infrastructure as a service ( iaas)
TRANSCRIPT
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Infrastructure as a Service (IaaS)Computing elements as service on demand
Introduction to Cloud Engineering http://cloud-engineering-india.blogspot.in
http://youtube.com/user/dastikop
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At the end of the this lesson learner be able to
● Articulate the meaning of IaaS,
● Appreciate its characteristics
● know some of its appropriate uses and
● where IaaS inappropriate
Learning Objectives
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● Infrastructure as a service ( IaaS) is a means
of delivering computing infrastructure as
an on- demand service.
● It is one of the three fundamental cloud
service models
Infrastructure as a Service
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Iaas provides the following
● Servers- compute, machines
● Storage
● Network
● Operating system
Computing Infrastructure
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The user instead of purchasing- servers,
software, data center space or network
equipment, rent those resources as a fully
outsourced service on-demand model.
How does IaaS Works?
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IaaS can be obtained as
(1) Public or
(2) Private infrastructure or
(3) combination of both
Public Cloud is considered infrastructure that consists of shared
resources, deployed on a self-service basis over the Internet.
Private cloud incorporates some of cloud computing features such
as Virtualization, but does so on a private network
IaaS- Categories
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● Resources are distributed as a service
● Allows dynamic scaling ( 1...10....100.....)
● Has a variable costs-
● Generally includes multiple-users on a
single piece of hardware. (multi-tenancy)
IaaS- Characteristics
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IaaS is useful in the following situations
1.
● where demand is very volatile- any time there are significant
spikes and troughs in terms of demand on the infracture
o amazon.in, snapdeal, flipkart- during festival season
IaaS- Appropriate uses
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IaaS is useful in the following situations
2.
● For new enterprise without capital to invest in hardwareo entrepreneurs starting on a shoestring budget
IaaS- Appropriate uses
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IaaS is useful in the following situations
3.● Where the enterprise is growing rapidly and scaling hardware
would be problematico a company that experience huge success immediately
IaaS- Appropriate uses
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IaaS is useful in the following situations 4. ● Where the enterprise is growing rapidly and
scaling hardware would be problematico a company that experience huge success
immediately - animato, pinterest
IaaS- Appropriate uses
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IaaS is useful in the following situations 5. For specific line of business, trial or temporary infrastructural needs
IaaS- Appropriate uses
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● Where regulatory compliance makes the offshoring or
outsourcing of data storage and processing difficult
o personal information, medical information can not be stored
in another country
● Where the highest levels of performance are required, and on-
premise or dedicated hosted infrastructure has the capacity to
meet the organization’s needs
o network latency,
IaaS- inappropriate use
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● IaaS is one of three fundamental cloud service models
● IaaS provides basic computing resources- storage, servers,
software networks
● Iaas resources are provided on-demand and utility model
Conclusion