1. Internet2 AdvCollab Apps http://www.accessgrid.org/ 1 Access Grid Vision To create virtual spaces where distributed people can work together. Challenges: –Globally Distributed Participants –Distributed Resources: Computational, Storage, Networks, and People –Coordination, Scheduling, Trust –Heterogeneous Collaboration Resources Solution: –Deploy a set of Collaboration Resources to serve as the platform for building the rest.

2. Internet2 AdvCollab Apps http://www.accessgrid.org/ 2 Architectural Overview

3. Internet2 AdvCollab Apps http://www.accessgrid.org/ 3 Wide of Client Platforms Supported Hardware 1.Advanced Node – Tiled Display, Multiple Video Streams, Localized Audio 2.Room Node – Shared Display, Multiple Video Streams, Single Audio Stream 3.Desktop Node – Desktop Monitor, Multiple Video Streams, Single Audio Stream 4.Laptop Node – Laptop Display, Single Video Stream, Single Audio Stream 5.Minimal Node – Compact Display, Single Video Stream, Single Audio Stream Supported Platforms 1.Windows XP/2000 2.Linux variants (RedHat, Slackware, Fedora, Debian, …) 3.Mac OS X (in the future)

4. Internet2 AdvCollab Apps http://www.accessgrid.org/ 4 Virtual Venues Client Enable face-to-face meeting activities What can be done: –Sharing Data –Shared Applications Applications: –Distributed PowerPoint –Shared Web browser –Whiteboard –Voting Tool –Question & Answer Tool –Shared Desktop Tool Integrate legacy single- user apps

5. Internet2 AdvCollab Apps http://www.accessgrid.org/ 5 PKI in the AG Each user has an identity cert Each server and service has an identity cert Communications use SSL (via Globus Toolkit™) SSL provides mutual authentication on each connection –Each peer knows identity of the other SSL provides confidentiality Authorization is the hard part

6. Internet2 AdvCollab Apps http://www.accessgrid.org/ 6 Major Issues and Hurdles Growing a user community –Standard hw/sw platform in v1.0 Security vs. Usability Drive Network Technology vs Rely on Network Stability Managing Good Software Development Tackling the Grid Audio (Room based, hands-free, full-duplex)