IBM Systems Magazine, Power Systems - March 2018 - 15
systems running SUSE Linux
Enterprise Server 11 and AIX.
They have since made plans for
additional Power Systems servers
to support SAP Business Suite on
HANA and BW.
International Banking Company
A large international bank
headquartered in Latin America
ran its core banking applications
on a mix of older x86- and
Itanium-based servers. The age
of these servers made them
subject to unplanned outages,
and they struggled to deliver
the performance the bank
required for its mission-critical
As the bank planned for future
infrastructure requirements, IT
leaders knew they needed to
resolve some key issues, not the least of which was
to consolidate their core banking applications onto a
single standardized platform with the lowest possible
operational cost. They also had growing concerns
around the rising energy and space consumption
issues sparked by unchecked server sprawl.
The bank worked with IBM's IT Economics team
to build a technical and financial business case
to determine the feasibility of consolidating all its
core banking applications to IBM Power Systems
versus continuing to run these applications on
IBM's sizing projections were based on the client's
assumed 30 percent annual compound growth rate
on CPU and memory requirements. Applying these
projections, the financial model bore a $15 million
savings potential over a period of five years by
consolidating to POWER versus x86 (see Figure 1, page
14). This was largely achievable due to the three-to-one
per core performance advantages of POWER8 over
available x86 processor technologies coupled with
higher sustainable utilization rates experienced on
Power Systems enterprise systems.
Analysis for the bank's
workloads showed that the POWER
solution would require roughly
one-tenth the number of cores
required by the x86 alternative.
This significant reduction would
help the bank achieve a savings
of $18 million in Oracle licensing,
service and support costs.
Moreover, this move would lead to
a 58 percent reduction in annual
operating expenses as well as a
90 percent reduction in electrical
Most importantly, the
availability of Power Systems
Capacity on Demand (CoD)
capabilities would enable the bank
to meet its anticipated growth rates
without investing in additional
servers down the road.
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ibmsystemsmag.com MARCH 2018 // 15