Explore this comprehensive set of notes on cloud computing, covering fundamental concepts, key technologies, and practical applications. These notes delve into topics such as cloud service models (IaaS, PaaS, SaaS), deployment models (public, private, hybrid), virtualization, security in the cloud,...
Business Driver for adopting Cloud computing
Business-Driver :
It is the interface or resource, and a process that is used for the growth and success of
the business. Every business has its own driver to which they decide as per the
circumstances. Business drivers are the key inputs that drive a business operationally
and financially. Businesses have been motivated to adopt such business drivers to
achieve organizational goals.
Example –
Some common examples of business drivers are the quantity and price of the products
sold, units of production, number of enterprises, salespeople, etc.
Business-Drivers-in Cloud-Computing :
Business drivers have motivated organizations to adopt cloud computing to meet and
support the requirements of these drivers. They have also motivated organizations to
become providers of the cloud environment. There are three types of Business Drivers
as follows.
1. Capacity Planning
2. Cost Reduction
3. Organizational Agility
Capacity-Planning:
Capacity planning is the process in which an organization estimates the production
capacity needed for its products to cope with the ever-changing demands in the market.
This involves estimating the storage, infrastructure, hardware and software, availability
of resources, etc. for over a future period of time. There are three major consideration’s
incapacity planning as follows.
1. Level of Demand
2. Cost of Production
3. Availability of Funds
Other-Strategy :
Taking these considerations into account let us look at the different capacity planning
strategies that exist. Let’s discuss it one by one.
,Lead Strategy –
This is a strategy where the capacity is added beforehand in reference to a future
increase in demand. This strategy keeps the customers intact and prevents competitors
from luring them back in.
OrganizationalAgility:
Organization agility is the process by which an organization will adapt and evolve to
sudden changes caused by internal and external factors. It measures how quickly an
organization will get back on its feet, in the face of problems. Agility requires stability,
and for an organization to reach organizational agility, it should build a stable
foundation. In the IT field, one should respond to business change by scaling its IT
resources. If infrastructure seems to be the problem, changing the business needs and
prioritizing as per the circumstances should be the solution.
PrinciplesofOrganizationalAgility –
The five principles of Organizational Agility are as follows.
Nist model of cloud computing:
“A model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable
computing resources that can be rapidly provisioned and released with minimal management effort or
service provider interaction. This cloud model is composed of five essential characteristics, three service
models, and four deployment models.”
What Is Cloud Computing?
The term “cloud computing” was first coined in 1996 in an internal document from computer manufacturer
Compaq (later acquired by Hewlett-Packard). The concept, however, likely originated in the 1950s when
some organizations started using complex systems of massive mainframe computers to process data.
Today cloud computing refers to “distributed computing.” In this model, IT hardware, software, and
processes exist in different physical locations while connecting and communicating with each other via the
Internet.
By remotely hosting platforms, databases, and software, cloud computing supports the on-demand delivery
of computing power, storage, networking, database, and applications to users.
Benefits of Cloud Computing
Cloud computing allows users to access applications and data remotely, from any location, at any time, and
from any online device such as a laptop or mobile phone. Cloud systems also provide an infrastructure for
businesses to develop and deploy enterprise software and services. This infrastructure improves agility and
time-to-market for software development.
Cloud systems also offer many other benefits over traditional, “on premises” computing:
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