An Overview of Zero Outages Service: How Can it be Achieved
When it comes to web hosting and collocation it is an
absolute myth that there will be no downtime, and that goes for the more
traditional web hosting and data center providers as well. It is common place
for a typical managed hosting customer to have at least one outage in twelve
months according to Gartner. The outages in question are mostly related to
hardware failures and misconfiguration by the service provider. But, there are
some customers who are lucky enough not to experience any outages at all even
with complex managed hosting.
According to research, collocation facilities in America are
build under Tier III standards which provides availability of around 99.99%,
while in Europe, these facilities are built under Tier II standards and
provides an availability of around 99.75%. While these are just numbers based
on data gathered by many enterprise data centers, they don’t actually guarantee
that you will not have an outage, which vary according to its tenant
constituency.
The Perfect Cloud Experience
In order to win the trust of those who are skeptic of the
cloud, data center operators are working hard to implement consistent
management for their products. For instance, more and more data centers are
working towards high availability of services which basically means that their
systems could run to an availability of nearly 100%, meaning zero outages or a
single outage lasting a total of just five minutes per year.
Those data center operators who are attempting to offer
their clients with the perfect cloud need to first discover failures or
potential failures in their systems as they arise, and then take the necessary
steps to prevent them from causing further damage by occurring in the future. Apart
from that, the root cause of every failure needs to be analyzed very carefully
to make sure it doesn’t occur again. It should also be noted that most outages
are often times the result of software issues instead of the cloud
architecture.
Besides that, customers should not expect zero outages if
they are using a public cloud which by definition, is in the public internet
and therefore susceptible to downtime. This is the reason why many service
providers offer no charge for using the public cloud. While using the public
cloud does mean getting unlimited gigabytes of storage space and not having to
pay for it, the caveat is you will have to do without the crucial support
services.
Ending Note
While outages vary in magnitude, all of them have one thing
in common, they cause can cause an organization a lot of money. In fact,
according to a survey done by the Aberdeen Group back in 2010, outages of just
a few minutes in a year can result in a loss of USD$70,000. It gets worse for
ecommerce sites where one hour of downtime in production can result in a loss
of USD 100,000, while banks can lose anywhere between USD $1 to USD $2 million
in just one hour of downtime.
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