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I’m Cloud Confused
Demystifying Cloud Computing
What the say:
“Biggest Paradigm Shift in 20 years”
“Game Changers”
“Tremendous Cost Cutting”
“Just On”“Pay As You Go”
Describe The Cloud To Me
21 experts are defining cloud computing http://bit.ly/C6jIm
The Cloud
*Picture taken under Creative Common license
Who Cares?
What is it for me?
First, What the heck isCloud Computing
First, what the heck is Cloud Computing?…in simple, plain English please!
Let’s use a simple analogy
Say you just moved to a city, and you’re looking for a place to live
You can either
Build a house or Rent an apartment
If you build a house, there are a fewimportant decisions you have to make…
How big is the house?
are you planning to grow a large family?
Remodel, addition typically cost a lot more once the house is built
But, you get a chance to customize it
tileflooring
Roof floor plan
landscaping
windows
lighting
Once the house is built, you’re responsible for maintenance
Hire LandscaperElectricianPlumber
Pay property taxElectricity Water
Gutter CleaningHeating and Cooling House Keeping
How about renting?
Consider a builder in your city builds
a massive number of apartment units
A unit can easily be converted into a 2,3,4 or more units
You make a fewer,
simpler decisions
You can start with one unit and grow later, ordownsize
But…You do not have
a lot of options to customize your unit
However, builders provide you with
very high quality infrastructure
high speed Internet
high capacity electricity
triple pane windows
green materials
No need to worry about maintenance cost
No need to Hire landscapers, electricians, plumbers
Just pay your rentand utilities
Pay as You Go
Let’s translate to Cloud Computing?
As an end-consumer, believe it or not you’ve been using Cloud for long times
Yes, most of them are
Free
In return, you’re willing to give away
your information for ads and other purposes
But you’ve been enjoying High Reliability Service
Unlimited Storage
Connecting, Sharing
(ok, ok, most of them are)
OK, Now tell that to the business owner
Give up your data, thenyou can use this infrastructure for
free
This is how their CEO would feel
My Business Needs…
SecurityPrivacy
Reliability
High Availability
Building EnterpriseSoftware
Stone WallFire-proofMoatArmy Death Hole
is like…. Building Medieval Castle
Let’s Hire an Army of IT Engineers
Software Upgrade SupportBackup/Restore
Service PackDevelopment Network issues
Let’s BuildHuge Data Center
Capacity Planning
Disaster PlanCooling
Management
Server Crashes
In the mean time,…
Many things have changed
The enterprise world we live in 2010 and beyond
Global Direct, Open CustomersCommunication
TransparencyWork Remotely
Digital Life Convergence(e.g. Social Media)
(Work and Personal lines are blurring)
(Customers, Resources, IPs are acquired everywhere)
(Mobility Trend)
(Blogs, Social Computing) Brief Collaboration(Assemble the best, Disassemble upon completion)
Layoffs
2008-09Economy is upside down
Excess CapacityBankruptcy
Can we bridge the gap?
Requires a New Wayof Thinking
Cloud Computing is notanswerthe
for all
But it could simplify our lives….
Leave it the expertswho have a lot of money to spend to build
giant datacenters across the globe
Your data is replicated3 or 4 times in their data center
High Availability
Adding “servers” is a click away. Running in just minutes, not daysHi
gh Tr
affic?
It can even load balance your server traffic
Expect your Cloud
Networkis always up
Yes, you can even pick where your data
and “servers” reside
Business Contraction?
Just reduce your computing power, storage
Wait, What is the catch?
Cloud Computing is relatively new technology
Growing Pains
We all learn from it
Only a handful of major playerscan build
this massive infrastructure
Not many software written yet to takeadvantage of cloud infrastructure
Sensitive Data in the Cloud?are there yet?
Data at Rest
Data in Motion
Encryption
Yes, you’re loosing some controls
physical securitysome configurations
only subset of APIs
Let’s clear common confusionsabout Cloud Computing
Who is paying whom?
Typical Scenarios
You(Business, Individual)
Software/ServiceProviders
Cloud/InfrastructureProvider
You may also build softwaredirectly on the provider’s platform andpay them directly
Do I have to start over?
In some cases, you could redirect your data to the cloud
Migrate Data to the Cloud
Before
In some cases, you could redirect your data to the cloud
After
However, to take advantage fully, migrate all or create new apps on the cloud
Employees
Customers
Suppliers
Is this just Hosting 2.0?
No, they have different architecturesand business model
Cloud Players Hosting Players
Only few can afford billions dollar investment on data centers
Hundreds of them aroundthe world
Hosting Players
Often yearly
Your contracts
Cloud Players
Pay As You Go
Pay only what you use
Hosting Players
Reliability, High Availability, Capacity Elasticity
Cloud Players
Built-in Redundancy
Virtually unlimited storage, computing power
You have to manage reliability, fail over yourself
Bring your own or rentservers to increase capacity
The end of PC ?
Most cloud applications that will be built are accessible from PC. Applications can be a browser base, applicationrunning on PC accessing data and services on the cloud
NO
So will the mobile applications
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