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Participant
April 14, 2011
Question

Participant Video Limits

  • April 14, 2011
  • 1 reply
  • 1164 views

With the Hosted Connect product what is the limit for particpants to be concurrenty transmitting and sharing their webcam video. Is it reasonable for 15 users to be sharing their video stream concurrently. In testing this we see very stuttery video. A dual core machine is used for the Host on a 15 meg cable Internet service.

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    1 reply

    April 15, 2011

    There is no limit for webcam video really.

    We have many customers like the Army that have 15-20 people all using their webcams. The limit is your cable line at 15 megs. Each user is using about 380-500K when broadcasting. Most cable providers do not provide dedicated network service but pool that line for everyone in your neighborhood. So, even though you have a 15MB line, you could really be getting 2 MB if everyone is using that shared resource at the same time. That is one of the weaknesses of using a cable provider for your ISP. Alternate technologies like Fiber Optic offer dedicated line to the ISP rather than a shared resource.

    Run a speedtest of your line using www.speakeasy.net/speedtest

    That will tell you at any moment how good your connection is.

    Keep in mind that it is recommended when using video that you should never be using a wireless connection since many wireless networks can't really handle the load and there are a lot of packets re-broadcast which is never good for video. Suggest a wired connection whenever using any web conference solution.

    If you are seeing video stutter, that indicates network latency which is caused by router contention (too many packets going thru the pipe) or network proxy servers causing slowdowns, or being too far away from the Connect Server (i.e. server is in the U.S. but you as meeting host with webcam are in China trying to do a webcast....way too far away to have a decent video experience....you would need a much fatter internet connection and that connection would have to be dedicated to your traffic if that far away). Distance is always an issue when using any video as the farther away you are from the server the more latency happens. This is tru with all web conference tools. Best to use a server in the same country as where you are located to get the best experience.

    My experience is that DSL and Cable type internet connections are not great at providing quality network for business grade things like video, Those networks are fine for the home but they are always subject to neighborhood traffic volumns and routers that are not business grade. They are good for email and chat but when it comes to video camera broadcasting your mileage will vary all depending on the provider.

    Hope that helps.