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H.323-Based Video Conferencing in the Educational Environment Presented at the Campus Focused Workshop on Advanced Networks By Larry Amiot Northwestern.

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Presentation on theme: "H.323-Based Video Conferencing in the Educational Environment Presented at the Campus Focused Workshop on Advanced Networks By Larry Amiot Northwestern."— Presentation transcript:

1 H.323-Based Video Conferencing in the Educational Environment Presented at the Campus Focused Workshop on Advanced Networks By Larry Amiot Northwestern University & Internet2 Staff

2 Video Conferencing Alternatives ISDN-based H.320 (Legacy) Internet-based Access Grid Virtual Room Videoconferencing System (VRVS) MPEG2 Multicast H.323

3 H.323 Video Conferencing H.323 Video Conferencing is becoming widely available in the educational environment. Staff meetings Working Group meetings Collaborations Interactive classes Conference tracks

4 INTERNET POINT-TO-POINT VIDEO CONFERENCING

5 Internet GateKeeper MCU H.323 Clients H.323 Real Video Web Browser

6 MCU. H.323 Multipoint Video Conferencing Audio & Video Streams (N*2*384Kbps)

7 H.323 Examples Megaconference1 Fall 1999 Internet2 meeting Over 50 sites from all over the world 384Kbps Cascaded MCUs Megaconfernece2 www.mega-net.net/megaconference

8 Megaconference2 Fall 2000 Internet2 meeting World’s first totally remote conference track Empty lectern Worldwide interactive audience 114 End points; 28 Multipoint Control Units. The model for all future conferences on all subjects

9 Megaconference2 Presentations 1.IP Video in the K12 Environment 2.Use of H.323 Technology in CINECA Activities 3.The Washington State K20 Statewide Network 4.Material World Module(MWM) & virtual institute 5.Use of IP Video for Distance Surgical Education

10 Use of IP Video for Distance Surgical Education Jerome Johnson (OSU), Presenter Laparoscopic Surgery Surgical instruments & small camera inserted through incision in abdomen Surgery performed watching TV Consultation via 2-Way Real-time video Instruction via Real-time Video

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12 Megaconference2 Presentations 6.Generation X and Generation D Learning in the ZPD with H.323: Literacy Strategy Lessons from Rural America 7.Wireless Distribution of H.323 Videoconferencing in a Trauma Center Emergency Department 8.The Western NY High Performance Networked Video Initiative 9.Work and Life in an Antarctic Station

13 Work and Life in an Antarctic Station Hans Pfeiffenberger (Alfred Wegener Institute), Presenter Neumayer Station in Antarctica at 70 deg. South 384Kbps satellite link to Bremerhaven, Germany Weekly conferences to interested school classes and museum visitors

14 Megaconference2 Presentations 10.LSVNP - A Managed Prototype for H.323 Zones 11.Using H.323 for Course Development at a Distance 12.A Multi-University Internet-based (H.323) Graduate Course in Turbulence 13.Distance Learning using H.323; A Singapore-MIT experience 14.Advanced Collaboration Tools to Support Multi-University Collaborative Learning in Organizational Communication

15 Collaborative Learning in Organizational Communication Noshir Contractor (UIUC), Presenter Fall 1998 to Fall 2000 Real-time Graduate Seminar Courses Globalization Social Network Analysis Communication Technologies & New Forms of Organizing Faculty at: University of Illinois Purdue University University of Southern California University of Pennsylvania University of California at Santa Barbara

16 Megaconference2 Presentations 15.Bodyworks: Medicine, Technology, and the Body in the late 20th Century 16.Tools for Extending Classroom Walls via the Internet 17.Student Collaboration in Learning About Political Communication 18.Oklahoma Distance Learning - Past, Present and Future 19.Tools for Clinical Case Conferencing 20.Pre-Service of Graduate Teacher Education Uses of H.323 Technology

17 Megaconference2 Presentations 21.Maintaining Security to Your LAN While Supporting Visual Communication for Business Meetings, Training and Sales Demonstrations 22.Streaming H.323 Videoconferences Over the Internet 23.University of Venice Experiences

18 Collaborative Video Conferencing Services over Internet2 Initiative Provide a service that is intended to enable one-to-one, one-to-group, and group-to-group collaborative conferencing in support of personal communication, meetings, conferences, and shared education for Internet2 members (primary and sponsored) and their international counterparts.

19 Basic Tenets of Service Independent of geographic or national boundaries Video conferencing viewed as current best collaborative environment Gateways between technologies will be necessary Gateways must be transparent to end users Need to consider voice/telephony integration

20 Key Technical Issues A Global Dialing Plan A Global Directory Service A Scheduling Mechanism for the use of shared resources Improvements and coordination in “back room” functionality and control Interoperability with other significant communication services (gateways)

21 Key Technical Issues (Continued) QoS Multicast H.235 Security Authentication Authorization Privacy Non-Repudiation

22 I2DV Steering Committee I2DV-VC Sub-Committee White Paper Developers Implementation Plan Development Team Service Implementation Team Funding Task Force Operations Task Force Research & Development Task Force Outreach & Communication Task Force Collaborative Video Conferencing Services over Internet2

23 Proposed Prototype Service Focus on deployment not research Start with single technology Recommended that that prototype service be based on H.323 technology Based on contributed resources Based on distributed management Based on distributed systems Emphasis on Gateways (centralized if necessary)

24 H.323-Based Video Conferencing in the Educational Environment Presented at the Campus Focused Workshop on Advanced Networks By Larry Amiot Northwestern University & Internet2 Staff


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