Jameela P.M. Phil. Scholar

Dept. of Library and Information Science University of Calicut

CLOUD COMPUTING

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Introduction

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Cloud Computing

CC is set of technologies that allows Computing application by means of internet and its services are managed by third party.

More efficient computing.

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…. Cloud Computing

• Use applications without installations.• It can be used as a personal work space

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Architecture

Cloud Computing

Front-end (internet) back-end

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Examples

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Properties of Cloud Computing

FlexibilityCost-effectivenessVirtualizationSecurityUser-friendlyResource optimization

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Types

On the basis of usage Private Cloud Public Cloud Community Cloud

On the Basis of ServiceSoftware as a Service (SaaS)Platform as a Service (PaaS)Infrastructure as a Service (IaaS)

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….On the basis of usage

Private clouds are available only to the members of the organization. The cloud will facilitate user to store and disseminate their data on respective cloud.

Private Cloud

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Public Cloud

Any institute may use cloud service from third party which may available free or with cost can be considered as public cloud.

….On the basis of usage

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Community Cloud

Community clouds are specifically organized clouds and are limited for specific group.

….On the basis of usage

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Software as a Service/ Software on Demand.Software is delivered as a service to the end user.Cloud provider install and operate application software in the cloud and the cloud user access the software.

• Example:- Google Apps Engine.

….On the basis of Service

SaaS

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It offer platform on which software developers can build new applications or extend existing one.It includes a database, middleware and development tool, all are in the form of service through the internet.

• Example:-

….On the basis of Service

PaaS

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….On the basis of Service

Most basic cloud service model.Providers offers computers, as physical or virtual machine, block storage, firewalls, load balancer, switches, routers and networks.

• Example:-

IaaS

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A lot of people feel, 'Oh,

everything is really on my

computer,' but I say the more we

transfer everything onto the web, onto the cloud, the

less we're going to have control

over it.

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Cloud Computing in Library

Approach SystemsSaaS Research guide, Online

reference

PaaS Integrated library management systems

IaaS Digital repository, archive, digital storage

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Why Cloud Computing in Libraries

Cost effectiveFlexible and innovativeIncrease StorageMore mobility

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Service Providers of CC for Libraries

Library AutomationIt also provides standard acquisition and processing system.System uses number of well known standards like MARC 21 for bibliographic data, XML, Z39.50 for information retrieval, Unicode etc.

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…Service Providers of CC for Libraries

Digital library servicesIts concern of the Duraspace which is a collaboration of DSpace digital library software and fedora commonsIt is available for all type of libraries and also for consortiaIt offers complete solution for digital library with standard software and hardware.

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Conclusion

So cloud computing is the one point solution to get all updated software, Apps with low cost and less maintain and without about data, document scattering.Now is the time to look to the cloud for mobile solution in libraries

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