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Cloud computing
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Learn about cloud computing technology basics:
The name cloud computing was inspired by the cloud symbol that is often used
to represent the Internet in flow charts and diagrams.
Cloud Computing services are broadly divided into three categories:
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 Infrastructure-as-a-Service (IaaS).
Platform-as-a-Service (PaaS). Software-as-a-Service (SaaS).
A host of providers including Amazon (AMZN), Salesforce.com (CRM), IBM
(IBM), Oracle (ORAL), and Microsoft are helping corporate clients use the
Internet to tap into everything from extra server space to software that
helps manage customer relationships. Assigning these computing tasks to some
remote location—rather than, say, a desktop computer, handheld machine, or a
company's own servers—is referred to collectively as cloud computing.
A private cloud using IBM's Blue Cloud software and
services, which turns a corporate data center into its own cloud. Since a
private corporate cloud is blocked off from the Internet with firewalls, it
provides a level of security.
Positioning SaaS
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What's the differences
between SaaS (Software as a Service) and Cloud Computing?
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Cloud
Computing is a framework and SaaS is a specific implementation in this
framework.
For instance, you can use only the cloud
Infrastructure (IaaS) and build your own application on top of it or go
higher up in the stack and use the Platform (PaaS) - cloud based Windows
/ Linux / Unix servers to build the application or go even further up
the value chain and use a software (SaaS) - Salesforce.com, GoogleApps,
Microsoft BPOS, etc.
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Cloud computing is a set of pooled
computing resources delivered over the Internet. The Cloud delivers a hosting
environment that does not limit an ERP application to a specific set of computer
hardware (resources), such as server. Depending on the platform, an application
can scale dynamically and increase its share of resources on-the-fly.
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The software industry is now not selling using
shrink-wrap box. Increasingly software is not an installed product but
an on-demand service delivered across the internet in your browser.
This is referred as SaaS or Software As A Service. The line separating
SaaS and 'web application' is getting blurred.
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Example of SaaS:
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ERP (Enterprise Resource Planning) - NetSuite,
Intacct, Intuit QuickBooks On Demand, etc.
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Internet Telephony: Skype, Vonage, etc.
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CRM & Fulfillment: Salesforce, SAP OnDemand,
Microsoft Titan, RightNow, Sibel CRM OnDemand, entellium, Ordermotion, etc.
Cloud computing:
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Microsoft is offering cloud-based
operating system in India:
THE world’s largest software maker
Microsoft on Monday made its cloud-based operating system commercially available
for Indian users. The computer power on Windows Azure, a cloud-based operating
system hosted in Microsoft’s data centers, will be available at $0.12 on an
hourly basis, while storage on Azure will
cost enterprises $0.15 per GB on a monthly basis. The web edition of its
database service SQL Azure will be available at about $10 per month for up to 1
GB. The business edition of its database service will be priced at about $100
per month for up to 10 GB of database per month.
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For software-as-a-service, Microsoft
has launched Microsoft Online Services, Office Web Apps, Microsoft Hosted
Dynamics, Office Communication online and SharePoint online in November last
year. For infrastructure-as-a-service, Microsoft had launched its offerings via
Reliance ADAG, Netmagic last year. The platform as a service stack was rolled
out today as part of Windows Azure and SQL Azure launch.
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SAAS = Software
as a Service. On Demand, pay as you use. Development as a service, use as a
service, deliver as a service and when customers need - they pay as per the
services used. No more hardware servers to manage, no special software license,
no development language to learn - Just a browser and an internet connection.
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