kartaca recipes for cloud

07.03.2012 Kartaca

Bekir Dogan & Roy Buyuksimkesyan

Recipes For the Cloud

07.03.2012 Kartaca

• Who Are We?• What is Cloud?• Why is it depicted as cloud?• Restaurant Analogy• What Are The Key Features of Cloud• Some Tidbits About Security• Why You Should Not Move to The Cloud• A Life Without Cloud Services• Why Are They Cloud Services?

Outline

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Before All!

Don’t be afraid of the outline,we got a break :)

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Who Are We?

• Mobile Services• E-Commerce• End User Portals• Consultancy• Open Source

Software• Parkyeri

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What is Cloud?

Cloud computing is the delivery of computing as a service rather than a product, whereby shared resources, software, and information are provided to computers and other devices as a utility (like the electricity grid) over a network (typically the

Internet).

http://en.wikipedia.org/wiki/Cloud_computing


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What is Cloud?

• A new kind of SaaS platform• For end users• Shared resources• Reallocate these resources easily• No knowledge on where or how• Allows you to focus on your strengths

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Why is it depicted as Cloud

The term "cloud" is used as a metaphor for the Internet, based on the cloud drawing used in the past to represent the telephone network, and later to depict the Internet in computer network diagrams as an abstraction of the

underlying infrastructure it represents



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Why is it depicted as Cloud

• Borrowed from Telephony• Distinctive Responsibilities• You don’t know what happens inside• Looks and sounds better than black

box :)

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Restaurant Analogy

Did you get what cloud is?

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Restaurant Analogy

• You have your own kitchen and place• You cook for 3 persons• Yourself• Your roommate• Your roommate’s girlfriend/boyfriend

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Restaurant Analogy

• You should spent time for:• Deciding what to do?• Selecting ingredients• Cooking them• Preparing the table• Eating it • Dishwashing• Desserts?

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Restaurant Analogy

• You should pay for:• Ingredients• Gas• Heating (Dishwashing)• Water (Dishwashing)

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Restaurant Analogy

I hated cooking already...

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Restaurant Analogy

Consider you are throwing a party!

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Restaurant Analogy

• The time you will spend on the previous tasks will be exponentially increased

• Money too• You gotta invite these people,...• Don’t forget the drinks(!) and snacks,...• But that’s a party, right...

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Restaurant Analogy

What if no one comes?What will happen then?

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Restaurant Analogy

Consider you are going to a restaurant.

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Restaurant Analogy

• You should spent time for:• Dressing (?!)• Choosing where to go• Choosing what to eat• Choosing what to drink• Considering if the dessert will be OK• Calculating calories (ladies only)

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Restaurant Analogy

• You should pay for:• Things you have ordered

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Restaurant Analogy

I liked that,... A lot...And I will spent similar time and money for 100

people

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Restaurant Analogy

Cloud is very similar to going a restaurant.

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Restaurant Analogy

• Shared kitchen/storage• Shared waiters/service providers• Pay what you order/use• Focus on the food/product

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Key Features

• Empowerment of End users• You select from the menu and they bring it to

you• Agility to change your infrastructure• Order as much you want for breakfast or dinner

• API Accessibility• Take Away, Order home, go there...

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Key Features (Contd.)

• Accessibility and Location Independence• Order from anywhere to home or office

• Cost Reduction• Pay what you eat, spend less time

• Reliability• You know that you will be “fed”

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Key Features (Contd.)

• Scalability• Be it 1 or 100,it will be handled

• Easy Maintenance• Don’t worry about dishwashing

• Security• No poison, no cheating

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About Security

• Software is buggy• Trust issues between user and provider• We all cracked (still?) software• How security is measured

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About Security (Contd.)

What if Sony had moved to the cloud?

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Don’t Move!

You should reconsider, moving to the cloud

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Don’t Move!

• If you• Have bought your own hardware• Are Making your own administration• Are scaling on your own• Are deploying automatically

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Don’t Move!

• If you don’t want to• Migrate existing systems• Be limited to provider’s features

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Don’t Move!

• If you have• Already optimized systems• mature policies• have sufficient personnel• solved too many complex problems

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Don’t Move!

• And also consider:• Provider problems affects you• Many customized products• Contracts with old customers• Analyzing your actual resource needs• What will happen if you get attacked

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Don’t Move!

No, you don’t pay less for moving.It’s way more expensive

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A Life Without Cloud

• Heroku is an application server provider• Allows you to manage server resources• Deploy easily.

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Life Before Heroku

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• Write your web application• Buy servers• Build a room for them• Ethernet cables, power cables, coolers,...

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• Create your network• Firewalls for security• Internet Connection and Bandwith• LDAP for central user authentication

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• Install OS to servers• Make them work like a cluster• Install monitoring tools• Buy UPS and connect it to the servers• Install backup tools for disaster recovery

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Finally, somethings about application itself

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• Install Application dependencies• Install Database server• Domain name, static IP, DNS• Deploy the application

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Life After Heroku

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• Write your web application• Register and Configure your Heroku

Account• Install Heroku Deployment Tools To

ease management• Git Push (Commit) to Deploy

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• Start improving your application• Add/remove resources on your fancy• Spend time with your girlfriend• Go to vacation

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Live a good life...

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Cloud Services

Why and How some cloud services are cloud?

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Cloud Services

• Spotify• Accessibility• Reliability• Cost Reduction• Easy Maintenance• Empowerment

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Cloud Services

• Heroku• Empowerment• Agility• Accessibility• Cost Reduction• Scalability• Easy Maintenance• Reliability• Security

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Cloud Services

• Windows Azure• Empowerment• Agility• Accessibility• Cost Reduction• Scalability• Easy Maintenance• Reliability• Security

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Cloud Services

• DropBox• Empowerment• API Accessibility• Accessibility• Easy Maintenance• Reliability• Security

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Cloud Services

• Amazon• Empowerment• Agility• API Accessibility• Accessibility• Cost Reduction• Scalability• Easy Maintenance• Reliability• Security

07.03.2012 Kartaca

Thanks

Bekir DoganRoy Buyuksimkesyan

[email protected]@kartaca.com

You have questions, right?

kartaca recipes for cloud

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