Matti, You asked why it has form n * (n-1). IMHO, the server gets the stream from every user, and sends this stream to every user except the stream producer. Each user watches local video of herself.
Thanks. 2009/10/22 Matti Laakso <[email protected]>: > > About bandwidth > > To Alexei's calculation 12*(12-1)...why isnt it like this kb * > (users-1) * (users-1) > So kb*11*11 because in 12people conference I am sending to 11 people, > and so is everyone else. Where does that first 12 in your calculation > come from? > > > Someone give the perfect answer for this setup: 5 people in a > conference room with audio only. My opinion is with best quality: 16kb > * 4 * 4 or am I calculating something terribly wrong :D ? > > > On Oct 21, 3:44 pm, Alexei Fedotov <[email protected]> wrote: >> Allan, >> The required server bandwidth grows as a squared number of users (for >> your case, there should be 12 * (12 - 1)). >> >> >> >> On Wed, Oct 21, 2009 at 4:38 PM, Allan Pinto <[email protected]> wrote: >> >> > how much would it be for 12 users with only video, 16k x 12 ? >> >> > On Wed, Oct 21, 2009 at 12:30 PM, Sebastian Wagner >> > <[email protected]> wrote: >> >> hi, >> >> >> the values from the config.xml are right for a 1:1 meeting where I >> >> broadcast >> >> my audio/video and the other person broadcasts its audio/video in a >> >> Conference Room at default settings. >> >> >> As soon as multiple users are in a room and .. for example one person >> >> shares >> >> nothing, the other only audio, the third one resize the video pod to >> >> 640x480 >> >> and then republishes the webcam... you see there are many way to influence >> >> it either positive ... but also negative: You can make the Video-Pods >> >> Default sizes much smaller and you will see that the bandwidth usage will >> >> be >> >> smaller. >> >> >> So the problem here is that I can only get you numbers depending on a >> >> certain scenario. >> >> >> sebastian >> >> >> 2009/10/21 Peder Hedlund <[email protected]> >> >> >>> According to >> >>>http://code.google.com/p/openmeetings/wiki/BandwidthNetworkSettings a >> >>> conference room requires 16 kBit down and 10 kBit up. >> >>> In the login window the Quality popdown switches between Best=16kBit up >> >>> (default) and medium=10kBit. >> >>> In the config.xml it states that Normal=16kBit and Best=48kBit >> >> >>> So, which one is correct and what numbers should I use to predict >> >>> bandwidth requirements for default sessions? >> >> >>> Regards, >> >> >>> Peder >> >> >> -- >> >> Sebastian Wagner >> >>http://www.webbase-design.de >> >>http://openmeetings.googlecode.com >> >>http://www.laszlo-forum.de >> >> [email protected] >> >> > -- >> > Thanx and regd's. >> >> > Allan. >> >http://www.in2dwok.com >> >> -- >> With best regards / с наилучшими пожеланиями, >> Alexei Fedotov / Алексей >> Федотов,http://www.telecom-express.ru/http://harmony.apache.org/http://www.expressaas.com/http://openmeetings.googlecode.com/ > > > -- With best regards / с наилучшими пожеланиями, Alexei Fedotov / Алексей Федотов, http://www.telecom-express.ru/ http://harmony.apache.org/ http://www.expressaas.com/ http://openmeetings.googlecode.com/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "OpenMeetings User" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/openmeetings-user?hl=en -~----------~----~----~----~------~----~------~--~---
