General Discription of techniques of Cloud Computing and its types Abhijeet Singh

2. CLOUD
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4.  A way of computing, via the Internet.
 Shares computer resources instead of using software or
storage on a local PC.
 No need to install documents, software, Operating system.
 A physical storage center is no longer needed.
 A way to access Applications hosted on the web through
your web browser.
 Consist of Virtual Platform (OS) , Software and
infrastructures.
 Only need is High-Speed Internet.
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6.  SaaS  Software-as-a-Service
 PaaS  Platform-as-a-Service
 IaaS Infrastructure-as-a-Service
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7.  It's all On Demand
 Rich Internet application web sites
 Application as Web Sites
 Collaboration and email
 Office Productivity
 Client apps that connect to services in the cloud
• Eg: Flikr, Salesforce.com, Cisco WebEx office, Gmail, IBM

8.  Virtual Development-platform-as-a-service
 Database
 Message Queue
 App Servicer
 Reduce cost of buying & managing S/w & H/w
Example : Google App Engine, Microsoft SQL Server Data
Services, Engine Yard, Salesforce.com’s Force.com

9.  Backbone of Entire system
 Virtual servers
 Physical storage space
 Processing capabilities
 Logical disks
 VLAN networks
 Systems Management
Eg: Akamai, Amazon EC2, CohesiveFT, Mosso, Joyent Accelerators

11. 1) Cost
 Greatly reduced Cost on purchasing diff kinds of Software , operating
system etc.
 No need to be purchased for one-time or infrequent computing tasks.
 Pricing of any services is compute on usage-based options
 Fewer IT skills are required for implementation (in-house)
2) Device
 Location independence enable to access systems using web browser
 Regardless of their location or device they are using (e.g PC, mobile).
 Accessed via the Internet, users can connect from anywhere.
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12. 3) Security
 Improve due to centralization of data
 More Focus on resources, etc.
 Security is greatly increased when data is distributed over a no.
of devices & Area.
4) Reliability
 Utilization and efficiency improvements for systems that are
often only 10–20% utilized.
 Suitable for Business continuity and disaster recovery.
 IT and business managers can at times do little when they are affected.
5) Maintenance
Applications are easier to maintain, since they don't have to be
installed on each user's computer.
Easier to support and to improve since the changes reach the
clients instantly.
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13. http://beta.cloudo.com http://oos.cc/login.html
( Online Operating System )
Note : Services is avail Free till its Developing Stage. Once completed become Chargeable.
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18. 1) Grid Computing
Collection of servers that are clustered together to attack a single problem.
 Form of distributed/ parallel computing is composed of a cluster of networked
loosely coupled computers acting in concert to perform very large tasks.
 If one piece of software on a node Fails, other pieces of s/w on other nodes may fail.
Example : Scientific Research
2) Cloud computing
A narrower form of client-server, between service providers (servers) and service
requesters (clients) where the details of the server are abstracted .
For example:- one may not connect to a specific server. However, due to the
popularity of the cloud metaphor, "cloud computing" may be used to refer to any form
of client-server computing.
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20. 1) Public cloud
 Public / External cloud describes cloud computing in the traditional
mainstream sense.
 Resources are dynamically provide on a self-service basis over the
Internet, via web applications/web services
 an off-site third-party provider who shares resources and bills.
2) Private cloud
 Private / Internal cloud are being used by some organization or group
of people on private networks.
 Deliver some benefits of cloud computing without the pitfalls
 Data security, corporate governance, and reliability concerns.
 Users have to buy, build, and manage them.
Example : PNB, HDFC, SBI Bank Cloud.
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21. 3) Community cloud
 Established by several organizations to have Similar Requirements
 To share Infrastructure of the cloud computing.
 Collaborate together to perform bigger tasks/ operations.
 More expensive
 Higher level of privacy, security or policy compliance.
Examples: Google's "Gov Cloud".
4) Hybrid cloud
 Environment consisting of multiple internal or external providers.
 Users may be able to ease the transition to Public services.
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23.  Your data is not directly in your hands,
but in the hands of a third party.
 Total Dependence on the Internet Connection.
If your cloud Host disappears, where does
your information go?
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24. Mobile Cloud Computing
 Network-as-a-Service
 Platform-as-a-Service
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