Cloud

Cloud

1. Types

   • Private
     • single organisation
     • managed internally or 3rd party
     • significant degree of engagement
   • Public
     • services over a network - open
     • different security to private
     • Amazon
   • Community
     • multiple organisations with common interests
     • costs spread over fewer users
   • Hybrid
     • not for businesses or consumers
     • benefits from multiple deployment models
     • Google's Gov Cloud

2. IaaS

   • web hosting providers
   • still responsible for management
   • data out there but more in control

3. SaaS

   • Google mail
   • on demand
   • central management

4. Paas

   • Developers
   • no servers, no maintenance team
   • someone else handles platform
   • no direct control

5. Benefits

   • Rapid Elasticity
     • unlimited storage
       • can buy more
     • scale up and down as needed
   • On-Demand self service
     • request and access as needed
     • instant resource provisioning
     • useful for project based needs
   • Resource pooling
     • service multiple customers to suit each needs
       • changes from one customer will not affect others
     • 1 large resource instead of many small
   • Measured Service
     • monitor and metre use of resources
     • costs and utilisation closely tracked
     • resource planning
   • Broad network access
     • diverse client platforms