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Comparing Open Source  Private Cloud (IaaS)       Platforms         Lance Albertson      OSU Open Source Lab  Associate Di...
About me● OSU Open Source Lab● Server hosting for Open Source  Projects● Open Source development projects● Gentoo Develope...
Disclaimer
What Ill Cover                  ● Compare 4 IaaS                    Platforms                  ● IaaS Components          ...
Background Experience● Used Xen+iSCSI for several years● Researched an alternative tool● Picked Ganeti+KVM 3 years ago● Ha...
Current State of Private IaaS●   Many options●   AWS API support●   Maturity of the projects●   Solving different problems...
What do you want in an IaaS?●   Ease of use●   Fault tolerance●   Low-cost of entry/maintenance●   Performance●   Ease of ...
Major components of IaaS●   Storage●   VM Image management●   Self service / Web interface●   Networking●   Fault toleranc...
Platforms Im comparing
OpenStack History● Joint project with  Rackspace & NASA● Launched in June 2010● Enable anyone to  create and offer cloud  ...
OpenStack Components●   Nova (compute)●   Swift (object storage)●   Glance (image service)●   Keystone (identity managemen...
Eucalyptus History● Started as a research project at UC Santa  Barbara● Company founded in 2009 to commercialize  the proj...
Eucalyptus Components● Cloud Controller (CLC)  ○ Manages the virtualization resources and APIs  ○ Provides web interface● ...
CloudStack History● Originally developed by Cloud.com● Open Sourced in May 2010 (GPLv3)● Citrix purchased Cloud.com in Aug...
CloudStack Components●   Management Server●   Hypervisor Nodes●   Storage Nodes●   Layers: Zone, Pod, Cluster, Host,    Pr...
Ganeti History● Started as internal Google● Open sourced in August 2007● Used primarily for back-office  servers for Googl...
Ganeti Components● Master daemon   ○ Controls overall cluster coordination● Node daemon   ○ Controls node functions (stora...
ComponentComparison
Storage Comparison     Type         OpenStack   Eucalyptus   CloudStack   GanetiDisk Images          yes         yes      ...
VM Image Comparison     Type          OpenStack   Eucalyptus   CloudStack   GanetiImage Service         yes         yes   ...
Self Service Comparison      Type          OpenStack      Eucalyptus      CloudStack    GanetiWeb Interface           yes ...
Networking Comparison     Type         OpenStack   Eucalyptus   CloudStack   GanetiAuto-allocation      yes         yes   ...
Other factors                 OpenStack        Eucalyptus         CloudStack            GanetiCodebase           Python   ...
Ease of Installation  ● Included via distribution  ● Amount of upfront configuration needed for a base    install  ● Ease ...
Strengths / Weaknesses              OpenStack            Eucalyptus              CloudStack              Ganeti           ...
Which platform do you choose?●   Size of deployment●   Types of services to be hosted●   User-base●   Hardware/Budget limi...
Summary of Comparisons                   OpenStack           Eucalyptus         CloudStack            GanetiPhilosophy    ...
Choosing Openstack●   Very young project●   Lots of corporate backing●   Codebase is simplified (python only)●   Excellent...
Choosing Eucalyptus●   Fairly mature project●   Lots of features●   Codebase is complicated●   Complex installation requir...
Choosing CloudStack●   No Distribution Support●   Lots of features●   Medium complexity to setup●   Fault-tolerance built ...
Choosing Ganeti●   Fault tolerance built-in●   Ideal for smaller clusters●   Less complex, but less featureful●   No EC2 c...
What about the others?● OpenNebula - HPC community● Nimbus - Scientific community● oVirt - libvirt
No single winner or loser●   Solving different problems●   No perfect solution for everything●   Try each platform out fir...
Questions?     Lance Albertson    lance@osuosl.org       @ramerethhttp://lancealbertson.com
Comparing open source private cloud platforms
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Comparing open source private cloud platforms

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Private cloud computing has become an integral part of global business. While each platform provides a way for virtual machines to be deployed, implementations vary widely. It can be difficult to determine which features are right for your needs. This session will discuss the top open source private cloud platforms and provide analysis on which one is the best fit for you.

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Transcript of "Comparing open source private cloud platforms"

  1. 1. Comparing Open Source Private Cloud (IaaS) Platforms Lance Albertson OSU Open Source Lab Associate Director of Operations lance@osuosl.org / @ramereth
  2. 2. About me● OSU Open Source Lab● Server hosting for Open Source Projects● Open Source development projects● Gentoo Developer● Sysadmin● Jazz trumpeter
  3. 3. Disclaimer
  4. 4. What Ill Cover ● Compare 4 IaaS Platforms ● IaaS Components ● Discuss Strengths / Weaknesses ● Provide best uses for each platform ● NOT covering PaaS or SaaS platforms
  5. 5. Background Experience● Used Xen+iSCSI for several years● Researched an alternative tool● Picked Ganeti+KVM 3 years ago● Have had excellent experience for our use case● Created web front-end for Ganeti● Looking at augmenting services with OpenStack
  6. 6. Current State of Private IaaS● Many options● AWS API support● Maturity of the projects● Solving different problems● Complexity of the platform● Differences in backend architecture
  7. 7. What do you want in an IaaS?● Ease of use● Fault tolerance● Low-cost of entry/maintenance● Performance● Ease of expansion● API provisioning● Compatibility with other platforms● Agility / Fast provisioning
  8. 8. Major components of IaaS● Storage● VM Image management● Self service / Web interface● Networking● Fault tolerance● User management● API / Hybrid Cloud Readiness● Installation / Maintenance
  9. 9. Platforms Im comparing
  10. 10. OpenStack History● Joint project with Rackspace & NASA● Launched in June 2010● Enable anyone to create and offer cloud computing services● Many corporations joined
  11. 11. OpenStack Components● Nova (compute)● Swift (object storage)● Glance (image service)● Keystone (identity management)● Horizon (gui interface)
  12. 12. Eucalyptus History● Started as a research project at UC Santa Barbara● Company founded in 2009 to commercialize the project● Split into two editions: ○ Open-core ○ Open source● June 2012 back to fully open source
  13. 13. Eucalyptus Components● Cloud Controller (CLC) ○ Manages the virtualization resources and APIs ○ Provides web interface● Walrus (S3 storage)● Cluster Controller (CC) ○ Controls execution of VMs and their networking● Storage Controller (SC) ○ Provides block-level storage to VMs (EBS)● Node Controller (NC) ○ Controls VMs via hypervisors
  14. 14. CloudStack History● Originally developed by Cloud.com● Open Sourced in May 2010 (GPLv3)● Citrix purchased Cloud.com in Aug 2011● Donated to ASF in Feb 2012
  15. 15. CloudStack Components● Management Server● Hypervisor Nodes● Storage Nodes● Layers: Zone, Pod, Cluster, Host, Primary Storage, Secondary Storage
  16. 16. Ganeti History● Started as internal Google● Open sourced in August 2007● Used primarily for back-office servers for Google● Focus on hardware fault-tolerance● Local block-level storage● Cheap commidity hardware
  17. 17. Ganeti Components● Master daemon ○ Controls overall cluster coordination● Node daemon ○ Controls node functions (storage, VMs, etc)● Conf daemon ○ Provide a fast way to query configuration● API daemon - Provide a remote API● Htools - Auto-allocation & rebalancing tools
  18. 18. ComponentComparison
  19. 19. Storage Comparison Type OpenStack Eucalyptus CloudStack GanetiDisk Images yes yes yes yes [1]Block devices yes [2] yes [2] yes [3] yes [4]Fault Tolerance yes [5] yes [6] yes [7] yes1. Disk Image support has limitations2. Via an elastic block storage service3. iSCSI, OCFS2, CLVM (depends on hypervisor)4. Primary storage method, also has sharedfs support5. Uses rsync in the backend6. Not added until version 3.0, uses DRBD7. Parts are built-in, Storage is on your own
  20. 20. VM Image Comparison Type OpenStack Eucalyptus CloudStack GanetiImage Service yes yes yes noSelf Service [1] yes yes yes no [2]Amazon API yes [3] yes yes no1. Ability for users to create and manage their own VM images2. Third-party applications can offer this3. Some support
  21. 21. Self Service Comparison Type OpenStack Eucalyptus CloudStack GanetiWeb Interface yes yes yes yes [1]Users & Quotas yes yes yes yes [1]Console access yes yes yes yes [1]User management yes yes yes yes [1] 1. Available via third-party application Ganeti Web Manager
  22. 22. Networking Comparison Type OpenStack Eucalyptus CloudStack GanetiAuto-allocation yes yes yes no [1]Floating IPs yes yes yes noUser defined yes yes yes noLayer 2 yes yes yes no1. Proposal submitted but not yet implemented
  23. 23. Other factors OpenStack Eucalyptus CloudStack GanetiCodebase Python Java, C Java Python, Haskell, ShellHypervisors Xen, KVM, UML, Xen, KVM, Xen, KVM, VMware, Xen, KVM, LXC LXC, VMware VMware Citrix XenServerInstallation Medium Large Medium/Large LowRequirementsMaintenance Many components Depends on your Medium Easy[1] to maintain size 1. Base on my observation and opinion
  24. 24. Ease of Installation ● Included via distribution ● Amount of upfront configuration needed for a base install ● Ease of initialization of a cluster OpenStack Eucalyptus CloudStack GanetiIncluded in Ubuntu Excellent Install Guide Provide their own repos Included in Debian/UbuntuLots of configuration Yum/Apt repos Excellent install guide required Good DocsPuppet Labs Module Few commands for Minimal configuration Simple initialization needed initialization
  25. 25. Strengths / Weaknesses OpenStack Eucalyptus CloudStack Ganeti Young codebase Install requirements Very GUI centric Admin centric Uncertain future Configurable but not Single java core VM DeploymentWeakness very customizable Initial No AWS configuration Community Inclusion AWS integration weak integration Single codebase Excellent commercial Well-rounded GUI Fault-tolerance support built-in Growing Fault-tolerance Stack is fairly simple CustomizableStrengths community Offers a hybrid-cloud Customization of the Very simple to Corporate solution with AWS storage backend manage and support maintain
  26. 26. Which platform do you choose?● Size of deployment● Types of services to be hosted● User-base● Hardware/Budget limitations● Complexity of the system● Fault tolerance importance● Compatibility with other clouds
  27. 27. Summary of Comparisons OpenStack Eucalyptus CloudStack GanetiPhilosophy public & private hybrid Private, highly Private, node cloud, private/public customized failure tolerant, standardized cloud cloud, local storage API compatibility standardized APIPublic Cloud Some AWS Excellent AWS Some AWS NoneCompatibilityIdeal Setting Large group of Large group of Medium group of Smaller group machines for machines for lots machines for of machines for lots of users of semi-trusted semi-trusted highly trusted users users users with fault toleranceFault-tolerance Some built-in Good with recent Some built-in Fully tolerant / versions Designed
  28. 28. Choosing Openstack● Very young project● Lots of corporate backing● Codebase is simplified (python only)● Excellent for large deployments● Web interface is young, limited● Only use the components you need● Medium complexity● Excellent APIs
  29. 29. Choosing Eucalyptus● Fairly mature project● Lots of features● Codebase is complicated● Complex installation requirements● Great commercial support● Excellent hybrid-cloud platform● Re-focused effort back to Open Source
  30. 30. Choosing CloudStack● No Distribution Support● Lots of features● Medium complexity to setup● Fault-tolerance built into parts● AWS compatibility is weak● Monolithic component architecture● Recent ownership shifts● Used by several large hosting providers
  31. 31. Choosing Ganeti● Fault tolerance built-in● Ideal for smaller clusters● Less complex, but less featureful● No EC2 compatibility● Better performance● Local storage● Only solves the compute problem● Can be augmented with GlusterFS & other third-party applications
  32. 32. What about the others?● OpenNebula - HPC community● Nimbus - Scientific community● oVirt - libvirt
  33. 33. No single winner or loser● Solving different problems● No perfect solution for everything● Try each platform out first● Map out what your end goal is● Think about: ○ scalability ○ manageability ○ fault-tolerance
  34. 34. Questions? Lance Albertson lance@osuosl.org @ramerethhttp://lancealbertson.com
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