cloud computing- components, working, pros and cons
Post on 13-Dec-2014
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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
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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