Basic HTML version of Foils prepared January 31 99

Foil 13 Network Architecture

From Experiences using TangoInteractive in Distance Education Education Session SC98 Orlando -- November 8-12 1998. by Nancy McCracken
1 We first used an ordinary Internet connection provided by NYSERNet, Sprint, ICP and BBNplanet. (Fall 1997 and most of Spring 1998)
  • NPAC --> JSU (21 routers) 20-40 Kbps
  • JSU --> NPAC (17 routers) 500 Kbps
  • only supports audio, not video. Any significant packet loss at a router can cause streaming audio problems.
2 Improved network connection by installing T1 link between JSU and CEWES at Vicksburg, and going directly from Sprint to DREN (Defense Research and Engineering Network). Late Spring - Fall 1998.
  • after significant interaction with network administrators:
  • NPAC --> JSU (20 routers) 700 Kbps
  • JSU --> NPAC (19 routers) 700 Kbps
  • supports both audio and (2-way) video streams.
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