IBM Systems Magazine, Mainframe - March/April 2009 - 14

IT Today Solutions to the challenges facing IT organizations worldwide On Cloud z Cloud computing helps reduce spending and increase ROI BY ANDREA GREGGO the promise. Cloud providers are only profitable when they cost-effectively service large volumes of customers, and those customers represent a regular recurring subscription base. To maintain lower costs, multi-tenant (shared), efficient infrastr uctures are leveraged, enabling providers to pass savings onto consumers. To be a successful cloud vendor, you must achieve a high level of operational eff iciency for your cloud ser v ices, without sacrificing any quality of service. Clouds, albeit immature overall, are expected to deliver ever-increasing levels of availability, security and reliabilit y–ter ms nor mally associated with the IBM mainframe. i t h t h e g lo b a l e c o n o m y f a c i n g a prolonged recession, companies are forced to reduce spending and become more competitive. Lean times bring out the fiercest competitor in us and, when pushed, businesses create innovative approaches to solve problems. Cloud computing, a style of computing where IT-related capabilities are provided as a service, allowing users to access technology-enabled services “in the cloud” without knowledge of, expertise with or control over the technology infrastructure that supports them, certainly can be described as innovative. C loud comput i ng ma ke s ma ny pr om i se s to consumers, including reduced up-front spending, since cloud employs a pay-as-you-go model that combines all of the service’s elements (e.g., hardware, software, resources and operations) into a single payment stream. Getting started with cloud services can give a near-immediate ROI, without requiring the investment in support or maintenance. While cloud is attractive to consumers, cloud services providers face challenges in delivering on 14 M A R C H/A PRIL 2009 ibmsystemsmag.com/mainframe W Mainframe’s Place in the Cloud The majority of cloud solutions today consist of open environments built on commodity-based assets, which are customized to improve operations. However, these custom-commodity systems are expected to behave as trusted enterprise resources, particularly as cloud computing shifts more into the mainstream. This paradox makes the mainframe an even more valuable platform for cloud computing because: s The operational characteristics of the mainframe provide a solid baseline for the needs of many cloud workloads. s The technical design points of the mainframe provide value out of the box. While much of the focus on data-center costs tends to be capital oriented, it’s important to note the majority of current and growing expenses come from the operational side. A 2007 Computer Economics sur vey indicates the single largest expenditure in the data center is personnel, representing 44.6 percent. To put this into perspective, capital is
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IBM Systems Magazine, Mainframe - March/April 2009

Table of Contents for the Digital Edition of IBM Systems Magazine, Mainframe - March/April 2009

IBM Systems Magazine, Mainframe - March/April 2009
Table of Contents
Editor's Desk
Trends:  Improvements to IMS Make it a First-Rate Data-Management Solution
IT Today:  Cloud Computing Helps Reduce Spending and Increase ROI
Case Study:  Wakefern Food Corporation exchanges an aging solution for a new, more functional systems to accelerate date transfers
Cover Story:  After 45 Years, Innovation Brings the Mainframe Full Circle
Feature:  Innovation Keeps the Mainframe on Track to Meet Changing BI Needs
Administrator:  Performance Toolkit for z/VM
Developer: Options for Optimizing Web-Service Creation
Mainframe's 45-Year Timeline
Technical Corner:  A System Programmer's Guide to Data Warehousing
Advertiser Index
Product News
Stop Run:  Readers Share Their Mainframe Memories
IBM Systems Magazine, Mainframe - March/April 2009 - IBM Systems Magazine, Mainframe - March/April 2009
IBM Systems Magazine, Mainframe - March/April 2009 - Cover2
IBM Systems Magazine, Mainframe - March/April 2009 - 1
IBM Systems Magazine, Mainframe - March/April 2009 - Table of Contents
IBM Systems Magazine, Mainframe - March/April 2009 - 3
IBM Systems Magazine, Mainframe - March/April 2009 - 4
IBM Systems Magazine, Mainframe - March/April 2009 - 5
IBM Systems Magazine, Mainframe - March/April 2009 - 6
IBM Systems Magazine, Mainframe - March/April 2009 - 7
IBM Systems Magazine, Mainframe - March/April 2009 - Editor's Desk
IBM Systems Magazine, Mainframe - March/April 2009 - 9
IBM Systems Magazine, Mainframe - March/April 2009 - Trends:  Improvements to IMS Make it a First-Rate Data-Management Solution
IBM Systems Magazine, Mainframe - March/April 2009 - 11
IBM Systems Magazine, Mainframe - March/April 2009 - 12
IBM Systems Magazine, Mainframe - March/April 2009 - 13
IBM Systems Magazine, Mainframe - March/April 2009 - IT Today:  Cloud Computing Helps Reduce Spending and Increase ROI
IBM Systems Magazine, Mainframe - March/April 2009 - 15
IBM Systems Magazine, Mainframe - March/April 2009 - 16
IBM Systems Magazine, Mainframe - March/April 2009 - 16a
IBM Systems Magazine, Mainframe - March/April 2009 - 16b
IBM Systems Magazine, Mainframe - March/April 2009 - 17
IBM Systems Magazine, Mainframe - March/April 2009 - Case Study:  Wakefern Food Corporation exchanges an aging solution for a new, more functional systems to accelerate date transfers
IBM Systems Magazine, Mainframe - March/April 2009 - 19
IBM Systems Magazine, Mainframe - March/April 2009 - 20
IBM Systems Magazine, Mainframe - March/April 2009 - 21
IBM Systems Magazine, Mainframe - March/April 2009 - 22
IBM Systems Magazine, Mainframe - March/April 2009 - 23
IBM Systems Magazine, Mainframe - March/April 2009 - Cover Story:  After 45 Years, Innovation Brings the Mainframe Full Circle
IBM Systems Magazine, Mainframe - March/April 2009 - 25
IBM Systems Magazine, Mainframe - March/April 2009 - 26
IBM Systems Magazine, Mainframe - March/April 2009 - 27
IBM Systems Magazine, Mainframe - March/April 2009 - 28
IBM Systems Magazine, Mainframe - March/April 2009 - 29
IBM Systems Magazine, Mainframe - March/April 2009 - Feature:  Innovation Keeps the Mainframe on Track to Meet Changing BI Needs
IBM Systems Magazine, Mainframe - March/April 2009 - 31
IBM Systems Magazine, Mainframe - March/April 2009 - 32
IBM Systems Magazine, Mainframe - March/April 2009 - 33
IBM Systems Magazine, Mainframe - March/April 2009 - 34
IBM Systems Magazine, Mainframe - March/April 2009 - 35
IBM Systems Magazine, Mainframe - March/April 2009 - Administrator:  Performance Toolkit for z/VM
IBM Systems Magazine, Mainframe - March/April 2009 - 37
IBM Systems Magazine, Mainframe - March/April 2009 - 38
IBM Systems Magazine, Mainframe - March/April 2009 - 39
IBM Systems Magazine, Mainframe - March/April 2009 - Developer: Options for Optimizing Web-Service Creation
IBM Systems Magazine, Mainframe - March/April 2009 - Mainframe's 45-Year Timeline
IBM Systems Magazine, Mainframe - March/April 2009 - M2
IBM Systems Magazine, Mainframe - March/April 2009 - M3
IBM Systems Magazine, Mainframe - March/April 2009 - M4
IBM Systems Magazine, Mainframe - March/April 2009 - 41
IBM Systems Magazine, Mainframe - March/April 2009 - 42
IBM Systems Magazine, Mainframe - March/April 2009 - 43
IBM Systems Magazine, Mainframe - March/April 2009 - Technical Corner:  A System Programmer's Guide to Data Warehousing
IBM Systems Magazine, Mainframe - March/April 2009 - 45
IBM Systems Magazine, Mainframe - March/April 2009 - 46
IBM Systems Magazine, Mainframe - March/April 2009 - Product News
IBM Systems Magazine, Mainframe - March/April 2009 - Stop Run:  Readers Share Their Mainframe Memories
IBM Systems Magazine, Mainframe - March/April 2009 - Cover3
IBM Systems Magazine, Mainframe - March/April 2009 - Cover4
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