12
Private Clouds

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  • 1. Private Clouds

2. Private Clouds On-PremisesService ProviderUsersA AACloud Applications (SaaS) Compute/Storage/NetworkA VMVMAPrivate CloudA VMCompute/Storage/NetworkAAAVMAVMVMCloud Platform Compute/Storage/Network 3. Using Traditional Virtualization Key benefit: Lower costs through server consolidationIT UserA VMA VMVMVMHypervisors Compute/Storage/Networking3) Manually create resource1) Request resource (e.g., VM) from administratorVM Management ToolVM Admin2) Verify that request is allowed 4. Using a Private Cloud Key benefit: Faster, simpler, cheaper deployment of VMs and applications 2) Request resource (e.g., VM) directly from cloudSelf-Service Portal IT UserAAVMVMVMVMCloudCloud1) Create clouds with predefined services, users, access rights, and quotasHypervisors Compute/Storage/NetworkingVM and Cloud Management ToolsVM Admin 5. Evaluating Private CloudsBenefitsRisksFaster deployment of VMs and applications, because the process is automatedVM administrators find it hard to trust users to deploy their own VMs and applicationsReduced administrative costs, because more of the process is automatedVM administrators might resist having part of their job automatedFewer deployment errors, due to automated deployment of standard servicesDefining standard services can be challenging, since users want different thingsEasier cost management, with per-VM chargeback or showbackChanging operational processes is hard for risk-averse IT departments 6. Using a Private Cloud: Example Scenarios A dev/test group getting VMs on demand A central IT organization in a multi-division company providing VMs and applications to business unit IT staff in their organization A CIO demonstrating innovation 7. Private Cloud or Public Cloud? Private clouds can make internal data centers more efficient They provide IaaS in your data center Theyre the evolution of virtualization But public cloud platforms are the best choice for many new applications Such as apps that require elastic capacity Organizations will likely use both Its not an either/or decision 8. Combining Private and Public Clouds A service provider (e.g., a hoster) can provide a public IaaS cloud using the same technology that an enterprise uses to create a private cloud The public and private cloud can be linked together in a hybrid cloud VMs can potentially be moved between the two Example scenarios: Quickly getting VMs with minimal commitment Offloading work to the public cloud when more resources are needed 9. Illustrating Private Cloud Technologies Service Providers (Public IaaS Cloud)AAVMVMSelf-Service PortalA VMVMVMCloud ManagementPrivate CloudPrivate Cloud Hypervisor Compute/Storage/ NetworkingConverged InfrastructureCloud UserCloud/VM Admin VM Management 10. Private Cloud ExamplesSupported HypervisorsConverged InfrastructureVM Management vCenter ServerVMwareESX/ ESXivBlockMicrosoftHyper-V, ESX/ ESXi, XenServerMS Private Cloud Fast TrackHPESX/ESXi, Hyper-V, CloudSystem MatrixOpenStackKVM, XEN, AbiquoESX/ESXi, Hyper-V, Xen, Cloud ManagementSelf-Service PortalvCloud DirectorVirtual Machine Manager Cloud Service Automation OpenStack Compute Abiquo Enterprise EditionAppController, Service ManagerService Providers vCloud Express, vCloud Datacenter MS Private Cloud Service Provider Program CloudSystem Service Provider OpenStack Compute Abiquo Partner Program 11. The Impact of Private Clouds Private clouds arent a substitute for public clouds The two address different problems For many organizations, adopting private clouds is easier than adopting public clouds The risks are easier to bear Enterprises are likely to adopt private clouds rapidly 12. Conclusions Cloud computing is here All three aspects are important: Cloud applications Cloud platforms Private clouds A new world is unfolding Prepare to be part of it