Mainframes Mini Computers Client/Server Browsers
internet … web applications … grid computing … virtualization … cloud infrastructures
The Cloud Is Evolutionary – And It’s Still Evolving
Cloud Service Delivery Models
Software as a Service (SaaS)
Applications, Business Logic…
Platform as a Service (PaaS)
APIs, Pre-Built Containers…
Infrastructure as a Service (IaaS)
Hardware, VMs, Storage
What is the cloud all about?
! An economic model based on defined repeatable
! Scaling workloads supporting highly predictable workloads
(email, storage, repeatable service-based applications)
! Environment optimized – hardware, power, operating system,
! Self-service – provisioning and billing
! Scale up and down
! A service management discipline
! A planned approach to using the right approach to solve
the right problems at the right time
View from top management
! Public clouds allow me to
benefit from technology
without buying more
hardware and support
! IT takes too long to execute
! I can respond more quickly
to changing business needs
! Google and Amazon can do
things my IT organization
! I can cut expenses
The reality of the public cloud
! Good for highly ! Costs can be high as
scalable, predictable companies scale
workloads ! Are you locked in?
! Appropriate for ! Compliance can be
services based an issue
models (payment ! How trusted is the
When do companies consider Private clouds?
! As you scale will public
clouds still be economical?
! Is your business IT?
! Are you a service
provider to your
! Can you create a
revenue model for
! Do you support a
Clouds will be hybrid
! The world is never black and
white – shades of gray
! Some workloads are highly
! Some organizations must
support lots of legacy
hardware, operating systems,
! Public clouds will reign
supreme for highly scalable,
lower risk, predictable
! Compliance and regulations
will help dictate decisions
Issues Slowing Adoption?
… and availability, and performance
Is it really about security?
! How secure is the
! How secure is your
Be prepared to answer these questions
! What is your Cloud strategy plan?
! Which workloads are most economical for the cloud?
! Can you trust your cloud provider?
! Can you move your workload from one provider to another?
! What type of SLA does your provider offer? Read the fine print
! What is your governance model?
! Where does your data live, how is it secured, and how does
this impact your information governance strategy?
! Do you have a service management strategy across your data
center, public cloud services, and private cloud?