highlighting Advanced Networks and Services‘ Antalya, Turkey May 2001 Wolfgang Wünsch Christoph Fleck

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste BZVD Dresden University of Technology Computer Centre Support Centre for Video Conference Services (BZVD) Zellescher Weg Dresden Tel.:(0049) Fax:(0049) Video:video.urz.tu-dresden.de (0049) WWW: Project Manager:Dipl.-Ing. Wolfgang Wünsch Staff: Dipl.-Inform. Undine Grohmann Dipl.-Ing. Christoph Fleck Dipl.-Ing. Detlef Makowitz Dipl.-Inform. Frank Schulze Students: Reinhard Förster, Thomas Uhle André Schulze, Tino Schinnerling

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tasks of BZVD The BZVD as a service centre of DFN Education User consulting Maintenance of local network & equipment Providing video conferences (as a service) Application searches & tests

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste User Poll Frequency: Up to 15 conferences per month Average duration:Up to 1 hour Main technology:MBone, H % short-term October 1999 Use of Video Conferencing 13% not planned 57% already used

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Purpose of BZVD Support of the DFN community with planning, installation and use of video conference services Video conferencing as a regular service in the WiN Co-operation with other projects of the DFN Knowledge transfer between local partners in the WiN Efforts and benefits  synergy effects

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste User Consulting and Demonstrations Introduction to standard users: Opportunities and limitations of video conferencing Hardware and software look-and-feel Recommendation: H.323 or MBone tools Users with special demands: Help on selecting hardware and software Supporting with first steps H.323 and MBone tools and others ATM, ISDN (H.320), gateway solutions

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Providing Video Conferences Support for users with our equipment: during usage mobile BZVD communication equipment (e.g. broadcasts of conferences / meetings) Provide a stationary video conferencing room for groups Usage: Ohio State University, Columbus Demonstration for TIB e.V. (Technology & Innovations Consulting for Employees, Hamburg) Tests in co-operation with the Max Planck Society etc.

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Network of Competence Partners  Network of local competences in the WiN Contacts with app. 20 organisations and institutions 8 different computer centres in Niedersachsen and 6 other research institutions in Germany Deutscher Wetterdienst, Virtuelles Theater Bochum, Europa Universität Frankfurt/Oder and other (With single institutions at the moment, no network yet) contacts are presently rather bilateral, not yet interlinked

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste MCU Service of DFN Application scenarios: Directors, managers Scientists Demands: Reliable and unbureaucratic management of the MCU Reservation tool for the MCU with direct users access Video quality: at least 384 kbps Audio quality: G.722 T.120 for application sharing Continuous presence: display of the last 4-5 participants Display of names of the participants of a conference Reliable service, hotline, FAQs Automation of the service: directory, configuration, billing, monitoring, gatekeeper (centralised / distributed)

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste MCU Service of DFN Development tasks DFN Provision of a reservation system Installation of components Installation of a monitoring system Installation of a service administration Recommendations for end systems / clients User Installation of a gatekeeper (if necessary an MCU) Time scheduling Start piloting in summer 2001 with restricted functionality (lack of reservation system) and limited number of users

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 Devices Purpose: MCU services by DFN in WiN Terminals: end devices Polyspan: Viewstation 128, Viewstation 512, ViaVideo Sony: Contact 1600 Tandberg: 1000 VCON: Escort 25, Crusier 384, MC 8000, Falcon IP, ViGO Pro Intel: Proshare 500, TeamStation Elsa Vision II, NetMeeting 3.01, SunForum 3.1 & 3.0 MCUs: multi control unit for group conferences FVC:Click To Meet ACCORD:MGC 100 RADVision:MCU-323 ezenia!:encounter 1000 NetServer reliable, in active development, no further development, instable

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 MCUs MCUs: multipoint control units for H.323 FVC: Click To Meet ACCORD: MGC 100 RADVision: MCU-323

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 MCU‘s FVC: Click To Meet (Demo Version) Usage and registeration is done by the members Closed groups with up to 15 users, small conferences with 4 users Scheduled or ad-hoc Conferences, browser-based ACCORD: MGC 100 Administrator permanently needed, registration of users required Large, closed groups, large conferences possible Administrator starts conference Unique functions: video splitting modes, speed matching RADVision: MCU-323 Usage by users themselves, no registration required Medium-sized of conferences Conferences start with dialing from terminal Audio problems with NetMeeting

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Results of Tests Group conferences with more than 4 terminals: difficult Every participant with bad audio equipment cause disturbances Video coding without special hardware is not optimal Video display on TV - best solution, but expensive Compatibility issues between certain H.323 devices Gatekeeper is part of the system concept for the WiN Quality of G-WiN satisfies the needs Local problems occur sometimes MCU: highest requirements in the network

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Compatibility Matrix for H.323 [2]

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Accessories

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Video Conference Address Book List of video conference users Users create and change entries individually Listing of the entries is generally accessible [3]

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Information of BZVD Information available in German only [1]: Audio / video: signals, connectors, codings Room equipment and design Video conference hardware & software: Chosen products, own tests Long list of manufacturers, distributors, services MBone software archives Poster: audio, video, MBone [4] MBone Manual PC hardware: audio / video cards Notebook for video conferences English translation of unique information upon request (compatibility matrix)

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste To Do H.323 over Firewall Gatekeeper QoS

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Links [1] [2] [3] [4]ftp://ftp-mm.urz.tu-dresden.de/ pub/dokumentationen/allgemein/audio-video-mbone_poster.pdf

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 Terminals Good audio & video quality: Polyspan, VCON, Sony, Tandberg Different audio & video quality: NetMeeting 3.01 unstable: Elsa Vision II - SW5: NetMeeting 3, no QCIF obsolete: SunForum 3.1: no Gatekeeper support Intel: Proshare 500, TeamStation

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 Terminals Good audio & video quality: Polyspan, VCON, Sony, Tandberg Different audio & video quality: NetMeeting 3.01 unstable: Elsa Vision II - SW5: NetMeeting 3, no QCIF obsolete: SunForum 3.1: no Gatekeeper support Intel: Proshare 500, TeamStation

BZVD Tasks User Poll Purpose MCU Tests H.323 Matrix Accessories Address Book Information To Do Links Video Conferences in the German Research Network TNC May 2001 Beratungszentrum für Videokonferenzdienste Tests of H.323 Terminals Good audio & video quality: Polyspan, VCON, Tandberg Varying audio & video quality: NetMeeting 3.01 In active development: Sony, Elsa Vision II - SW5: NetMeeting 3, no QCIF No further development : Intel: ProShare 500, TeamStation Missing function: SunForum 3.1: no gatekeeper support