CMG'10 Agenda

Virtualization has already become the fundamental technology of today’s data centers. While greatly benefiting the IT and business, it is presenting daunting challenges to managing such dynamic and virtualized environments.

The workshop gives a systematic overview and comparison of different virtualization architectures, and a broad range of commercial solutions. It will cover VMware ESX Server; IBM PowerVM; HP nPar/vPar and Integrity VM; Sun’s DSD, LDom, and Containers; Microsoft Hyper-V; and Xen. The pros and cons, as well as the suited applications for each solution will be discussed. It helps audience to clarify the confusions caused by the different terminologies from varies vendors; evaluate the tradeoffs; and make better choice on virtualization solutions based on their own requirements.

The workshop focuses on how a computer system is virtualized. It will go over the major aspects of virtualization, including CPU, memory, I/O and network, mobility, and etc. It helps audience to identify the performance overhead easily, manage and plan the virtual systems capacity more effectively and efficiently.

The workshop will also discuss the best practice on managing the virtual systems, especially focusing on resource pools, and clusters.

Focus on: Virtualization
ITIL Relevance: Capacity Management, Service Delivery
Related Subjects: Capacity Planning, Measurement

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This is the third of three sessions.  It builds on the previous two sessions.  Using the simulation concepts from the second session, the attendees are introduced to a simulation model that simulates a hypervisor that is used for server virtualization.  The last portion of the session is focused on analytical methods to forecast trends.  This includes the basics of linear regression as well as the basics of time series forecasting.

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IT organizations continue to be asked to do more with less with declining IT budgets.  So what happens when your data center is full, you don’t have any money to buy a new data center or new equipment, but still have growing IT requirements?  You inject business justified new technology at a rate equal to or larger than your growth rate.  This session describes the creation of a supply and demand model to understand IT growth, determining the affects of technology (e.g. virtualization) to live within major IT constraints such as limited capital for new hardware or data center upgrades.

ITIL Relevance: Capacity Management

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Can traditional load testing tools and techniques cope with such new trends as rich web clients, service-oriented architecture, virtualization, software as a service, and cloud computing? Or do we need ''Load Testing 2.0''?

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Computing Centers are growing without an end in sight.  After a brief relief due to virtualization, the trend is back to its upward direction.  These servers must be managed to meet business objectives.  But who has time to evaluate truck loads of servers to determine if they are overloaded or underutilized?  This paper presents a follow up study to the one presented by Loboz, Lee  and Yuan (2009) but includes Linux and Unix in addition to Windows.  

Focus on: Data gathering, Measurement tools and techniques
ITIL Relevance: Capacity Management
Related Subjects: Capacity Planning

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This session provides a methodology to address system server management within your data center before, during, and after your company forms a corporate Green initiative.  We review how companies start down the path towards the Green Data Center, and how you, as a Capacity Planner, can make meaningful contributions towards that goal.  We discuss various approaches to data center greening and introduce the concept of density and candidate identification for virtualization. Green Data Center initiatives give us an opportunity to turn to a new page in the old book of Capacity Management.  

Focus on: Green datacenters
ITIL Relevance: Capacity Management
Related Subjects: Management and Reporting, Capacity Planning

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This session will begin with an introduction to the VMware vSphere Wintel virtualization features, followed by a deeper dive into how vSphere handles the CPU and RAM resources  The session will include a performance problem scenario so the attendees will be able to take home a practical process for analyzing VMware performance issues.

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Server virtualization and the consolidation of server workloads onto a single platform changes the management of I/O performance in virtualization. Software and hardware vendors provide different I/O solutions to address high I/O performance in virtualization. In this paper, we discuss the I/O performance with 10Gb network cards and higher performance disk Host Bust Adapter (HBA) cards in XEN. This session also details micro benchmarks and real workloads for evaluating each I/O solution, helping future virtualization performance analysis as well as software and hardware design.

Focus on: Software Performance Engineering (SPE), Benchmarks
ITIL Relevance: Capacity Management
Related Subjects: Measurement

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Cloud Computing is definitely a reality for some users but what about corporate IT data centers? Recent research is starting to look beyond the usefulness of Cloud Computing for solving problems like start-up company funding and log processing to see what obstacles and opportunities exist when thinking of Cloud Computing for mission critical applications. This session looks at three recent research articles from notable academic institutions. The first outlines the top ten obstacles and opportunities. The other two show direct applications of research in Cloud Computing.

Focus on: SaaS, Cloud computing, Virtualization
Related Subjects: Management and Reporting

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Perhaps due to the proliferation of patterns at various levels of computing, it is now acceptable for solution and deployment architects, IT managers concerned about scalability, IT procurement managers and some capacity planners, to resort to best practices rather than science. Architectural Efficiency is a methodology based in part on queuing theory, that fills a gap in the science by providing a mechanism whereby one can determine under which conditions one architecture is more suitable than another, what scaling solution is more optimal and the impact of such strategies as server affinity.

Focus on: Server Consolidation, Virtualization
ITIL Relevance: Capacity Management, Configuration Management
Related Subjects: Capacity Planning

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There is no free lunch for application performance: the smaller the response time or the higher the throughput, the higher the cost.  In a commercial cloud computing environment, capacity planning essentially becomes cost planning, provided cloud computing providers deliver what they promise. In this paper we use examples to illustrate the tradeoff between performance and cost using simple performance models. It shows that with explicit cost structures of cloud computing, capacity planning becomes a budget planning and cost optimization process for IT organizations embracing the technology.

Focus on: Cloud computing, Virtualization
ITIL Relevance: Capacity Management, Financial Management for IT Services, Service Level Management
Related Subjects: Capacity Planning, Modeling / Statistics

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Performance data has been produced and consumed for decades, addressing different performance/capacity questions and emanating from a wide variety of computing platforms.  The wave of virtualization implementations for Distributed Systems (UNIX/Windows) platforms re-energizes the questions of (1) which metrics are needed vs. which metrics are available (2) what data granularity is required vs. available (3) which data summarization techniques are appropriate and (4) how performance data should be viewed, particularly when there are multiple layers within a virtualization.

Focus on: Data gathering, Measurement tools and techniques
Related Subjects: Management and Reporting, Capacity Planning

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