Mainframes still mainstream
Millions of business transactions requiring huge volumes of data are executed on mainframe platforms.
New processors and chipsets in conjunction with native virtualization, and container technologies have enabled enterprises to continue to leverage their existing investment on mainframes. Messaging solutions for message exchange between mainframe applications and services hosted on cloud, and solutions that integrate mainframe workloads and data on-premise with digital systems of engagement on public cloud have helped modernization efforts. At operational and tactical levels, mainframe utility pricing models, license models, repurposing and processing through APIs will always trigger enterprises to continuously invest in the optimization effort of mainframe application workloads.
Longer time to market, inadequate skills, increase in total cost of ownership, and inflexibility to rapidly launch experimental workloads to support innovation plague enterprises that have mainframe footprint with legacy application portfolios.
On the other hand, enterprises that are not risk averse, go the modernization way riding on cloud-native services. They enjoy higher productivity and business agility, stronger business sustainability, faster time-to-market, and lower operating costs.
10R guidance framework
A comprehensive 10R guidance framework can help enterprises to apply best practices and categorize the mainframe application portfolios.
This framework acts on key input parameters such as mainframe application portfolio’s business value, technology obsolescence, life-cycle stage, roadmap plan and business criticality levels. It also helps categorize the mainframe application portfolios that are required to be:
Modernization and cloud transformation help reduce operational as well as upgrade costs.
The approach to mainframe modernization should cover end-to-end phases such as advisory, strategy definition, discovery, assessment, design, implementation, and change management. A key steppingstone for mainframe modernization journey is systems integrators and service providers who work jointly with key business, IT, and finance stakeholders of enterprises for creating:
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