This presentation will compare the pros and cons for hadoop implementation on cloud such as Hortonworks on AWS, Hadoop as a service from company like Amazon AMR, Altiscale and on premise installations. It will talk about the total cost of ownership for each category of Hadoop implementation and share a TCO calculator. There will be multiple categories of cost such as – 1. hardware/infrastructure, 2. Network/communication, 3. License/software, 4. Application development/training 5.On going support cost. Focus will be to bring all hidden and non-hidden cost to visibility. Using the calculator, participant will be able to find their own cost of ownership for their Hadoop cluster and can plan better for project implementation and support. It will also talk about managing risks on vendor viability, loss of intellectual property and control on technical architecture.