"The idea of workload portability is a topic that has been the nirvana for enterprise organizations for years. The ability to move any workload to the cheapest, most secure, fastest environment at will... However, in cloud, just like on-premises, the environments have some fundamental differences that require remediation work to be performed, depending on multiple factors such as the operating system, programming language etc."
"Shifting a workload from one provider to another might be a straightforward task if all the clouds were the same. The problem is that they aren't, and there are various barriers to actually changing provider... there are differences in APIs and protocols between clouds, not to mention features in the services on offer by the various providers, to name just a few of the technical barriers to portability."
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