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IBM zEnterprise Strategy for the Private Cloud

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Learn about IBM zEnterprise Strategy for the Private Cloud.The white paper defines the strategy for implementing the zEnterprise System as an integrated, heterogeneous, and virtualized infrastructure, …

Learn about IBM zEnterprise Strategy for the Private Cloud.The white paper defines the strategy for implementing the zEnterprise System as an integrated, heterogeneous, and virtualized infrastructure, ideal for supporting Infrastructure as a Service (IaaS) in cloud computing deployments.To know more about System z, visit http://ibm.co/PNo9Cb.


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  • 1. 89 Fifth Avenue, 7th Floor New York, NY 10003 www.TheEdison.com 212.367.7400 White Paper IBM zEnterprise Strategy for the Private Cloud
  • 2. Table of Contents Introduction .................................................................................................................................. 1 Issue Definition............................................................................................................................ 1 Perceptions................................................................................................................................. 2 Creeping Complexity and Current IT Infrastructures......................................................... 2 Integrating Divergent Technologies....................................................................................... 2 Data Center Energy Efficiency ................................................................................................ 3 Solution and Opportunities....................................................................................................... 3 Conclusions................................................................................................................................... 5 Printed in the United States of America Copyright  2012 Edison Group, Inc. New York. Edison Group offers no warranty either expressed or implied on the information contained herein and shall be held harmless for errors resulting from its use. All products are trademarks of their respective owners. First Publication: May 2012 Produced by: Albert Thompson, Sr. Analyst; Barry Cohen, Editor-in-Chief; Manny Frishberg, Editor
  • 3. IBM zEnterprise Strategy for the Private Cloud Page 1 Introduction This paper defines the strategy for implementing the zEnterprise System as an integrated, heterogeneous, and virtualized infrastructure, ideal for supporting Infrastructure as a Service (IaaS) in cloud computing deployments. A previous paper, “The Value of IBM zEnterprise for Deploying Heterogeneous Private Clouds,” addresses the value issue. This paper categorizes the issues that confront IT professionals in the current business environment. Among those issues are IT professionals’ perceptions, infrastructure complexity, divergent technologies, and data center efficiency. It then enumerates the zEnterprise features and characteristics that address those issues and that make this infrastructure ideal for supporting IaaS on the cloud. To support the zEnterprise System implementation strategy IBM has extended and clarified several cloud concepts. These include:  Expanding the IaaS definition to include hardware infrastructure services comprised of heterogeneous server platforms.  Identifying key advanced virtualization and virtualization management capabilities required for IaaS.  Developing “fit-for-purpose,” using a defined-workload metric to determine the impact of zEnterprise. Issue Definition For the purpose of issue definition, the assumption is that readers are familiar with the cloud computing concepts and solutions, such as on-demand, often self-service, and on- demand rapid deployment of computing resources1. When looking at implementing a cloud solution, specifically IaaS, a variety of issues impact the decision process including:  Perception of how private, public, and hybrid clouds are implemented.  The impact of implementing cloud computing on current infrastructure and the issue of creeping complexity. 1 See “The NIST Definition of Cloud Computing” at http://csrc.nist.gov/publications/nistpubs/ 800- 145/SP800-145.pdf for more information and a common terminology
  • 4. IBM zEnterprise Strategy for the Private Cloud Page 2  The lack of interaction by divergent technologies used within an organization.  Increasing energy demands and the need to efficiently handle energy requirements. Perceptions Cloud computing includes several deployment models including; Public, Private, and Hybrid–a combination of the two. The IaaS service model can fit all three deployment models. With IaaS the users control the operating system, storage, deployed applications and networking components; but not the underlying cloud infrastructure. There is a perception, fostered by public cloud providers, that the public cloud has performance and cost advantages when compared to the private cloud deployment model. This perception misses the understanding that obtaining the best results from moving workloads to a cloud platform requires selecting an underlying physical infrastructure fit for the purposes of those workloads. The one-size-fits-all model of the usually homogeneous underlying platform of public cloud offerings precludes a fit-to-purpose implementation that can be achieved with a heterogeneous private cloud implementation. Creeping Complexity and Current IT Infrastructures In many cases the current IT infrastructures do not represent an efficient use of resources. There are 32.6 million servers worldwide, representing 85 percent idle computing capacity. Fifteen percent of those servers run 24/7 without actually being actively used on a daily basis. In addition, server acquisition is growing at a rate of six times annually, storage demand increases 69 percent each year, and virtual machines are growing by 42 percent yearly. Managing this growth requires a solution that involves a more efficient use of existing install base and potentially eliminating the need for additional resources.2 Integrating Divergent Technologies Over time, IT projects within organizations have made use of a variety of distributed technologies, resulting in the creation of isolated technology “silos.” These organizations now need to align end-to-end business processes across these technology boundaries. They need to replace individual islands of computing (silos) and to reduce complexity, improve security, and bring applications closer to their data. There is also the need to make resources from one project available for other projects. 2 zEnterprise: A Revolutionary Design for Hybrid IT Computing; Mark S. Anzani, VP and CTO, System z, IBM, CA World 11, November 13-16, 2011
  • 5. IBM zEnterprise Strategy for the Private Cloud Page 3 Data Center Energy Efficiency Data centers have doubled their energy use in the past five years, with an additional 18 percent increase in data center energy costs projected by the end of 2012. IT managers need an effective approach that addresses power consumption and implements a redundancy to ensure 24/7 operation. Solution and Opportunities The IBM zEnterprise is a family of workload- optimized, multi-architecture computer systems. It includes the zEnterprise 196 (z196) or the zEnterprise 114 (z114) Central Processing Complex (CPC), the zEnterprise Unified Resource Manager, and the IBM zEnterprise BladeCenter Extension (zBX), with integrated optimizers, IBM blades, or both. IBM has designed zEnterprise to address the issues currently impacting the IT environment. The zEnterprise family provides a system designed specifically to address IaaS on a private heterogeneous cloud where the components run on the same architecture, a single hardware or operating system platform. The private cloud cans be hosted within the organization or through an external provider. This heterogeneous cloud includes several hardware and operating system platforms to accommodate workloads running on different platforms at the same time. zEnterprise has the ability to host many multi- tier workloads on a set of heterogeneous, virtualized server architectures, managed as a single, integrated IT infrastructure. IBM zEnterprise provides the ability to consolidate the hardware infrastructure, eliminate redundant software and data, improve service delivery, and modernize the enterprise. The services it supports include automation of administrative tasks, dynamic scaling, optimization, desktop virtualization, and internet connectivity. They enable the deployment of an integrated hardware platform, bringing together mainframe and distributed technologies. The z114 is the next-generation midrange mainframe, delivering extensive growth options, flexibility, efficiency, and improved price performance. The z114 scales without adding complexity, to meet growing demands on the infrastructure.
  • 6. IBM zEnterprise Strategy for the Private Cloud Page 4 zEnterprise includes expanded ISV support for enterprise applications, and targeted applications that interact with mainframe data and transactions. This system unifies and optimizes multiple architectures to work as a single system, breaking down silos and enabling the service provider to bring mainframe and distributed technologies together on an integrated hardware platform, Individual islands of computing and work can be replaced to reduce complexity, improve security, and bring applications closer to the data they need. By implementing a zEnterprise System containing the z114 and its attached zBX managed by Unified Resource Manager, organizations can treat virtualized resources as a single resource pool. This creates an integrated system with workload management across the multisystem, multitier, multi-architecture environment. The virtual-server lifecycle management enables directed and dynamic virtual server provisioning from a single, uniform point of control. Thus, creating and deleting servers, and both real and virtual networking resources, are managed by Unified Resource Manager. Unified Resource Manager provides centralized management of heterogeneous resources for simplification and resiliency. Unified Resource Manager incorporates workload-aware resource optimization that can be used to identify and optimize the physical and virtual system resources that support an application. It has the ability to inspect, report, and manage all connected resources (no matter which platform) being used in the service of a defined workload. Functions of Unified Resource Manager are grouped into suites of tiered functionality that enable different levels of capability– Manage, Advanced Management, and Automate–establishing a common management infrastructure for both mainframe and distributed-systems. A workload-optimized multi-architecture allows the creation of an integrated infrastructure that aligns to end-to-end business processes across technology boundaries. This system unifies and optimizes multiple architectures to work as a single system, breaking down silos to enable innovation through flexibility. Projects are provided resources and enabled within days, not weeks. The zBX provides the hardware infrastructure to support select IBM BladeCenter PS701 Express and IBM BladeCenter HX5 blade servers. The zBX offers hardware redundancy to improve performance–built in at various levels–power infrastructure, rack mounted network switches, and power units. There is also redundant networking to the z114 for data and service management. zBX hardware redundancy improves performance–built in at various levels: power infrastructure, rack mounted network switches, and power units.
  • 7. IBM zEnterprise Strategy for the Private Cloud Page 5 Conclusions IT managers are looking to cloud computing, specifically IaaS, as a solution to the challenge of growing demands. They need to identify a strategy that enables them to address the issues of infrastructure, excess capacity, underutilization of resources, and efficient use of power. Modular and integrated business processes, and the applications that support them, are implemented on a variety of architectures and hosted on heterogeneous IT infrastructures. Approaches to managing these infrastructures along platform architecture boundaries must optimize the IT alignment with business objectives. These approaches must improve responsiveness to change, resource utilization, business resiliency, and overall cost of ownership. Service providers must offer an approach that incorporates the ability to manage the IT infrastructure and business application as an integrated whole. Implementing the cloud requires an effective strategy that involves hardware infrastructure services, advanced virtualization, and virtualization management capability required for IaaS. By implementing automated administrative tasks, dynamic scaling, optimization, desktop virtualization, and internet connectivity services, they can achieve a solution to the growing demand problems. IBM zEnterprise addresses those issues using the heterogeneous cloud to enable a fit- for-purpose strategy that delivers functions and features that implement infrastructure hardware as a service. Fit-for-purpose application deployment optimizes the deployment of workloads by utilizing the best-fit technology for each function and operating environment. So, workloads run where they run best. The IBM Integrated Service Management software allows them all to run in the zEnterprise environment and to be managed from a single point of control. The zEnterprise extends the reach and strategic role of the mainframe across the enterprise to simplify datacenter management and to reduce the range of skills necessary to do it. This reduces costs through centralized data center management and automation, as detailed in the video: Introducing the Expanded IBM zEnterprise System Family. Consolidation through virtualization, a first step in improving energy efficiency, offers the potential for greater efficiencies. Use of the right underlying cloud infrastructure delivers on that potential. ZSL03181-USEN-00