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RDP and VNC protocols The Microsoft Remote Desktop Protocol (RDP) Provides remote display and input capabilities over a network connection for Windows-based applications. The RDP protocol has been around since Windows NT Server 4.0 and has been updated regularly with each new version of Windows software. RDP is based on an extension of the ITU T.120 family of protocols. The two main versions are RDP 4.0 and RDP 5.0. The new versions (5.0 and 5.1) are backwards compatible with the older version, and among the difference between RDP 4.0 and RDP 5.0 are that the latter supports improved compression and caching, and clipboard mapping. RDP is semantic. The RDP is aware of controls, fonts, and other similar graphical primitives. This means that when rendering a screen across a network, this information is used to compress the data stream significantly. For instance, if you know that this region of the screen if occupied by a button, with the color grey, then you don't need to s...

Troubleshoot Internet connection problems Troubleshooting Internet connection problems can be a challenge because there are so many possible causes. First, try these steps: Open Network Diagnostics by right-clicking the network icon in the notification area, and then clicking Diagnose and repair. Make sure that all wires are connected (for example, make sure your modem is connected to a working phone jack or cable connection, either directly or through a router). Reset your modem and router. Remove the power cord from the modem and/or router, wait at least 10 seconds, and then plug the modem and/or router back in. Check your router. Because of the new networking features in Windows Vista, some older network routers are not fully compatible with Windows Vista and can cause problems. Slow internet connections happen for various reasons, even when you pay for a 'high-speed connection' like DSL or cable. Because the internet (and ...