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Migrating to Cloud - A Step by Step
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Migrating to Cloud - A Step by Step

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Imaginea's take on how an organization can seamlessly migrate to Cloud. Aligning your IT strategy accordingly and move to cloud step by step is explained here.

Imaginea's take on how an organization can seamlessly migrate to Cloud. Aligning your IT strategy accordingly and move to cloud step by step is explained here.

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  • 1. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud in Steps Migration Strategy reachus@imaginea.com
  • 2. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Overview Cloud Treat IT as a Service Cloud movement  Service centric view  Cloud Criteria  Current and Future IT  Cloud RoI architecture  Cloud Migration  Cloud Maintenance
  • 3. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. IT – Service Centric View IT as a service • Delink from infrastructure • No more software licensing? • No more dedicated hardware? • Rent then the software/hardware and/or service as a whole • Possible only with IT centric view Commoditization • Can I change my server from 2 CPUs to 4 CPUs next week? ― What happens to my current hardware • Can I change my email service from one provider to the other? • Can I change my Order Management from one vendor to other? ― Yes, you can always change? ― What happens to my existing data: Migration trouble? • Resources when you need
  • 4. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Service Centric View – RoI RoI possible only when viewed in service centric of • Can I reduce the number of Microsoft Office licenses using cloud model? Service evaluation • Service SLA • Service infrastructure costs – Any SLAs? ― How much are we paying for services? ― How much are we paying for servers? ― How much are we paying for software? ― How much are we paying for network Evaluate RoI on these investments
  • 5. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Service SLA • What happens to my applications? ― Applications access, interface will remain same. No change for the user. • How soon can my enhancements be processed? ― No change. Same as before • How much time does it take to fix a production problem? ― No change. Same as before • How much control do I have on the data? ― Complete control • What happens to my backup and archiving services? ― Backup and archiving happens in cloud • How much time does it take to restore backup on the cloud? ― No change. Same as before • How much control do I have on my server? ― Complete control ― Can I reboot, change system configuration? Yes, absolutely. • What will be the performance of my application? ― No change ― What is the guarantee? (Benchmarks not yet present) • What will be the uptime? ― 99.95% for Amazon
  • 6. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud in steps Steps in moving to cloud 1 Cloud Criteria 2 Cloud RoI 3 Cloud Migration 4 Cloud Maintenance
  • 7. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud Criteria – Likely candidates1 • Do you have app candidates that are not frequently used? • Do you have varying degree of demands ― Need more horsepower in Holiday season • Do you expect your computing requirements (CPUs, storage, network services) to grow over a period of time? ― Pay for what you use now. No upfront costs? ― Scale when required • Support contracts for hardware, servers and network? ― Do you have huge costs? • Do you have the back up services running only in the night? ― Schedule the backup service and pay for that time only. • Do you want to share applications across the globe?
  • 8. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud Criteria – Likely candidates …contd • Platform compatibility ― Do you want to test your apps on multiple platforms? • Varying load • Better services at cloud ― Best-of-breed service available at a cheaper price? • My App can run anywhere ― No dependency on infrastructure • New deployments of you customers • Use Microsoft Office in US and India at different times. Pay for one license only? – Just an example
  • 9. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud RoI 2 • SLA evaluation ― Quantify the SLAs in cloud and non-cloud environments • Apply Cloud criteria and identify services to migrate to cloud ― Apply RoI for all these services • Understand the risks ― When is the network down? Whom should I contact? ― What is the process for Fixing IT production issue? • Decide to move
  • 10. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud Migration3 • Services identified to migrate ― Quantify the SLAs in cloud and non-cloud environments • Plan the migration ― Migrate easy ones first: Evaluate RoI and monitor SLA guarantees ― Gain experience ― Migrate the complex ones • Migrate the application: Pre production stage ― Deploy and test the application ― Scaling up and down strategy: Test the scripts ― Monitor the performance ― Test the applications: Functional tests, Stress tests, Load tests, Negative tests (insufficient disk, no network etc) • Move to production ― Shop around for optimum resources ― Test and Move ― Watch for discounts (Holiday season? And migrate?)
  • 11. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud Maintenance 4 • Monitor Services ― Monitor availability and use of Servers, Storage and Network • Scaling up and down ― Scale resource when you need • Crossed your budget? ― Track and monitor billing • Monitor performance of apps ― Apps were slow last week? and ― Why? • Bandwidth SLA? ― Network latency?
  • 12. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Cloud Risks • How do you measure SLA violations? • Can someone change the hardware underneath, while I’m sleeping? • What about Compliance? ― Government compliance in terms of Location of resources and type of software being used • Do I get locked in to a vendor? • Can the vendor take me for a ride? ― I don’t control anything? • Who will settle my dispute? • Last night, the application was down? ― Do not know the reason. Any trouble from your side? ― What happened? Network problem? Disk problem? Machine problem?
  • 13. © Copyright 2011. Pramati Technologies Private Limited. All trade names and trade marks are owned by their respective owners. Thank You http://www.imaginea.com reachus@imaginea.com

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