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Introduction to Cloud Computing


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Title: Introduction to Cloud Computing

Introduction to Cloud Computing
  • What is cloud computing
  • Cloud computing discriminate
  • Cloud computing technology
  • Cloud computing products and market

Cloud Computing new IT buzzword
  • Cloud computing, at backside of this buzzword, is
    a concept like the flower in the glass. Every
    enterprise and person, want to explain this
    concept by their own benefits. But, if give a
    neutral definition to it, begin it here.

Cloud computing definition
  • Cloud computing is a resource delivery and usage
    model, it means get resource (Hardware,
    software)via network. The network of providing
    resource is called Cloud. The hardware resource
    in the Cloud seems scalable infinitely and can
    be used whenever.

Cloud computing and technology
  • New advances in processors, virtualization
    technology, distributed storage, broadband
    Internet access , automated management and fast,
    inexpensive servers have all combined to make
    cloud computing a compelling paradigm.This vast
    process power is usually got with a distributed,
    large-scale server cluster and server
    virtualization software.

Cloud computing impact
  • As a result, cloud computing has the potential to
    upend the software industry entirely, as
    applications are purchased, licensed and run over
    the network instead of a user's desktop. This
    shift will put data centers and their
    administrators at the center of the distributed
    network, as processing power, electricity,
    bandwidth and storage are all managed remotely.
    It affects not only business models, but the
    underlying architecture of how we develop,
    deploy, run and deliver applications.

  • What is cloud computing
  • Cloud computing discriminate
  • Cloud computing technology
  • Cloud computing products and market

Cloud computings brother buzzwords
  • Cloud computing is becoming one of the next
    industry buzz words. And it has more or less
    relation with these words grid computing,
    utility computing, virtualization, server
    cluster, Dedicated server, Colocation. Cloud
    computing infrastructure usually use
    virtualization technology, and is built based on
    a server cluster, have nature relation to grid
    computing and utility computing, and is use to
    compete with Dedicated server and Colocation.

Utility computing
  • Utility computing is a business model of
    providing computing resource, user get and use
    the computing resource from service provider and
    pay for practically used resource. To say it
    simply, it is a price model based on resource
    usage quantity. The main benefit of utility
    computing is better economics. Corporate data
    centers are notoriously underutilized, with
    resources such as servers often idle 85 percent
    of the time. This is due to overprovisioning
    buying more hardware than is needed on average in
    order to handle peaks (such as the opening of the
    Wall Street trading day or the holiday shopping
    season), to handle expected future loads and to
    prepare for unanticipated surges in demand.
    Utility computing allows companies to only pay
    for the computing resources they need, when they
    need them.

Comparison of Utility Computing and Cloud
  • Utility computing is a business model, it is a
    type of price model to deliver application
    infrastructure resource. Cloud computing is a
    computing model, relates to the way we design,
    build, deploy and run applications that operate
    in a sharing resources and boasting the ability
    to dynamically grow, shrink and self-heal.
    Utility computing is often need a cloud computing
    infrastructure, but not must need. Sameness,
    above the cloud computing, we can adopt utility
    computing, and, we can adopt other price model.

Cloud computing
Utility computing
Monitor Meter Billing Pay
Distributed Computing
  • Distributed computing deals with hardware and
    software systems containing more than one
    processing element or storage element, concurrent
    processes, or multiple programs, running under a
    loosely or tightly controlled regime.In
    distributed computing, a program is split up into
    parts that run simultaneously on multiple
    computers communicating over a network.
    Distributed computing is a form of parallel
    computing, but parallel computing is most
    commonly used to describe program parts running
    simultaneously on multiple processors in the same
    computer. Both types of processing require
    dividing a program into parts that can run
    simultaneously, but distributed programs often
    must deal with heterogeneous environments,
    network links of varying latencies, and
    unpredictable failures in the network or the

Grid computing
  • Grid computing is a term for either of two broad
    subcategories of distributed computing 1 Online
    computation or storage offered as a service
    supported by a pool of distributed computing
    resources, also known as utility computing,
    on-demand computing, or cloud computing. Data
    grids provide controlled sharing and management
    of large amounts of distributed data, often used
    in combination with computational grids. 2 The
    creation of a "virtual supercomputer" composed of
    a network of loosely-coupled computers, acting in
    concert to perform very large tasks. This
    technology has been applied to computationally-int
    ensive scientific, mathematical, and academic
    problems through volunteer computing, and it is
    used in commercial enterprises for such diverse
    applications as drug discovery, economic
    forecasting, seismic analysis, and back-office
    data processing in support of e-commerce and web

Difference between Cloudcomputing and grid
  • Grid computing emphasizes on resource sharing,
    every grid node can apply for resource from other
    nodes, and every node should contribute resource
    to the grid. The focus of grid computing is on
    the ability of moving a workload to the location
    of the needed computing resources, which are
    mostly remote and are readily available for use.
    Grids also require applications to conform to the
    grid software interfaces.
  • Cloud computing emphasize on proprietary, every
    user out of the cloud can get its own private
    resource from the cloud, and the cloud resource
    are provided by the specific service provider,
    the user need not contribute its resource. In a
    cloud environment, computing resources, such as
    servers, can be dynamically shaped or carved out
    from its underlying hardware infrastructure and
    made available to a workload. In addition, while
    a cloud does support grid, a cloud can also
    support nongrid environments, such as a
    three-tier Web architecture running traditional
    or Web 2.0 applications.
  • Grid computing emphasizes on computing sensitive
    task, and is difficult to automated scale. Cloud
    computing emphasizes on transactional
    application, a great amount of separate request,
    and can scale automatically or semiautomatically.

Difference between Cloudcomputing and grid
Computer cluster
  • A computer cluster is a group of coupled
    computers that work together closely so that in
    many respects they can be viewed as though they
    are a single computer. The components of a
    cluster are commonly, but not always, connected
    to each other through fast local area networks.
    Clusters are usually deployed to improve
    performance and/or availability over that
    provided by a single computer, while typically
    being much more cost-effective than single
    computers of comparable speed or availability.1
  • Grids tend to be more loosely coupled,
    heterogeneous, and geographically dispersed, grid
    computers do not fully trust each other.

  • Virtualization is a broad term that refers to the
    abstraction of computer resources. Virtualization
    hides the physical characteristics of computing
    resources from their users, be they applications,
    or end users.1 This includes making a single
    physical resource (such as a server, an operating
    system, an application, or storage device) appear
    to function as multiple virtual resources it can
    also include making multiple physical resources
    (such as storage devices or servers) appear as a
    single virtual resource.2
  • Virtualization technology is a aggregative term
    of technical means and methods to implement
    virtualization. It can be divided to many types
    based on objects storage virtualization,
    computing virtualization, network virtualization.
    Computing virtualization includeOS level
    virtualization, application level virtualization,
    hyper visor. Hypervisor include host vm and
    guest vm.

Cloud computing break out
  • Compared to its brother buzzwords, cloud
    computing is just beginning. Trends in usage of
    the terms from Google searches shows Cloud
    Computing is a relatively new term introduced in
    the past year. There has also been a decline in
    general interest of Grid, Utility and Distributed
  • Cloud Computing and Virtualization are the next
    hot hosting platforms the Dedicated server term
    is slowly starting to lose ground vs.
    Virtualization and Cloud Computing.

  • What is cloud computing
  • Cloud computing discriminate
  • Cloud computing technology
  • Cloud computing products and market

What cloud computing means to service provider?
  • Fast Provision
  • Reduce servers scale
  • Increase resource utilization rate
  • Improve management efficiency
  • Lower maintenance cost
  • Location of infrastructure in areas with lower
    costs of
  • real estate and electricity
  • Provide business continuity service
  • Improve management efficiency
  • Improve service levels
  • Complex architecture
  • Change of business model and faith

What cloud computing means to users?
  • Lower client workload
  • Lower Total Cost Ownership
  • Separation of infrastructure maintenance duties
  • domain-specific application
  • ? Separation of application code from physical
  • Not have to purchase assets for one-time or
  • intensive computing tasks
  • Expand resource on-demand
  • Make the application have high availability
  • Quickly deploy application
  • Pay per use

Cloud computing infrastructure features
  • Self-healing
  • Multi-tenancy
  • Virtualized
  • Linearly Scalable
  • Resource Monitor and measure
  • Resource registration and discovery

Cloud computing infrastructure architecture
  • The physical hardware layer is virtualized to
    provide a flexible adaptive platform to improve
    resource utilization.
  • The keys to new enterprise data center
    infrastructure services are the next two layers,
    the virtualization environment and management
  • The combination of these two layers ensure that
    resources in a data center are efficiently
    managed and can be provisioned, deployed, and
    configured rapidly.

Difficulties for cloud computing
  • Continuous high availability
  • Cosistency
  • Interoperability and standarlization
  • Scalability of all components
  • Data secrecy
  • Legal and political problem of data store and
    translation across regions
  • Performance issue
  • Difficulty customizing
  • Organizational obstacle

Potencial issues in cloud computing
  • Privileged user access.
  • Regulatory compliance.
  • Data location.
  • Data segregation.
  • Recovery.
  • Investigative support.
  • Long-term viability.

  • What is cloud computing
  • Cloud computing discriminate
  • Cloud computing technology
  • Cloud computing products and market

10 examples of entpereises using the clouds
  • The NY TimesAmazon EC2
  • NasdaqAmazon S3
  • Major League BaseballJoyent
  • ESPNRightscale using Amazon EC2
  • HasbroAmazon EC2
  • British Telecom3Tera
  • Taylor WoodrowGoogle Apps
  • CSSAmazon EC2
  • ActivisionAmazon EC2
  • Business Objects (A SAP Company)Rightscale using
    Amazon EC2

Cloud computing market
Cloud computing infrastructure techsolution
  • 3Tera - AppLogic grid OS used as cloud computing
    platform by service providers and enterprises
  • Appistry - Cloud computing middleware - Enables ea
    sily scalable cloud computing in the enterprise. 
  • Cassatt - Cassatt Active Response platform
    enables administrators to set policies to power
    physical and virtual servers safely on and off
    and pool their computing resources.
  • CloudHan - Cloud tech and infrastructure
    consultant, in China.
  •  CloudScale Networks - Cloud enabler.  Currently
    in private ALPHA only 
  • Enomaly Inc - Service Provider Cloud Enabler -
    Developer of the Enomalism Elastic Computing
    Platform Elastic Drive 
  • Q-layer - provides software for data centers that
    enables cloud computing, support VSAN, VLAN,
    VPDC, currently support VMware ESX.   
  • Skytap - IaaS service optimized for QA, Training,
    Demo, and Ops Testing. Supports VMware, Xen
    hypervisors Windows, Linux Solaris OS guests.

Cloud computing infrastructure provider
  • Agathon Group - Cloud provider. Services include
    highly available VPS, virtual private datacenters
    and ready-to-use LAMP stacks. Self-service
    ordering. Custom development and managed services
  • Amazon Web Services - Amazon EC2/S3
    (Hardware-a-a-S Cloud Storage)
  • CohesiveFT - CohesiveFT Elastic Server
  • ElasticHosts - UK-based instant, on-demand
    servers in the cloud 
  • Flexiscale - Another instant provisioner of web
    servers with some advanced features like
    auto-scaling coming soon. 
  •  GoGrid - instant, on-demand servers offering
    "control in the cloud". Deploy Windows/Linux
    servers via web-interface in minutes
  • GridLayer - Cloud Provider.  A service by Layered
    Technologies that delivers Virtual Private
    Datacenters and virtual private servers from
    grids of commodity servers
  • LayeredTechnologies - Cloud Provider. provider of
    on-demand hosting and cloud and utility computing
    solutions through its brand GridLayer
  • Mosso - Rackspace's cloud hosting service 
  • Newservers - Instant provisioning of web servers
    either Windows or Linux

Cloud computing Paas provider
  • Bungee Connect - Provides end to end tools and
    systems required to develop, deploy and host web
    applications (Platform as a Service)  
  • Coherence - Oracle Coherence Data Grid for EC2
    and other cloud platforms
  • -'s application
    development platform (PaaS)
  • GigaSpaces - middleware for the cloud,
  • Google AppEngine - (PaaS)Now support python
  • Heroku - Ruby on Rails in their Cloud  
  • Qrimp - An AJAX based PaaS 
  • RightScale - RightScale provides a platform and
    expertise that enable companies to create
    scalable web applications running on Amazons Web
    Services that are reliable, easy to manage, and
    cost less 

Service provider based on Cloud computing
  • CAM Solutions - SaaS Provider.  Cloud Event
    Management, Autonomics and Monitoring-as-a-Service
  • CloudStatus- CloudEnabler. Real-time performance
    trending of cloud infrastructure (currently
  • Kaavo's IMOD is an easy to use online
    application.  Cloud Computing Made Easy.
  • Microsoft Mesh 
  • Nasstar -  SaaS provider.  Business grade Hosted
    Desktop service, UK market leaders.
  • Nirvanix - Cloud Storage 
  • TrustSaaS - uptime monitoring and alerting
    service ('SaaS Weather Report') for Software as a
    Service (SaaS) run by an independent third party

Cloud computing open source projects
  • Infrastructure management projects
  • Enomalism, convirt, redhat genome, hyperVM,
    lxlabs, LN, OpenNEbula, reservoir-fp7,
  • Useful open source projects to build cloud
  • Kenso, hyperic, virt-P2V?

  • Question???