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Cloud computing vs grid computing
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Cloud computing vs grid computing


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  • 1. “A pool of abstracted, highly scalable, and managed computer infrastructure capable of hosting end-customer applications and billed by consumption1”“Cloud computing is an emerging approach to shared infrastructure in which large pools of systems are linked together to provide IT services.”
  • 2.  SaaS › Software as a Service › Storage as a Service PaaS – Platform as a Service IaaS – Infrastructure as a Service
  • 3.  In SaaS no need to buy expensive licensed applications Examples: SalesForce, Gmail, Yahoo! Mail, Quicken Online  Instead of selling you a copy of Microsoft Word for $300, a cloud computing model would "rent" word processing software to you through the Internet for perhaps 5 dollars a month. Advantages: Free, Easy,  repair a single central copy of the product online Disadvantages: Limited functionality, no control or access to underlying technology,  you have to trust into the online software vendors.
  • 4.  “Containers” “Closed” environments Examples: Google App Engine(support only java & python), , 16 languages)[5] ,Windows Azure(.Net,java,Php), Mosso, Engine Yard, Joyent Advantages: Good for developers, more control than “Application” Clouds, tightly configured Disadvantages: Restricted to what is available, other dependencies
  • 5.  Provide “Compute” and “Storage” clouds Virtualization layers (hardware/software) Examples: Amazon EC2, GoGrid, Amazon S3, Nirvanix, Linode Advantages: Full control of environments and infrastructure Disadvantages: premium price point, limited competition
  • 6.  Infrastructure as a Service (IaaS) provides the user with virtual infrastructure, such as servers and data storage space. This is where virtualization fits into the cloud. Platform as a Service (PaaS) provides the user with development environment services where the user can create and run home-grown applications. Software as a Service (SaaS) provides the user with access to already created applications that are operating in the cloud.
  • 7. •Layers equate structure•Building blocks: Infrastructure, Platforms,Applications
  • 8.  1000’s of Cloud Applications currently Handful of Cloud Platforms Elite group of Cloud Infrastructure providers # of Marketplace providers
  • 9.  Provides extension to Cloud Infrastructure and Platforms with basic functionality Examples: Amazon SimpleDB, Amazon SQS, Google BigTable Advantages: Extends functionality of Compute & Storage Clouds to integrate with other clouds Disadvantages: Sometimes requires use of specific Platforms or Infrastructure
  • 10.  Sits on top of various Cloud Infrastructures for management Examples: RightScale, Appistry Advantages: Provides more options for Cloud environments Disadvantages: Dependent on Cloud Providers
  • 11. Colocation Managed CloudTime Weeks to Months Days to Weeks MinutesScalability Slowest, Rigid & Slower, somewhat Instant, Flexible, Costly flexible, Costly Pay-per-usageCost High Costly, sometimes No contracts, month/year usage based, no contracts, upfront costs“Green” Low Low High - virtualizedPricing model Buy Servers & Colo Rent Servers & Rent based on costs whether Hosting costs usage only used or not whether used or not
  • 12.  Technology has evolved People demand more control Instant gratification Managed is not dynamic enoughCloud Computing -“Enabling Technology” to move from Traditional Hosting to Cloud Hosting
  • 13.  Ease of Use Scalability Risk Reliability Cost
  • 14.  Deploy infrastructure with a mouse or API › No cabling, screwdrivers, racking, unboxing, buying › Middle of the night › Do it yourself remotely from anywhere anytime
  • 15. 2.Controlyour infrastructure with yourapplication demands.3.No need to purchase expensive hardwaresfor scalability.
  • 16. 1. Nothing to buy2. Cancel immediately3. Change instantly, even operating systems4. Throw it out5. Rebuild it instantly after testing RISK
  • 17. 1. Based on High quality hardware2. Design for failures: › Automatically spin up replacements › Use multiple clouds
  • 18. 1. Pay for only what you use2. No need to buy in advance3. Zero Capital Outlay4. No contracts
  • 19.  Grid computing is the ability to process information by utilizing a collection of networked heterogeneous information- processing components (hardware and software), all of which are provisioned from various geographical locations and across organizational boundaries.[5]
  • 20.  In grid computing the concept of Virtual Organizations (VOs) rises. Which means that all resources were owned by a single organization. Two key outcomes exist in grids:3. The Open Grid Service Architecture (OGSA)4. The Globus Toolkit. OGSA means how grids are created and maintained.
  • 21.  The Globus Toolkit is a software middleware package. All that is required is to install and configure Globus and then create all required resources and services. grid security approach is the Grid Security Infrastructure (GSI) which has been implemented in the Globus Toolkit
  • 22.  NAREGI ( National Research Grid Initiative) is a grid project that focuses on the research and development of grid middleware. The test contains almost 3000 CPUs and is capable of 17 teraflops of processing power, offered from various research institutions throughout Japan. BOINC is an Open-source software for volunteer computing and grid computing. BOINC is supported by the National Science Foundation(SETI@home,
  • 23. 1. Neither grids nor clouds have a commonly accepted definition.2. Grids are publicly funded and operated, whereas clouds are privately funded and operated.3. Grids and clouds are instantiations of distributed systems, which is a common feature of them.4. Grids evolve slowly and clouds evolve fast, and The level of expertise to use a cloud is significantly lower than that of a grids.
  • 24. 1. Paul Lancaster Business Development Manager, GoGrid Site: http://www.GoGrid.com2. http://www. amazon.com3. http://wikipedia.org4. http://saasevolution.blogspot.com5. Grids vs. Clouds , Michael Brock and Andrzej Goscinski ,School of Information Technology , Deakin University ,Australia6.