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The Access Grid

The Access Grid. An Introduction. Rick Stevens, Terry Disz, Lisa Childers, Bob Olson Argonne National Laboratory www.mcs.anl.gov/fl/accessgrid (fl-info@mcs.anl.gov). Physical Node Design. Presenter mic. Spaces for small groups Wide field of view Comfortable Persistent connection.

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The Access Grid

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  1. The Access Grid An Introduction Rick Stevens, Terry Disz, Lisa Childers, Bob Olson Argonne National Laboratory www.mcs.anl.gov/fl/accessgrid (fl-info@mcs.anl.gov)

  2. Physical Node Design Presenter mic • Spaces for small groups • Wide field of view • Comfortable • Persistent connection Presenter camera Ambient mic (tabletop) Audience camera

  3. Audio • Hands free • No click to talk • No searching for microphones • Never have to think about microphones • Interactive • Interrupt other speakers • Multiple conversations at the same time • Full duplex • Clear • No background noise • Rich-sounding speech • No feedback • No echo

  4. Video • Scale of imagery life-sized • Highest quality, but affordable • Multiple video streams • Presenter close-up • Audience view • Audience close-up • Display wall

  5. Data • Shared • Powerpoint • VNC • Visualization • Archived • Voyager

  6. Network • Hardening multicast infrastructure • http://beaconserver.accessgrid.org:9999/ • Large-scale networking testbed • Higher bandwidth • QoS • Networking people active members of the AG community

  7. The Muds • Two muds are used in the AG community • Access Grid Hangout Room • Character generation is controlled • Characters reside there permenantly • Long-term social relationships have developed • Access Grid Venue • Character generation is automatic • Characters come and go • Usage is event-driven

  8. Virtual Collaboration Spaces Virtual Venue • A persistent location on the grid • Not a physical space • A dimension in which several physical spaces can be co-located • A place that can be entered and exited • Supports multiple interaction modalities • Text, audio, video graphics, animation, VR • A scoping mechanism to support multiple concurrent meetings • A resource that can be reserved

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