MS - service mapping to host vs container

 Service to host mapping

  • Self managed
    • Multiple services per host
      • ease of host management
      • lower cost will off set with managing virtualisation
      • Difficult to monitor shared resources(CPU)
      • Larger impact on host failure, impact analysis will be difficult
      • Difficult to manage dependency on each service
    • Containerisation: One service per container: multiple containers per host 
    • One service per host 
  • Platform as a service
  • Serverless
Host virtualisation options
  • VM based virtualisation layers
    • Machine
    • Kernel
    • Host OS
    • Hypervisor
    • VM
    • Kernel
    • VM OS
    • Apps
  • Container based virtualisation layers
    • Machine
    • Kernel
    • Host OS
    • Container engine
    • Bins/libs
    • Apps

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