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Composable Architecture

Introduction

There has been a change in basic assumptions by which the software selections happen in an organization. Though principles, policies, and guidelines dictate the same, in most cases the following factors have a direct bearing in the selection of products, technologies, and development:

  • Existing skills within an organization
  • Availability of the chosen skill in the market
  • Protection of existing investment in infrastructure, IP, human resources
  • How the chosen product/technology deals with the existing IT landscape
  • And of course, other tangible benefits such as TCO, ROI, time to market, etc.

Let us get into the brass tacks of composable architecture. Every architecture is made up of domains and capabilities mapped to the domains. Each capability can be fulfilled by one or more solution components and vice versa.

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Mainframe Modernization Acceleration Through OpenShift

Mainframes have evolved significantly from being a legacy platform to incorporating some of the best cloud capabilities over the recent years. Mainframes have truly been one of the most reliable platforms for business-critical workloads for several years if not decades.  The mainframe has been looked at as a growth area in many recent surveys as below:

  • 90% of survey respondents see the mainframe as a platform for growth with compliance and security, cost optimization, mainframe modernization, data recovery, staffing and skills, and Implement AI / ML technologies as top focus areas (BMC Mainframe Survey 2020)
  • 74% have long-term viability of Mainframe as a strategic platform whereas 66% would never fully replace Mainframes.

The fact that >50% of enterprise application transactions touch the mainframe is a key indicator of its significance and relevance when enterprises are trying to modernize their IT estate. Also, the new generation of Mainframes - IBM Z and LinuxONE Enterprise systems are also being built with capabilities to support modern cloud-native and AI workloads.