By Cloud Computing SpunjePublished: November 18, 2009Posted in: Business Intelligence, Cloud Solutions, Opinions & ExplanationsTags: 
You’ve probably seen a hundred — or even a thousand — articles criticizing cloud computing service-level agreements (SLA). A common example in those articles is the putatively low Amazon Web Services SLA. Typically, authors of these kind of articles go on to cite recent outages by cloud providers, implying (or stating directly) that cloud computing falls woefully short of the true SLA requirements of enterprises, often described as “five nines,” i.e., 99.999% availability.
Left unsaid in these articles is the assumption that enterprise data centers operate at far higher availability rates than cloud providers. Frankly, I’m unconvinced of this. It seems that nearly every time I contact a large company’s support, the very nice call center representative apologizes for a delay caused by “the computer running slow this morning.” Plenty of people I interact with fume because their e-mail is down, etc. So the comparison slighting cloud providers versus internal data centers may be inaccurate; however, it may be that the accuracy is in fact, unprovable, as many enterprises do not actually measure real-world SLA performance.
http://www.computerworld.com/s/article/9141005/Cloud_SLAs_A_contrarian_view
It seems that nearly every time I contact a large company’s support, the very nice call center representative apologizes for a delay caused by “the computer running slow this morning.”
You’ve probably seen a hundred — or even a thousand — articles criticizing cloud computing service-level agreements (SLA). A common example in those articles is the putatively low Amazon Web Services SLA. Typically, authors of these kind of articles go on to cite recent outages by cloud providers, implying (or stating directly) that cloud computing falls woefully short of the true SLA requirements of enterprises, often described as “five nines,” i.e., 99.999% availability.
Left unsaid in these articles is the assumption that enterprise data centers operate at far higher availability rates than cloud providers. Frankly, I’m unconvinced of this. It seems that nearly every time I contact a large company’s support, the very nice call center representative apologizes for a delay caused by “the computer running slow this morning.” Plenty of people I interact with fume because their e-mail is down, etc. So the comparison slighting cloud providers versus internal data centers may be inaccurate; however, it may be that the accuracy is in fact, unprovable, as many enterprises do not actually measure real-world SLA performance.
http://www.computerworld.com/s/article/9141005/Cloud_SLAs_A_contrarian_view
It seems that nearly every time I contact a large company’s support, the very nice call center representative apologizes for a delay caused by “the computer running slow this morning.”
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