Multi-Tenancy in the Cloud
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Transcript of Multi-Tenancy in the Cloud
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Multi-tenancyChallenges and Solutions
11/11/2010
Vikas HazratiInphina TechnologiesWww.inphina.com
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11/11/10
SaaS is a reality
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multi-tenancy
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multi-instance
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it is not multi-instance
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maturity
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level of multi-tenancy
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multi-tenant database
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multi-tenancy in clouds
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why it matters in the cloud
sell monthly or annual per seat subscriptionfraction as compared to onsite
reduce operating costmanage more with less
more money gives more room to innovate
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should SaaS always be multitenant ?
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prerequisite
is it a prerequisite for Cloud Computing?
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how it is done today
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coarse grained multi-tenancy
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challenges
complexity
cost
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challenges
elasticity challenge
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it is so damn hard!
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take a step back to the history
DOS
solution
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lesson learnt
deal with the infrastructure
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elastic middle-ware
service physicalresource
service abstraction
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dealing with infrastructure
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where are we?
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elasticity is still an issue
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google approach
sdk 1.3.6
17th aug 2010
namespaces api
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application level namespace
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Inphina.bookmyhours.comAmazon.bookmyhours.com
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user level namespace
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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?
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when not to go multi-tenant
not comfortable with security
high customization and tight integration
workload does not run in VM
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references
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