Gartner Research

The Top 12 Factors in Determining the Useful Life of Your IBM Mainframe

Published: 12 September 2014

ID: G00269416

Analyst(s): Mike Chuba

Summary

The criteria used to determine the useful life of an IBM mainframe is complex and has experienced a great many subtle, but significant changes during the past five years. Mainframe procurement professionals need to understand the key factors that can optimize the life cycles of their IBM mainframes.

Table Of Contents

Analysis

  • Availability of Support
    • OS Support Dates
    • Hardware Maintenance Discontinuance
    • Microcode Availability for Upgrades/Downgrades
  • Functionality/Performance
    • Product Update Rate
    • Increased Performance
    • New Functionality
    • Architectural Level Set
  • Pricing Incentives
    • Migration Incentives Based on Software Pricing
    • Migration Incentives Based on Hardware Maintenance Pricing
    • Migration Incentives Based on Hardware Pricing
  • Organization Type
    • Risk Aversion and Growth Level
    • Your Installed Base
  • Bottom Line

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