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Rollout of H.323 Videoconferencing Service in Ohio: Resources and Challenges

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skyler
18 diapositives · 323 Views · Sep 28, 2014

This session, led by Linda Roos from OARnet, covers the rollout of H.323 videoconferencing service to 87 colleges and universities in Ohio. Initiated on January 1, 2002, the service aims to enhance connectivity and collaboration across educational institutions. Key topics include available resources, common challenges like firewall and NAT issues, and a certification program for site coordinators. OARnet’s advantages include extensive support staff and a robust infrastructure for high-quality videoconferencing, ensuring successful communication and reducing complications.

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  1. Rollout of H.323 Videoconferencing Service Linda Roos OARnet

  2. Today’s Session • Videoconferencing in Ohio • Resources available • Avoiding the Blame Game • Issues to be resolved

  3. Videoconferencing in Ohio • 87 Colleges and Universities in Ohio • Only H.323 • No plans for AGN or mpeg-2 • Testing in 2001 • Service initiated on January 1, 2002 • $960/year • Evolving process • Streaming a possibility

  4. Resources • Full-time engineering staff • NOC staff • ITEC-Ohio staff • Ohio State staff

  5. OARnet’s Advantage • ITEC-Ohio • H.323 Beacon • Used to qualify an H.323 videoconference • No manual intervention necessary • Existing tools expensive

  6. OARnet’s Advantage • Bob Dixon • Internet2 Commons second level support • Largest concentration of MCUs in world

  7. MCUs at OARnet/Ohio State • OARnet MCUs • Internet2 MCUs

  8. OARnet MCUs • Two Accord MGC100 MCUs • Each allows about 60 H.323 connections • One allows voice calls • One also allows ATM and ISDN connections • Three RadVision OnLan MCUs • Each has nine ports

  9. Internet2 MCUs • Accord MCG100 • 60 H.323 connections • RadVision Via IP • 50 H.323 connections • Gatekeeper built in • Six RadVision OnLan • 9 ports each

  10. Avoiding the Blame Game • Register • Site Coordinator Certification • Schedule Videoconference • Test, test, test • Conference

  11. Avoiding the Blame Game • Certified site coordinators • Mirrors Internet2 Commons effort • Offer bi-monthly classes • Self-certification possible • Must test to complete certification • Becomes a “Let’s Fix the Problem” Game • Class provides ideas on what can go wrong in local network

  12. Upcoming Workshops • Introduction to Videoconferencing February 27, 2002 $150.00 • Videoconferencing Certification Class March 26 and 27, 2002 $150.00 • Contact Julie Miller (jmiller@oar.net)

  13. Avoiding the Blame Game • Firewalls a problem • NAT a problem • Switched 10 mb ethernet • Full duplex • Mismatch of full and half duplex problematic • Older Polycom equipment (half duplex) • Cabling is important • CAT-5 is not always CAT-5 • CAT-5 enhanced or CAT-6 • Buy best cable available

  14. Avoiding the Blame Game • Adequate resources to do what you need to do • Personnel • Funding • Equipment • Transition from ATM to IP can be expensive • Staff training • Equipment Upgrades

  15. Issues to be Resolved • Dialing plan • Automated scheduling

  16. Dialing Plan • Currently do not have one • Evolving as videoconferencing world becomes more complex • Will be following VideNet plan • Started with decentralized plan • Every gatekeeper knew all • Hierarchical model (DNS-like)

  17. Automated Scheduling • Currently manual • Support Center • Internet2 Commons • Investigating Products • Expensive • Most only work with particular MCU • Algorithms could be complicated • Can run out of one resource before another • Some human intervention necessary

  18. Contact Information • Linda Roos OARnet 614.728.8100 x351 lroos@oar.net