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At one point in my career, I worked for a wealth management firm. We managed funds for various customers, a part of which was making trades in the financial markets. Various brokers and companies used our platform to run their business, and performance was always an issue. At the time we were an NT 4.0/SQL Server 6.5 shop, though we moved to Windows 2000 and SQL Server 2000 while I was there. While we were looking at upgrades, a number of potential customers asked why we weren't using AIX or Solaris or Linux. Management would come to a few of us technical leads to ask, and we usually had to provide some justification. Our success was hit and miss, though we did run into a few companies that were doing real time trading on the Windows platform, and a few of us had the chance to talk to them about how they managed their systems in an age when Windows hosts often needed patching, a requirement of which was rebooting. If you're interested, the company actually had a fairly server oriented architecture built on top of Windows, essentially managing work by just connecting to whichever boxes were running. Read the rest of No More Downtime |