Introduction to Cloud computing and discussion about PAAS, SAAS and IAAS.

1. Cloud Computing
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2. What is Cloud Computing
Services or Solutions are delivered via internet
Client server architecture
Mainly Third-party
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3. Cloud Computing Architecture
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4. Characteristics of Cloud Computing
1. On-demand self-service
2. Broad network access
3. Resource pooling
4. Rapid elasticity
5. Measured service
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5. Deployment models
Public Cloud
operated by a third-party
Private Cloud
For organization
Hybrid
mixture
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6. Practical use of Cloud computing?
When you Create document on Google Docs
When you upload files to Dropbox
When you push to Github repository
Even When you play Clash of Clans
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7. Service Models
● Infrastructure as a Service (IaaS)
● Platform as a Service (PaaS)
● Software as a Service (SaaS)
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8. Infrastructure as a Service (IaaS)
Virtualized hardware is provided
Physical machines, virtual machines, virtual storage, etc.
Pay as you use
Managed for you (via HTTP, SSH)
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9. IaaS Examples
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10. Platform as a Service (PaaS)
Operating system layer is provided
Coding, testing, and deploying tools and containers
Subscriptions model (Yearly or monthly)
Upgrade and Scale
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11. PaaS Examples
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12. Software as a Service (SaaS)
Application layer is provided
Web-based service
Subscriptions model (Yearly or monthly)
Upgrade and Scale
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13. SaaS Examples
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14. Pros
● Cost efficiency
● Improved performance
● Almost unlimited storage
● Backup and recovery
● Automatic software integration
● Device independence
● Quick Deployment
● Easier scale of services
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15. Cons
● Technical Issues
● Security in the Cloud
● Prone to attack
● Possible downtime
● Inflexibility
● Lack of support
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16. What’s trending
Serverless Computing
Ie. AWS Lambda
Cloud Developer tools
CI - continuous integrations ie . Travis CI, Circle CI
Realtime error monitoring ie . Rollbar
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17. Thank you!
Any Questions?
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