Source: IDC Enterprise Panel, 3Q09, n = 263, September 2009 (Scale: 1 = Not at all concerned 5 = Very concerned) 76.0% 76.8% 79.8% 80.2% 81.0% 82.9% 83.3% 87.5% 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% Not enough ability to customize Hard to integrate with in-house IT Bringing back in-house may be difficult Lack of interoperability standards On-demand paym’t model may cost more Performance Availability Security VIRTUALIZATION + STANDARDIZATION AUTOMATION + Increased Flexibility Reduced CostĮnterprises want the value of cloud without undue risk Cloud computing implementation challenges can be significant. service oriented and service managed Learn more about IBM and cloud computing: / Attributes VISIBILITY CONTROL AUTOMATION “ Cloud” is an emerging consumption and delivery model for many IT-based services, in which the user sees only the service, and has no need to know anything about the technology or implementation Metering & Billing Rapid provisioning Flexible pricing Elastic scaling Advanced virtualization Standardized, consumable web-delivered services Service Catalog Ordering End user self serviceĪ cloud computing deployment is optimized = CLOUD COMPUTING … leveraging virtualization, standardization and automation to free up operational budget for new investment. Key Messages Cloud computing holds promise for large enterprises, but enterprises face challenges in adopting clouds The System z platform can be an ideal operational platform for cloud computing workloads, particularly for private enterprise clouds IBM today provides private cloud computing solution offerings to help customers rapidly realize the value of System z for cloud computing Ĭloud computing. This book is intended for IT professionals who are considering extending their IBM z Systems™ environment to a hybrid cloud by unleashing the power of cloud services on z/OS.įor information about creating cloud services that are hosted in IBM CICS®, see How Walmart Became a Cloud Services Provider with IBM CICS, SG24-8347.Andrea Greggo Cloud Computing Leader System z Market Strategy April 1, 2010 Each chapter explains the importance of a particular NIST characteristic, the z/OS role in accomplishing the characteristic, and how it was implemented by the Walmart Technology team. This book introduces the basic cloud concepts as defined by the National Institute of Standards and Technology (NIST). This book focuses on a pragmatic approach for enterprises that are struggling to take advantage of their business assets in the cloud. No shortage of approaches to cloud computing exists. This book highlights the strengths and characteristics of z/OS that led the Walmart infrastructure and software engineers to use this platform as they transitioned from a traditional IT deployment to a cloud model.Įmbarking on a cloud strategy can be overwhelming. These experiences and approaches relate to the z/OS platform, and might not apply to other hybrid cloud approaches. This book shares the experience of a team at Walmart Technology, Walmart Stores, Inc.® and some of the decisions they made to create business critical cloud services. This IBM® Redbooks® publication discusses the real world experience of an enterprise that developed and implemented IBM z/OS® cloud services.
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