On 12 May 2011 a free webinar was presented by The Africa eLearning Service Network (AeLSNet). It was presented in Windhoek, Namibia. The presenter used the online conferencing tool www.anymeeting.com.
The webinar did not happen though due to a technical problems that the presenter could not share his screen. He has stated however that he used this tool before and that he had no problems in those incidents. It would seems that we had just an unlucky day perhaps. The webinar would be rescheduled.
My main aim for this webinar was to observe an online training session and capture the traffic data with Wireshark. I would also be using a screen recording tool to allow me to be able to put timing information on the Wireshark captured against activity in the training session.
The presenter had video and audio broadcast. People joined the session from different countries in the world such as Tbilisi, Mongolia, Yerevan , Georgia and Sri Lanka. About 20 people were to join from what I understood.
Although I could not get a full application sharing session, I did get a Wireshark capture of the video and audio broadcast by the presenter for the time spend waiting for people to connect and when the presenter introduced himself. Analysis of these Wireshark capture would be posted on this journal. The data from the Wireshark capture for the video and audio should be helpful for determining the data for application sharing.
The Objectives of the webinar was:
This free webinar (online/web seminar) provides practical information of strategies to be considered by small and medium sized organizations to get the best Return on Investment (ROI) when developing eLearning.
Items included will be Authoring Tool selection, eLearning creation and eLearning deployment. This webinar will include valuable information on how to introduce eLearning to your organization and produce success.
ADDITIONAL NOTES: The results of the webinar is as follows. The network stats as indicated by the Anymeeting system were:
- latency about 360 msec and sometimes up to 1.07 sec
- download at about 77 kbits/sec
Video and audio was on from the presenter, but sound was breaking. The Wireshark capture is as follows. There are two files. Summary of the first one shows:
- Elapsed time : 1661.058 sec (27:45)
- Average MBit/sec : 0.021
- Average packets/sec : 7.708
- Average packets size : 348.244 bytes
- Data transferred : 4.252 MB
Summary of second file is :
- Elapsed time : 241.106 sec (4:01)
- Average MBit/sec : 0.100
- Average packets/sec : 37.009
- Average packets size : 336.765 bytes
- Data transferred : 2.866 MB
The Wireshark capture also show that the Real Time Messaging Protocol (RTMP) protocol is used. Wikipedia accessed 22 August 2011 states ,”Real Time Messaging Protocol (RTMP) was initially a proprietary protocol developed by Macromedia for streaming audio, video and data over the Internet, between a Flash player and a server. Macromedia is now owned by Adobe, which has released the specification of the protocol for public use.”
