LEARNING LOG NO. 11 IT Service Continuity
LEARNING
LOG NO. 11
IT
Service Continuity
The class was introduced to Service
Continuity Management.
The professor presented the Service
Continuity Management for IT services. He noted that in view of the strategic
dependency of many enterprises on the supporting IT services, the availability
and functionality of these services is today vital to the business. Enterprises
must therefore prepare for situations when services are massively disrupted and
perhaps unavailable for a lengthy period. Modern IT service continuity
management puts the emphasis on prevention. In coordination with the business,
IT takes measures to reduce the probability and the impact of system failures.
In an emergency case these help to reestablish the necessary IT infrastructure
within the agreed time and maintain the services under these conditions.
It was discussed that IT service
continuity management focuses on those emergency cases which are regarded as
significant enough by the business to develop into a disaster or a catastrophe.
Less significant failures are handled as incidents in the incident management
process. The decision on what is defined as a disaster varies from business to
business. The consequences of a business service failure such as for example
loss of sales or claims for compensation have to be determined in conjunction
with the business as part of a business impact analysis, depending upon the
downtime.
In my
opinion, with Service Continuity Management, the potential threats are
identified on the basis of the known weaknesses and the risk analyzed. IT
service continuity primarily covers the IT assets and configurations that
support these business processes. In a disaster situation IT service continuity
ensures the availability, within the stipulated period, of the measures and
standby solutions defined for preventative purposes in accordance with the
agreed business continuity strategy.
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