cloud computing- components, working, pros and cons

Post on 13-Dec-2014

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what is cloud computing? A simple and learning approach

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ComputingCloud

Presented by:Amritpal Singh bedi

• Large group of remote servers• Provide high storage space• Multiple user can access data through single server

without purchasing licenses for different apps• New IT focus

Cloud Infrastructure

Full virtualization

Para virtualization

• Installation actually in servers but shown in clients

• For running unique apps• One way to access cloud

• Multiple OS on one device at same time

• Better scaling; requires less processor utilization

• Used for: a) disaster recovery

b) capacity management

Components :Clients

Server

Distributed service

Microsoft

Facebook

Pros: 1. Applications access without installing2. Approx. unlimited data storage3. Access data from anywhere

Cons:1.Internet outage2.Site access3.No secrecy

Cloud Computing Service ModelCLIENTS

SAAS

PAAS

IAAS

• Apps are hosted by single provider

• User need to access it by its own browser

• No subscription fee

Software As A Service

• For storing images

• For storing any data

• Access to application software and databases

Storage As A Service

SAAS

PAAS ( Platform As A Service)No need to install softwarecloud providers deliver a computing platform.Benefits: Application development, design &

testing.

Pros:• Improved performance• Lower cost• Flexibility

Cons: • Complexity• Security• Labor costs

Infrastructure As A Service IAAS offer computers – physical or virtual machines. Infrastructure as a Service is sometimes referred to as Hardware as a Service. The service provider owns the equipment and is responsible for housing, running and maintaining it. IAAS are costly. Used by corporates.

Real Example

Cloud migration planning

• Get educated• Calculate saving• Assess security• Hire professionals• Define desired outcomes• Run test migration

Economic benefits

•People

•Hardware

•Pay as you go

• Time to market

OPERATIONAL BENEFIT• Reduce Cost

• Increase storage

• Automation

• Flexibility

• Mobility

Security risks

• Privileged user access

• Regulatory compliance

• Data location

• Recovery

• Long term viability

Monitoring performance

• Connection speed speedtest.net ,cloudstatus hyperic.com

• Datastore delete times

• Datastore read times

• Lag time

Lets have a small video…

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