As a value-added reseller (VAR) or systems integrator (SI), you need to know what Microsoft has done to improve OS security with Microsoft Windows Vista. Understanding changes to TCP/IP is the first step.
The Windows TCP/IP stack was significantly beefed up in Windows Server 2003 and Windows XP, and in service packs for these platforms, to include selective acknowledgements, TCP receive window scaling, dead gateway detection, and other tweaks that made it perform better and more reliably than Windows 2000's stack performed. But, under the hood, Windows Server 2003's stack was still pretty much the same old stack developed in the early 90s for the Windows NT platform.
Get more details on why Microsoft Windows Vista is desirable for large enterprises that require optimal throughput on their WAN links, enhanced security for remote client VPN connectivity, and greater performance for wireless networks.
About the author
Mitch Tulloch is a writer, trainer and consultant specializing in Windows server operating systems, IIS administration, network troubleshooting, and security. He is the author of 15 books including the Microsoft Encyclopedia of Networking (Microsoft Press), the Microsoft Encyclopedia of Security (Microsoft Press), Windows Server Hacks (O'Reilly), Windows Server 2003 in a Nutshell (O'Reilly), Windows 2000 Administration in a Nutshell (O'Reilly), and IIS 6 Administration (Osborne/McGraw-Hill). Mitch is based in Winnipeg, Canada; you can find more information about his books at his website www.mtit.com.