VMware is releasing a new technology, developed by Teradici that may greatly improve the performance of remote desktops, quintessence filling a gap in the Cloud Computing paradigm. It will allow the use of PCoverIP protocol instead of using slower methods like RDP.
PCoIP is a type of display protocol used by remote desktops when doing desktop virtualization. It delivers the desktop from the host server to the remote user, along with capturing mice and keyboard inputs. PCoIP also delivers HD audio, USB and the user display as well. PCoIP will enable VMware View to deliver the true PC experience that end-users are seeking, capturing high-resolution graphics and rich multimedia, as well as streaming movies and high-definition audio capabilities. In most cases, the user cannot tell that their PC is not at their desktop anymore.
While PCoIP implementations today are all hardware-based, VMware’s implementation will be all software based (Soft PCoIP) and will not require any additional hardware on either end. VMware’s software implementation of PCoIP uses Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) over port 50002. The TCP port is used for session establishment and control. The UDP port is used for optimal performance of media and streaming content. All traffic between the host server and remote user is encrypted with 128-bit Advanced Encryption Standard encryption.
VMware will use the software-only implementation of PC-over-IP to support users with 150-250ms latency. They’ll give them “basic” flash (think YouTube videos, not full-on Flash apps), voice over IP, remote printers, local storage, etc.
The implication is that you must plan and test for the deployment over a WAN environment that will produce realistic results, for example using Shunra Virtual Enterprise, to ensure user satisfaction and complete SLA compliance.
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