Is the cloud cost-effective?

Steph Locke (@SteffLocke)

2017-12-09

Steph Locke

Agenda

  • Useful concepts
  • Costs of being on-prem
  • Costs of being in the cloud
  • Building a financial case

Useful concepts

Compound interest

Depreciation

Opportunity costs

Costs of being on-prem

On-prem new

  • Device
  • Software
  • Implementation time
  • Ongoing costs
  • Power / datacentre costs
  • Staff
  • Support agreements
  • Backups

On-prem upgrade

  • Device
  • Software
  • Migration time
  • Ongoing costs
  • Power / datacentre costs
  • Staff
  • Support agreements
  • Backups

Costs of being in the cloud

Cloud new

  • Ongoing cost
  • Implementation time

Cloud migration

  • Ongoing cost
  • Migration time

Building a financial case

Cost of development

  • How many days to upgrade?
  • How many days to convert?
  • How many days to do like-for-like migration?
  • What are the typical costs?
  • What won’t we be able to do whilst we’re doing the development?

Physical costs

  • What are the costs for hardware?
  • How long will the hardware be in use?
  • Are we fitting to current requirements or requirements towards EOL?
  • What are the licence costs?
  • What are the ongoing costs of maintaining the server?

Cloud costs

  • What are the costs currently?
  • What are the growth assumptions?
  • Are there change points in cost that will be encountered?

Demo

App

Wrapup

Wrapup