Unfortunately, public clouds
also have drawbacks that concern many IT professionals. The concern most often
cited is security. Public clouds operate beyond the firewall, which is in itself
a serious issue. Beyond that, many of the regulations that govern the
transmission and storage of sensitive data require that companies maintain
physical control over the systems where that data is stored. These include
SAS-70, Sarbanes-Oxley (SOX), Gramm-Leach-Bliley (GLB), Payment Card Industry
Data Security Standards (PCI DSS) and the Health Insurance Portability and
Accountability Act (HIPAA). In a cloud, physical control over data is difficult,
if not impossible, to achieve. In fact, “where” data is stored at any given
moment may be an unknown.
A second issue is control.
There are literally dozens of areas related to the management of infrastructure
where IT organizations lose control when they move to a public cloud. These
range from access control, to ensuring the 24/7 availability of necessary
resources (compute, memory, networking and storage I/O), to the presence of
adequate back-up power, to disaster recovery.
Finally, there are potential
legal issues. Litigation involving data — or any data center function — takes
place under the laws of the country where the data is physically. stored. If a
U.S.
Netnørderne er tilbage med videndeling om Cloud-løsninger i januar 2013 gå-hjem møde kl. 17 - 19 i Nørrebro Bryghus, Kælderen i Ryesgade 3.
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