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Learn about cloud computing technology basics:
name cloud computing was inspired by the cloud symbol that is often used to
represent the Internet in flow charts and diagrams.
What is Cloud Computing?
How cloud computing
can be used to manage business efficiently?
Any situation in which computing is done in a remote location (out
in the clouds) rather than on your desktop or laptop or
mobile phone, or any portable device. Cloud commuting means
tapping into that computing power over an Internet connection.
The Cloud can quickly scale to
hundreds of servers to make resources available as they're needed.
The Cloud hosting users (customers) need not worry about buying new
hardware to meet increasing traffic demands, or huge traffic spikes.
Cloud Computing services are broadly divided
into three categories:
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.
What's the differences
between SaaS (Software as a Service) and Cloud Computing?
Computing is a framework and SaaS is a specific implementation in this
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.
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
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.
Example of SaaS:
ERP (Enterprise Resource Planning) - NetSuite,
Intacct, Intuit QuickBooks On Demand, etc.
Internet Telephony: Skype, Vonage, etc.
CRM & Fulfillment: Salesforce, SAP OnDemand,
Microsoft Titan, RightNow, Sibel CRM OnDemand, entellium, Ordermotion, etc.
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.
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.
= 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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