Improving Video Performance in VNC Under Latency Conditions

Virtual Network Computing, or VNC, is a popular thin client application used to access files and applications on remote computers. However, VNC can suffer from significant losses in throughput when there is high latency between the client and server. These losses become especially apparent in the case of video, where updates are both large and frequent. In this work, the authors present a Message Accelerator proxy for VNC. This simple but highly effective solution mitigates high latency network effects for video performance while maintaining the advantages of a client-pull system. By operating near/on the server, it can send updates to the client at a rate corresponding to proxy-server interactions which are faster than client-server interactions.

Provided by: University of California, San Diego Topic: Networking Date Added: Dec 2009 Format: PDF

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