The who, what, why, when & how of cloud computing
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The document discusses cloud computing, including its definition, evolution, models, drivers for adoption, concerns, use cases, and migration process. Cloud computing provides scalable computing resources that are easy to access at a low cost. It has evolved due to factors like the growth of web/social media, demand for simplicity and commodity hardware. Companies are using cloud computing for applications, infrastructure, and platforms. The drivers for adoption include better asset utilization and scalability, while concerns include security, vendor lock-in and loss of control. A phased migration strategy is recommended, starting with virtualization and pilots.
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The who, what, why, when & how of cloud computing
- 1. 7/3/2012 The Who, What, Why, When & The Who, What, Why, When & How of Cloud Computing How of Cloud Computing Nari Kannan 1 Nari Kannan
- 2. Agenda • Definition of Cloud Computing • The Who? • Evolution of Cloud Computing • Who’s Using Cloud Computing and For What? 7/3/2012 • The What? • Cloud Computing Models and Tools Available The Who, What, Why, When & How of Cloud Computing • Enterprise to Cloud Architecture • The Why? • Cloud Computing Drivers • Objections and Concerns • The When? – Some Cloud Adoption Use Cases • The How? • Simplified Cloud Migration Flowchart 2 • Conclusions Nari Kannan
- 3. Nari Kannan Definition of Cloud Computing The Who, What, Why, When & 7/3/2012 3 How of Cloud Computing
- 4. Definition of Cloud Computing • Best Definition I have seen so far: Cloud Computing is a style of computing where computing resources (Computes, Storage, Network, Computing Platforms , Applications) are 7/3/2012 easy to obtain, cheap and just work! • Characteristics: The Who, What, Why, When & How of Cloud Computing • Scalable & Reliable Software As A Service • Elastic (SaaS) • Ubiquitous Access Platform As A Service (PaaS) • Complete Virtualization • Relative Consistency Infrastructure As A Service (IaaS) • Commodity Hardware & Software • Measured Service • Multi-Tenant 4 • Multiple Applications Nari Kannan
- 5. Definition of Cloud Computing Private Cloud 7/3/2012 Public Cloud The Who, What, Why, When & How of Cloud Computing Hybrid Cloud 5 Nari Kannan Vertical or Community Cloud
- 6. The Who? – Evolution of Cloud Computing Earliest Known Hypervisor – 1965 – IBM 360/85 – One Half acted as IBM 360/85, Other Half - IBM 7085 (Wikipedia) 7/3/2012 The Who, What, Why, When & How of Cloud Computing Estimates of Google 6 Servers – 1.7 M+ in 12 Data Centers – Jan 2012 Nari Kannan
- 7. The Who? • Perfect Storm of Many Developments over a Decade! • Drive for Scale – Web and Social Media Growing Faster than 7/3/2012 Processing Capabilities! • Drive for Simplicity – Large Batch Jobs and Simplified Querying! – No need for extra baggage in OS, Storage – Stripped Down The Who, What, Why, When & How of Cloud Computing Technology! – Hadoop/MapReduce, Google File System, MongoDB, CouchDB, Cassandra and Riak Distributed Databases • Drive for Commodity, Cheap Hardware – Tens of Thousands of Inexpensive Servers Needed! • Inexpensive Multi-Core Processors – Good for Distributed Parallel Processing • Dropping prices and Increasing Storage Capacities • Faster Networks 7 Nari Kannan
- 8. Nari Kannan The Who? The Who, What, Why, When & 7/3/2012 8 How of Cloud Computing
- 9. The Who? – Who’s Using Cloud Computing and for what? IBM Survey of 110 7/3/2012 Companies using Cloud Computing – October 2010 The Who, What, Why, When & How of Cloud Computing 9 Nari Kannan
- 10. The Who? – Who’s Using Cloud Computing and for what? 7/3/2012 The Who, What, Why, When & How of Cloud Computing Source: Ahead in The Cloud – CSC Cloud Index 10 Dec 2011 Nari Kannan
- 11. The What? – Cloud Computing Models & Tools Available 7/3/2012 The Who, What, Why, When & How of Cloud Computing 11 Nari Kannan
- 12. The What? – Cloud Computing Models & Tools Available Cloud Services Cloud Provisioning & Orchestration • Amazon Web Services • EnStratus • Rackspace • OpsCode 7/3/2012 • Joyent • RightScale • OpsSource • HP Hybrid Delivery • GoGrid • CA Automation Suite for Clouds The Who, What, Why, When & How of Cloud Computing • Microsoft Azure Web Services • EMC Iconix • Terremark • BMC Cloud LifeCycle Management • Savvis • Eucalyptus (Open Source) • Fujitsu Cloud Services Cloud PaaS • VCE – VMWare, Cisco, EMC Virtualization Software • Kinvey • VMWare • Microsoft Hyper-V Cloud Monitoring • Citrix XEN Server • Hyperic 12 • XEN Server (Open Source) • CloudKick •OpNet Nari Kannan •Heroix
- 13. The What? – Enterprise to Cloud Architecture Business Process Management Layer 7/3/2012 Integration Layer – Service Oriented Architecture – External Enterprise Services The Who, What, Why, When & How of Cloud Computing Enterprise Applications Layer – In-House Applications, SaaS Applications, Social Media Cloud Layer – Orchestration, Provisioning, Auto-Scaling, New! Monitoring, Performance Hardware Layer – Computes, Storage, Network – Private, Public, Hybrid 13 Nari Kannan
- 14. The What? – Enterprise to Cloud Architecture • Application Cloud Vs Infrastructure Cloud 7/3/2012 • Separate Applications from Infrastructure The Who, What, Why, When & How of Cloud Computing • Consider Move to Application Cloud Separately from Infrastructure Cloud • An In-House Application could be moved to a SaaS Model • Infrastructure could be moved to Private, Public or Hybrid 14 Nari Kannan
- 15. The Why? - Cloud Computing Drivers • Better Asset Utilization (Infrastructure) • Better Asset Utilization (People and Skills) 7/3/2012 • Projects that Require Massive Scaling or Distributed Storage and Processing - Hadoop/MapReduce/Cassandra/Riak The Who, What, Why, When & How of Cloud Computing • Reduced /Optimized IT Cost – No need to buy additional hardware/software for one-time large scale projects • Conversion of Fixed Costs to Incremental Costs – Step-wise Fixed Costs to Smooth Variable Costs • IT Scaling Backlog Reduction (VMs on Hybrid Clouds – Even Business Groups Self-Service Possible) • Ideal model for New Startups or Intrapraneurial Ventures – Failure does not leave you with unused hardware and 15 software Nari Kannan
- 16. The Why? – Objections & Concerns • Security • Private Clouds – Can be as secure as before private clouds 7/3/2012 • Public Clouds – Providers have higher level of expertise and protection but need evaluation • Full Segregation on Public Clouds using Virtual Private Clouds The Who, What, Why, When & How of Cloud Computing • Vendor Lockin • Losing Control • Valid concern considering loss of visibility of where computes and storage are on public clouds at any time • Concerns about Data Leakage on Public Clouds also valid concern • Cost – Holistic calculations needed taking into effort people, hardware, software, time , effort 16 • Change and Disruption Nari Kannan
- 17. The When? – Some Cloud Adoption Use Cases • Need a Hosted CRM Capability To Support our Expanded Sales and Marketing Efforts 7/3/2012 • Solution - Application Cloud – SalesForce.com • Need a Hosted Application Platform to Build New Custom Business Application The Who, What, Why, When & How of Cloud Computing • Solution – Application Cloud – Custom App, Infrastructure – Public or Hybrid Cloud • Problems Scaling a Custom-Built Application for Global Use by the Business • Solution – Virtualization at the hardware layer, possibly scaling to Hybrid Cloud • Need Better Utilization of Data Center Resources 17 • Solution – Server Virtualization and Consolidation Nari Kannan
- 18. Nari Kannan The How? – Cloud Migration The Who, What, Why, When & 7/3/2012 18 How of Cloud Computing
- 19. The How? – Simplified Cloud Migration Flowchart Understand the Business Cloud Strategy and Roadmap 7/3/2012 Understand Cloud Drivers Cloud Modeling and Architecture The Who, What, Why, When & How of Cloud Computing Perform BPM, SOA, Enterprise Applications Cloud Implementation Inventory Planning Perform Infrastructure Cloud Implementation Inventory Mapped to the previous step – Computes, Storage, Network Cloud and Application Performance Monitoring Cloud POC/Pilot Project – and Fine-Tuning 19 Go/No Go Decision Nari Kannan
- 20. The How? – Best Pilot Candidates for Cloud Migration • Application Development and Test Virtual Machines • Training Applications 7/3/2012 • Mission Support Applications • Email, Collaboration Tools like Intranets The Who, What, Why, When & How of Cloud Computing • New Mobile applications that require rapid scaling, especially Consumer-facing • Phased Migration Strategy • Show ROI and Improved Server Utilization with Virtualization, Create and Prove a Private Cloud • Migrate to Hybrid Cloud for new projects and applications such as above • Plan for public cloud implementations for the 20 longer term Nari Kannan
- 21. Conclusions • Commodity hardware enables virtualization and scaling up or down internally or in the public cloud- adjust resources available dynamically to demand 7/3/2012 • Cloud computing ideal for projects requiring massive The Who, What, Why, When & How of Cloud Computing distributing computing, storage and network resources, especially for unstructured data • Drivers for cloud adoption may vary from one organization to the next but multiple options available in SaaS, PaaS or IaaS for addressing them • Cloud migration will be successful with diligent matching of 21 drivers to solutions Nari Kannan
- 22. Nari Kannan Conclusions The Who, What, Why, When & 7/3/2012 22 How of Cloud Computing