Basics of Cloud Computing

1. Basics of Cloud Computing ( AWS )
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2. Agenda
• What is Cloud Computing ?
• Types of Cloud Computing
• Cloud Services Providers
• Services provided
• Pros & Cons of Cloud
• Questions & Answers
• Hands on Session
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3. What is Cloud Computing
It is anything that involves delivering hosted
services over the Internet.
Customer pays on pay-as-you-use basis ( Hourly
basis or even on CPU cycles basis ).
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4. Types of Cloud Computing
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5. Cloud Services Providers
• IaaS ( Infrastructure as a Service ): Customer uses own
platform, OS and apps. For ex. Verizon, AWS provides EC2
• PaaS ( Platform as a Service ): Customer uses own apps. only.
For ex. Microsoft Azure, Google App Engine.
• Saas ( Software as a Service ) : For ex. Gmail, picasa, flickr.
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6. Services Provided
• Computation ( IaaS )
• Storage ( IaaS )
• Databases ( PaaS)
• Workflows ( Something like Activiti ) (PaaS)
• Email Services ( PaaS )
• Queue Services ( PaaS )
• Map Reduce Services ( PaaS )
• NoSQL, In Memory Databases like Redis & Memcache ( PaaS)
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7. Advantages of Cloud Computing
• Cost Effective esp. for small set ups
• Scalable to any extent esp. useful when you need systems
for short duration like performance testing, Big Data Jobs.
• All your resources are available anytime from anywhere.
• Minimal Maintenance and devOps.. like DB Backups,
storage backups all can be done automatically
• High availability automatically.
• Unlimited Storage.Esp. useful as you cannot buy 5 TB in one
go.
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8. Drawbacks of Cloud Computing
• Always Need Internet connection
• Security issues in some cases.
• Sometimes you get dependent on particular
cloud provider.
• Might not be cost effective for really big setup
in some cases.
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9. Questions & Answers
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10. Hands on Session on AWS
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11. Thanks
- Deepak Singhal
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