Windows beats rivals with 100% update servers uptime

Microsoft's Windows has beaten operating system rivals Mac OS X and Ubuntu in a three-month test of update server uptime, according to a Swedish monitoring company.

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Microsoft's Windows has beaten operating system rivals Mac OS X and Ubuntu in a three-month test of update server uptime, according to a Swedish monitoring company.

According to Pingdom AB, Microsoft's update servers were available to users 100% of the time during the three-month stretch of April, May and June, with no apparent down time.

Apple 's update servers, meanwhile, were offline for 2 hours and 34 minutes during that period (99.9% uptime) while the main repository of Ubuntu, one of the most popular consumer distributions of Linux, was dark for 1 day, 5 hours and 45 minutes (98.6% uptime).

In a post to its company blog last week, Pingdom outlined how it pinged the update servers and Ubuntu repository every five minutes during the second quarter. Any offline indication was confirmed from two different locations, said the company.

Pingdom monitored the Windows Update Web site URL www.update.microsoft.com, Apple's Software Update server at swscan.apple.com/content/catalogs/index-1.sucatalog , which contains the index necessary to receive new updates, and the main Ubuntu repository at archive.ubuntu.com.

Microsoft and Apple use their respective update services to provide security patches, other fixes and for larger-scale operating system upgrades. Ubuntu users, on the other hand, have a wide range of locations, including numerous mirrored sites, to download new versions of that Linux operating system, a fact not lost on Pingdom.

"It should be noted, though, that Ubuntu's repositories have mirrors around the world, so users can download packages from those as well," the company said in the blog post.

Ubuntu supporters stressed that, and other factors, as they defended their operating system in comments appended to the Pingdom blog.

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