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Multi-tenancy in the cloud

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Multi-tenancy refers to the ability to run multiple users of an application on a shared infrastructure. Such an infrastructure makes oblivious the need for having a dedicated infrastructure for each user or user group. This helps in the economies of scale by saving on the per user cost of operations.

Several SaaS based applications like provide a fine grained multi-tenant model. The common way to implement multi-tenancy is at the data layer, however this introduces a fair set of challenges when one decides to move to the cloud. Most solutions would focus around spreading the users across the cloud, however, what happens when a user is large enough to spread across the cloud? If you have an existing application, it requires a complete rewrite and also forces fairly significant changes to the existing data model. The current set of multi-tenant practices do not address the challenges of dynamic elasticity. The session tries to look at the challenges and possible solutions for the context.

Publicado en: Tecnología
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Multi-tenancy in the cloud

  1. 1. Multi-tenancy in the Cloud Vikas Hazrati Inphina Technologies 1
  2. 2. SaaS is a reality 2
  3. 3. multi-tenancy 3
  4. 4. multi-instance 4
  5. 5. it is not multi-instance 5
  6. 6. maturity 6
  7. 7. level of multitenancy 7
  8. 8. multi-tenant database 8
  9. 9. multi-tenancy in clouds 9
  10. 10. why it matters in the cloud sell monthly or annual per seat subscription fraction as compared to onsite reduce operating cost manage more with less more money gives more room to innovate 10
  11. 11. should SaaS always be multitenant ? 11
  12. 12. prerequisite is it a prerequisite for Cloud Computing? 12
  13. 13. how it is done today 13
  14. 14. coarse grained multi-tenancy 14
  15. 15. challenges complexity cost 15
  16. 16. challenges elasticity challenge 16
  17. 17. it is so damn hard! 17
  18. 18. solution take a step back to the history DOS 18
  19. 19. lesson learnt deal with the infrastructure 19
  20. 20. elastic middle-ware service physical resource service abstraction 20
  21. 21. dealing with infrastructure 21
  22. 22. where are we? 22
  23. 23. elasticity is still an issue 23
  24. 24. google approach sdk 1.3.6 th 17 aug 2010 namespaces api 24
  25. 25. application level namespace 25
  26. 26. user level namespace 26
  27. 27. maturity 27
  28. 28. concerns security impact of other clients no I can pay, make me special being forced into an upgrade configurations / customizations to a level user acceptance testing? live date, whats that? 28
  29. 29. when not to go multi-tenant not comfortable with security high customization and tight integration workload does not run in VM 29
  30. 30. references 30
  31. 31. contact us 31