Chapter 2. Positioning 19
2.4 NeXtScale System versus Flex System
Although NeXtScale System and Flex System are both “blade” architectures,
they are different in their approach, as shown in Figure 2-5 and Table 2-2 on
page 20. The key here is to understand the client philosophy. Features and
approaches in Flex System and NeXtScale System appeal to different kinds of
users.
Flex System has a wide ecosystem of compatible servers (x86 and POWER®),
switches, and storage offerings. It is aimed at clients that are looking for an
optimized and integrated solution that delivers better performance than
competitive offerings.
NeXtScale System is an x86-only architecture and its aim is to be the perfect
server for clients that require a scale-out infrastructure. NeXtScale System uses
industry-standard components, including I/O cards and top-of-rack networking
switches, for flexibility of choice and ease of adoption.
Figure 2-5 Comparing Flex System with NeXtScale System
Systems with integrated expertise to
deliver lower management costs and a
simplified user experience
Client needs: A pre-integrated, pre-
optimized, complete hardware and
software platform with built-in stack
management to develop and deliver new
business applications quickly and cost
effectively.
Designed for scale-out applications
such as Technical Computing,
Cloud, Grid and Analytics
Client needs: For clients looking to
build a customized solution that is
delivered pre-integrated leveraging
their existing management and
networking stacks.
IBM PureFlex and Flex System
IBM NeXtScale System
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