1. WebEx and Comparison of WebEx, Centra, PlaceWare, Latitude
Sangyoon Oh
and Hasan Bulut
Florida State University
CSIT (School of Computational Science and Information Technology)
400 Dirac Science Library
Tallahassee
Cover
9/20/2018

2. WebEx: Introduction
WebEx is meeting-enabling Web Tool. (
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
9/20/2018

3. 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
9/20/2018

4. 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
9/20/2018

5. WebEx: Architecture
Host
Attendee
WebEx Server
9/20/2018

6. WebEx: Example
9/20/2018

7. 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
9/20/2018

8. WebEx Centra Latitude WebSite Access Browser Shared Export Annotation
Placeware
Latitude
WebSite
Access
Browser
Shared Export
Any printable document can be shared.
Anyone can zoom in or out.
Uses vector based image format.
Anyone can annotate (no pointer problems).
Only Power point slides supported.
No resizing or zooming.
PPT slides converted to gif images.
Anyone can annotate
PowerPoint, Excel, Word
Annotation Y
9/20/2018

9. Y but client software required
WebEx
Centra
Placeware
Latitude
Shared Display
Any application or entire desktop can be shared. Anyone can share applications given permission.
Annotation is possible (only drawing curves, no text or geometric shapes) Remote control is supported. The quality is fair. The performance is best.
Any application or entire desktop can be shared. Presenter or co-presenters can share applications .Shared application can be any size. No annotation. No remote control. The quality is good. The performance is fair.
A selected rectangular area on the desktop is broadcasted to clients. Anyone can do shared display given the permission. No annotation. No remote control. The quality is good. The performance is fair.
Y but client software required
Shared
Web Browser 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.
Not Evaluated
9/20/2018

10. WebEx Centra Latitude Text Chat Y * Audio N Video Placeware Whiteboard
Uses either phone or third party audio such as Lipstream
Built in Audio Half Duplex (CentraNow) Full Duplex (CentraOne and Symposium)
No audio except Phone N
Video
Y (presenters only)
Polling/Voting
Q&A(student-presenter)
Automatic notification of schedule
Y via Fax or
9/20/2018
* Integration with standards-based T.120 applications, such as Microsoft NetMeeting, lets users to share and collaborate on documents, whiteboard and chat.

11. - Java-enabled Web browser
WebEx
Centra
Placeware
Latitude
Recording of Sessions
WebEx Recording & Playback enables recording and playback of live sessions.
All annotations, shared display and whiteboard discussions are recorded and replayed during the playback.
Centra Recorder™ lets users to record live sessions and Centra Producer™ lets users edit recordings frame-by-frame.
We did not test any of these.
Voice played back either using Real Player or Windows Media Player and content is shown on the browser as gif images synchronously.
Gif images are static and no movement is played back. Y
Client Requirements
Java-enabled browser. Automatic installation of client when accessed for the first time.
Java-enabled browser for Centra Conference. Separate client for Centra Symposium.
Java-enabled browser.
(The MeetingPlace Data Conference Option) - One of the following T.120 applications: NetMeeting, SunForum,  HP Visualize, SGImeeting
- Java-enabled Web browser
9/20/2018