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
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.
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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