Azure Compute – Virtual Machines

Azure Virtual Machines – Pricing Models

• Azure has 3 models for Virtual machine pricing
  • Pay as You Go/On-demand:
    • Unit of billing is 1 hour
    • No Commitments
  • Reservations/Savings Plan:
    • 1 or 3 year commitments
  • Spot:
    • To make revenue from unused hardware in Azure Datacenters
• Azure Pricing Calculator Refer Here
• Still to understand
  • Savings plan vs Reservations

Azure VM Image

• Azure VM Image is used to create vms with all the contents of VM packaged as VM Image
• Azure gives two kinds of VM Images
  • No additional costs
  • Additional costs hourly for VMImage
    • Pay hourly bills
    • Bring your own license
• Virtual Machine Images can be easily created manually and also from automated tools.
• Every Virtual Machine Image is identified by
  • Publisher: This refers to which organization is creating this specific image
  • Offer: This represents the application/os in the vm image
  • sku: flavour of the application or os
  • Version: this represents differnt versions of the same offer and sku
• Image is represented with convention <publisher>:<offer>:<sku>:<version> with name urn (unique resource name)