http://enfranchisedmind.com/blog/posts/twitter-and-blogging/ programming, politics, & other religious issues Wed, 08 Feb 2012 14:16:00 +0000 hourly 1 http://enfranchisedmind.com/blog/posts/twitter-and-blogging/#comment-34105 wan acceleration Fri, 23 Jan 2009 09:26:18 +0000 http://enfranchisedmind.com/blog/?p=660#comment-34105 John sums up telepresence from a network perspective, "Telepresence is an interactive real- time application, which means it is delay sensitive, loss sensitive and jitter sensitive. This sounds familiar: it is just like VoIP, with the one difference being that it has huge bandwidth requirements." It's that last part that makes things more difficult. No form of QoS can allocate bandwidth that doesn't exist and it doesn't have provisions to force the application to downscale the experience based on realtime metrics. ... John sums up telepresence from a network perspective, “Telepresence is an interactive real- time application, which means it is delay sensitive, loss sensitive and jitter sensitive. This sounds familiar: it is just like VoIP, with the one difference being that it has huge bandwidth requirements.” It’s that last part that makes things more difficult. No form of QoS can allocate bandwidth that doesn’t exist and it doesn’t have provisions to force the application to downscale the experience based on realtime metrics. …

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