3. What is the Cloud / Why ?
u A mix of old and new concepts, mixed in a marketing term
« Cloud » (marketing, decision making)
A simple optimization story to begin with…
u A simple evolution that is becoming a game-changer!
5. Why is Cloud trending ?
u Volatile & low performant devices
u Increased IT complexity
u Higher performant networks (3G is a game changer)
u Hardware cost is… negligeable!
6. Consequences of Cloud
u For users:
u Your data is everywhere
u Your data is stored (and « owned »?) by
third parties.
u You can throw your iPhone from the
window, your data is safe
u Wait don’t do it!!
6
7. Consequences of Cloud
u For decision makers (CEO, CTO):
u Moves Capex to Opex (can have tax
consequences…)
u Cost of entry and cost of exit driven down.
u Reduced capacity planning
u Easier to compete on tech
9. Consequences of Cloud
u For architects:
u Strong design requirements:
u Secure by design
u Resilient by design
u Scalable by design
u Fresh by design
u All updates are available
u More $$
10. Consequences of Cloud
u For devs
u Harder to code against
u Easier deployment and management
u More responsability (DevOps)
u Easier to test (setting up a test env takes
minutes)
u More $$
11. Consequences of Cloud
u For governments
u Slowly losing independence and data-control
u Tax evasion
u Destroys IT jobs
u Inability to compete
u Scale is important
u Energy cost is key: 80% of storage cost is
electricity
u The US has the cheapest electricity! 11
