IBM Systems Magazine, Mainframe Edition - January/February 2011 - 39

Key Fit-for-Purpose Concepts and Theory
Summary of Key Points Many factors influence platform selection—a single tool does not exist. Infrastructure size matters and virtualization allows considering more shared versus dedicated costs. Customer specific non-functional requirements and other local factors have very significant affects on platform selection. An enterprisewide view provides the best optimization opportunity. Select platforms based upon workload requirements along with but not based on middleware. The proper choice of cost and value elements, the approach used to analyze cost and the appropriate time horizon can dictate which platform is considered the lowest cost.

Follow a repeatable empirical process rooted in your environment, costs, process model, organization/ politics and each application’s functional as well as non-functional requirements.

hÁ Costs of acquisition and
ownership hÁ Expected retur ns on the investment

STEP 2 Interview
Ty pica l ly t h r e e cat eg or ie s of discussion exist: technical support, service-delivery management, and applications and architectures. The technical support interviews focus on gathering key technical insights associated with the organization’s mainframe, RISC and x86 platforms. These interviews cover the organization’s servers-per-FTE coverage ratios, any significant performance issues, the typical capacity-planning parameters and points of differentiation between the technology platforms. Typical participants are key system-programming and server-administration staff. The service-delivery management interview focuses on the current issues surrounding the delivery of IT services.

These interviews cover service-level agreement (SLA) achievement levels, service-quality reports and measurements, and service delivery issues. Typical participants are enterprise or platform-specific capacity planning and/or operations management, and system-programming and serveradministration staff. The applications and architect ural inter v iew focuses on: requirements and characteristics

of selected applications and their architectural standards, historical predispositions or defaults, internal politics, business unit and user preferences for platform technologies and/or vendor relationships. We typically interview IT architects, project-development staff, enterprise or platform-specific capacity planning and/or operations management, system programmers, and server administration.

Polaris Fit-for-Purpose Workshop takes an application or workload-oriented approach and provides guidelines to minimize guesswork and assumptions.

ibmsystemsmag.com/mainframe

JA N UA RY/ FE B RUA RY 2 011

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IBM Systems Magazine, Mainframe Edition - January/February 2011

Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe Edition - January/February 2011

IBM Systems Magazine, Mainframe Edition - January/February 2011
Table of Contents
On the Web
Editor's Desk: Time is Expensive
Data Display: Utilities, Users and Devices Are Getting Energy Wise Are Getting Energy Wise
Think Smarter: Smart Storage Solutions Let You Have It All
Insider: Energy Efficiency is More Than an Optimized Server
Trends: Case Study Shows IBM’s zEnterprise System Reduces Costs Across the Business
Moving Forward: UniGroup Inc. develops a mainframe-based Web tool to create a more flexible business model.
Tipping the Scale: Labor expenses should influence IT acquisition decisions.
Four-Star Advantage: The Polaris Workshop maps out a custom platform strategy.
Tips and Techniques: Reduce Resource Consumption on DB2 10 for z/OS
Solutions
Advertisers' Index
Stop Run: System/360 Pioneer Fred Brooks Teaches Design That Still Shapes Computing
IBM Systems Magazine, Mainframe Edition - January/February 2011 - IBM Systems Magazine, Mainframe Edition - January/February 2011
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Cover2
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 1
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 2
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 3
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Table of Contents
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 5
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 6
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 7
IBM Systems Magazine, Mainframe Edition - January/February 2011 - On the Web
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 9
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 10
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 11
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Editor's Desk: Time is Expensive
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 13
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Data Display: Utilities, Users and Devices Are Getting Energy Wise Are Getting Energy Wise
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 15
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Think Smarter: Smart Storage Solutions Let You Have It All
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 17
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 18
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 19
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Insider: Energy Efficiency is More Than an Optimized Server
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 21
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 22
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 23
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Trends: Case Study Shows IBM’s zEnterprise System Reduces Costs Across the Business
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 25
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 26
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 27
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Moving Forward: UniGroup Inc. develops a mainframe-based Web tool to create a more flexible business model.
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 29
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 30
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 31
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Tipping the Scale: Labor expenses should influence IT acquisition decisions.
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 33
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 34
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 35
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Four-Star Advantage: The Polaris Workshop maps out a custom platform strategy.
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 37
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 38
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 39
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 40
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 41
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Tips and Techniques: Reduce Resource Consumption on DB2 10 for z/OS
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 43
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 44
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Solutions
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Advertisers' Index
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Stop Run: System/360 Pioneer Fred Brooks Teaches Design That Still Shapes Computing
IBM Systems Magazine, Mainframe Edition - January/February 2011 - 48
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Cover3
IBM Systems Magazine, Mainframe Edition - January/February 2011 - Cover4
IBM Systems Magazine, Mainframe Edition - January/February 2011 - RF1
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