WebEx and Comparison of WebEx, Centra, PlaceWare, Latitude Sangyoon Oh (
[email protected]) and Hasan Bulut (
[email protected])
Florida State University CSIT (School of Computational Science and Information Technology) 400 Dirac Science Library Tallahassee 11/11/09
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WebEx: Introduction WebEx is meeting-enabling Web Tool. (www.webex.com) WebEx is on-line Collaboration tool ,which needs only Internet Connection and Browsers for both Host and Attendee WebEx is pay-per-use (limited capabilities for free meeting) “ASP” (i.e. provides service not just technology) WebEx has many meeting/class enabling features
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WebEx: Features I Presentation Sharing : Document presentation Application / Desktop / Web Tour Sharing : Share control of the Application / Desktop / Browser. Attendee given control by Host Audio-Video Conferencing : Teleconferencing utilize the conventional phone or Internet
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WebEx: Features II Quiz / Live Polling : Give Question to or poll attendee Chat Room : Chat allows different level of privileges White Board Shared “export” features virtual printer model that enables separate scaling on each client
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WebEx: Host
Architecture Attendee
WebEx Server
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WebEx: 11/11/09
Example 6
WebEx:
Usage for Education
WebEx is appropriate tool for small size distance learning class. Host doesn’t have to be a expert at Collaboration tools
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WebEx WebSite
Access Shared Export
Annotation 11/11/09
Centra
Placeware
Latitude
http://www. http://www. http://www. http://www.la webex.com centra.com placeware.com
Browser
Browser
Browser
Any printable Only Power point Only Power point document can be slides supported. slides supported. shared. No resizing or No resizing or Anyone can zoom zooming. zooming. in or out. PPT slides PPT slides Uses vector based converted to gif converted to gif image format. Anyone can annotate (no pointer
images.
images.
Anyone can
Anyone can
problems).
annotate
annotate
Y
Y
Y
Browser PowerPoint, Excel, Word
Y8
WebEx Shared Display
Shared Web Browser 11/11/09
Centra
Placeware
Any application or Any application or A selected entire desktop can entire desktop can rectangular area on be shared. Anyone be shared. the desktop is can share Presenter or cobroadcasted to applications given presenters can clients. Anyone can permission. share do shared display applications given the Annotation is .Shared application permission. possible (only drawing curves, no can be any size. No No annotation. No annotation. No remote control. The text or geometric remote control. The quality is good. shapes) Remote control is supported.quality is good. The The performance is The quality is fair. performance is fair. fair. The performance is best.
N
N
Limited support. It does not provide a synchronized web tour nor does it pass events such as page down or up. Only points the browsers to a common URL initially.
Latitude Y but client software required
Not Evaluated
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WebEx
Centra
Placeware
Latitude
Text Chat
Y
Y
Y
*
Whiteboard
Y
Y
Y
* N
Audio
Built in Audio Uses either No audio Half Duplex phone or third except Phone (CentraNow) party audio Full Duplex such as (CentraOne and Lipstream Symposium)
Video
Y (presenters only)
Y
N
N
Polling/Voting
Y
Y
Y
N
Q&A(studentpresenter)
N
N
Y
N
Automatic notification 11/11/09 of schedule
Y
Y
N
Y via Fax or email
10 * Integration with standards-based T.120 applications, such as Microsoft NetMeeting,
WebEx
Centra
Placeware
Latitude
Recording &Centra Recorder™ Voice played back Recording WebEx Y Playback enables lets users to record either using Real and live sessions and Player or Windows of Sessions recording playback of live Centra Producer™ Media Player and sessions. All annotations, shared display and whiteboard discussions are recorded and replayed during the playback.
Client
Requirements
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lets users edit recordings frameby-frame. We did not test any of these.
content is shown on the browser as gif images synchronously. Gif images are static and no movement is played back.
Java-enabled Java-enabled Java-enabled browser. browser for browser. Automatic Centra installation of Conference. client when Separate client accessed for for Centra the first time. Symposium.
(The MeetingPlace Data Conference Option) - One of the following T.120 applications: NetMeeting, SunForum, HP Visualize, SGImeeting - Java-enabled Web browser 11