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    VM PRONISIONIONG ON

    CLOUD

    Presented by :

    Kamlesh S. Adhau

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    RESOURCESIN CLOUD COMPUTING

    Applications/services and basic functions provided in a Cloud are basedon the Virtual Resources which are abstracted from Physical Resources.

    Computational resources are managed in terms of Virtual Machines(VMs)

    and/or Virtual Clusters (VCs) [1].

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    PROVISIONING CHALLENGES

    VM size estimation

    Placement

    Consolidation and Load Balancing

    Performance isolation

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    To prepare VMs with appropriate resources and makethem ready for user applications Allocating resources to VMs to match the workloads

    To manage changes in resources availability throughVMs restore or migration

    Goals: High resource utilization

    Energy efficiency

    reliability of services

    Low performance interference

    RESOURCE PROVISIONING

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    SCENARIO

    Resource

    Broker 2

    Resource

    Broker 1

    VM

    VM

    VM

    VMVirtualized Service

    VM

    VM

    VM Virtualized Service

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    CLOUDENTITIESINVOLVEDINRESOURCE

    PROVISIONING

    Resource Providers (RPs) Business companies, cluster managers and even hosts which

    provide physical resources as IaaS (Infrastructure as a Service).

    Clients

    Users/Application that are interested in resource provisioning. They do not have knowledge regarding or control over the

    underlying data center infrastructures of the Clouds

    Resource Brokers (RBs) [2] allocate resources for applications/services on multiple VMs in

    order to fulfill requests of different Clients

    manage resources provided by several RPs deploying VMs onseveral Physical Servers in the same Cloud, or even differentClouds.

    resource allocation in order to obtain the most cost-effectiveresources

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    VM LIFECYCLE

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    PROVISIONING PROCESS ORGANIZATION

    Ensures that requirements are validated against infrastructure providercapabilities

    Security policy,

    Available resources.

    User asks infrastructure provider to create and expose a VM Set

    Filing out a predefined request form.

    Complex element of the process

    Captures knowledge about the application to be deployed,

    Configuration templates applicable to different settings (port numbers, app args.),

    .

    Tasks required of the provider to implement the logical representation

    If the required resources are not available, the instantiation mustremain in the pending state until the problem is resolved.

    Involves deployment of specific VMs with the required configuration of OSand application resources

    Automated middleware configuration and tuning,

    Networking services; VLAN, VPN,

    Can be achieved by the OVF and OS/middleware provisioning tools.

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    VM PROVISIONINGPROCESS

    Appliances

    Repository

    Servers Pool

    Load OS and

    Appliances

    Customize and

    ConfigureInstall Patches Start the Server

    Running Provisioned VM

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    WHATIS VM SET TEMPLATE

    Using pre-installed VMs on cloud

    Pre-configured [1]

    Just need to interface

    Advantages

    - eliminates the installation and configuration costs

    - Faster provisioning

    - Reduces the efforts

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    ARCHITECTUREINCLOUDCONTEXT

    Resource Provisioning

    manager (RPC)

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    TOOLSUSEDFOR RPC

    Amazon EC2

    VMware vSphere

    Eucalyptus

    Open Nebula

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    WHAT IF

    CLOUD

    WILL

    NOT ABLE

    TO PROVIDEREQIRED

    RESOURCE

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    SOLUTION- CLOUD FEDERATION [3]

    allows providers to trade their resources

    through federation regulations [3]

    Outsource requests to other members of thefederation

    Advantage

    - Reduce chances of rejection of customer requests- Increase the profit of cloud service provider

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    CLOUD FEDERATION ARCHITECTURE

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    ADVANTAGES & DISADVANTAGES

    Advantages

    - Fast provisioning than manual process

    - Unlimited resources / Unlimited scalability

    - No downtime- Reduced overhead of upgrade & maintenance

    Disadvantages

    - Under provisioning / over provisioning [4]

    - Never comes in isolation

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    REFERENCES

    [1] Ye Hu, Johnny Wong, Gabriel Iszlai, Marin Litoiu, Resource Provisioning for Cloud

    Computing. Available: http://www.ce.uniroma2.it/courses/MMI/cloudResProv.pdf.

    [2] Xiaoqiao Meng, Canturk Isci, Jeffrey Kephart, Li Zhang, Eric Bouillet, Dimitrios

    Pendarakis, Efficient Resource Provisioning in Compute Clouds via VM, June 2010, ICAC

    10. Available: http://canturkisci.com/ETC/papers/ICAC2010/camready.pdf

    [3] Adel Nadjaran Toosi, Rodrigo N. Calheiros, Ruppa K. Thulasiramy, and Rajkumar Buyya,

    Resource Provisioning Policies to Increase IaaS Providers Profit in a Federated Cloud

    Environment, May 2011.

    Available: http://www.cloudbus.org/papers/CloudFederation-HPCC2011.pdf

    [4] Benefits of Vmware [online] Available: http://www.cites.illinois.edu/vmware/benifits.html