Debunking Windows Vista's Remote Differential Compression Myth

Remote Differential Compression (RDC) is a Microsoft algorithm that was originally created for DFSR five years ago. RDC divides a file’s data into chunks by using signatures. When a file exists on two computers and the file is modified, only the differing chunks need to be sent to the other computer. This post walks you […]

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Remote Differential Compression (RDC) is a Microsoft algorithm that was originally created for DFSR five years ago. RDC divides a file’s data into chunks by using signatures. When a file exists on two computers and the file is modified, only the differing chunks need to be sent to the other computer. This post walks you through removing the Remote Differential Compression (RDC) feature from Windows Vista to make your file copying faster over the network. An application needs to be specifically written to support RDC. Windows Vista and Windows 7 include MSRDC.DLL to allow apps like Windows Live Messenger to use that functionality. The feature can be turned on and off within the Control Panel “Program and Features” applet. When turned on, the MSRDC.DLL will exist in the %SYSTEMROOT%\System32 directory. When it’s turned off, this DLL is removed.

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Deepak Gupta is a IT & Web Consultant. He is the founder and CEO of diTii.com & DIT Technologies, where he's engaged in providing Technology Consultancy, Design and Development of Desktop, Web and Mobile applications using various tools and softwares. Sign-up for the Email for daily updates. Google+ Profile.