| Features | Access Grid | EVO |
|---|---|---|
| User Features | ||
| Installation | Download package and install | Register on web |
| Client Type | Application Binary, or experimental web client (portal) | Web client |
| Cross Platform | Yes (platform specific binaries) | Yes (java based) |
| Collaboration Tools | Extensive | Share desktop, whiteboard, chat |
| Room Based Usage | Yes | Yes |
| Desktop Usage | Yes | Common |
| Required user skill level | Moderate | Beginner |
| Recording | Separate Application | Yes |
| Open Source | Yes | No (but free through ARCS) |
| Low Bandwidth Connection | Possible | Yes |
| Camera Controls | Advanced | Simple |
| Audio Controls | Advanced | Limited |
| Use commodity PC webcam | Yes | Yes |
| Support Type | Open Source Community | ARCS Community and ARCS Developer (EVOGH) |
| Presence Indication | No? | Yes |
| Technical Features | ||
| Firewall | More difficult | Yes |
| NAT | Possible (requires additional project) | Yes |
| Default Codec | H261 | H261 |
| Other Codecs | MPEG-4, H264, H263, H263+, MJPEG | H263 |
| Interoperability | H323, SIP | |
| HDV/DV | Possible | No |
| Multicast | Predominantly | Possible |
| Unicast | Yes | Predominantly |
| Extensible | Yes | Proprietary |
Topic revision: r4 - 29 Jul 2008 - 05:42:01 - JustinBaker
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