Introduction to Cloud computing & Microsoft Azure cloud

Introduction to Cloud computing & Microsoft Azure cloud

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 I am going to introduce you to cloud computing and also Microsoft Azure cloud if you
are already aware of cloud computing concepts then I would advise you to skip this lecture
the objective of this lecture is to explain cloud computing concepts for those who don’t know
about it so what is cloud computing cloud computing is the delivery of computing services such as serve
r storage databases networking software analytics and many more over the internet the best
way to understand cloud computing is to take an example when you are starting a company instead
of buying an office or building an office you always rent an office exactly the same principle applies
here if you are building a social media website instead of buying your own servers storage database
as networking you will friend those things on the cloud and deploy your social networking website on
the cloud companies offering these computing services are called cloud providers
so these cloud providers such as Microsoft and Amazon we have huge data centers where they
will host your application the only thing you need to keep in mind is when you are using them you are
sharing the infrastructure so there are many companies like your company will be hosting their services
on a shared infrastructure and whenever you host your application on the cloud you will be charged based on the usage of that infrastructure
so it depends upon how many servers you are using how much storage you are consuming on how many network
bandwidth you are consuming etc so what are the benefits of cloud computing obviously
the first thing is the cost you don’t need to spend any of the capital cost of buying hardware
and software so essentially you won’t buy any servers or databases instead of that you
will rent it so the uptrend cost of deploying that application is almost zero for you and the second key
benefit is the speed computing resources can be provisioned in minutes typically within few mouse clicks
you can provision virtual machines and databases and network within a matter of minute all you need to do is to go
in their portal register yourself and then specify the configuration you need and click on it that said
you will be provisioned with the computer source our database resource accordingly so it all happens
within a matter of minutes and the third biggest advantage is scalability the computing resources
can be scaled up and down within a matter of minutes according to business requirements this is one
of the biggest advantages that are not exploited fully in cloud computing in my view for
example if you have a website that is access securing the day time but during the night time if your website
is getting almost zero load then using cloud computing auto scaling techniques you will be able to
reduce the size of your virtual machines during the night time and scale them back during the morning
time thereby you can reduce the cause this is one of the biggest advantage if you are buying your
own hardware and software you can’t do that so keep that in mind and I find many of the customers who is using cloud

computing or not really exploiting this capability they

are just migrating their workloads into the cloud but they should do more in terms of scaling up
and down their resources according to the workload and the fourth biggest advantage is productivity
with cloud computing you don’t need to worry about setup patching etcetera so that your
IT team can focus on achieving business goals so they don’t need to worry about to maintain to patch
they clearly and all those stuff the cloud computing provider will take care of that for you and final thing is reliability
cloud computing makes data backup dr and business continuity less expensive and faster recovery
because this cloud computing providers works on a massive scale they build a lot of redundancy within their infrastructure that
makes the infrastructure more reliable it doesn’t matter how good you design your data center when compared to
microsoft animation you will not be able to meet their standards in my view so reliability plays a very important role when it comes
to cloud computing the only issue with cloud computing when it comes to reliability is it heavily relies
on internet connectivity that’s the only thing you need to keep in mind apart from that in my view
cloud computing is more reliable when compared tone from eyes data centers and there are
three types of cloud services one is infrastructure as a service with infrastructure as a service you rent it the infrastructure
which means servers virtual machine storage networks operating systems from a cloud provider on a pay-as-you-go basis so this is the typical IT infrastructure such
as servers or virtual machines that you can rent on the cloud and access y.i internet platform as a service
refers to cloud computing services that supply an on-demand environment for developing testing delivering
and managing software applications when compared to infrastructure a service platform as series comes with an
Associated platform maintained by cloud provider so for examples be stock services be structure
he says is an integration platform you can have it on the cloud and the third one is software
is a service software service is a method of delivering software applications over the Internet on demand
and typically on a subscription basis these days software a service is getting very popular there are a lot of
payroll systems work management systems offered as software is a service you won’t own even the application
also you just use that application on a pay-as-you-go basis on a monthly basis basically with
SAS cloud providers host and manage software applications and underlying infrastructure and handle
any maintenance such as software upgrades and security patching so the wave cloud is evolving it started with infrastructure and surveys so when you
are providing cloud computing consultancy most of the time you will see people are using infrastructure-as-a-service
and slowly from infrastructure-as-a-service people will move into platform-as-a-service and finally from platform-as-a-service
into software surveys I believe that’s how the evolution of cloud computing will occur over a period
of time and in terms of deployments there are three ways you can deploy cloud computing one is public clouds
the public clouds are owned and operated by a third-party cloud service provider which delivers computing resources
such as service and storage for the internet so when it comes to public cloud the underlying infrastructure
is shared by different customers so cloud provider will have a one data center in one location and different customers
from that location will deploy their application and pay the cost on a pay-as-you-go basis when it comes to private cloud a private
cloud refers to cloud computing resources used exclusively by a single business or organization a private cloud
can be physically located on the company’s on-site data center or there are some companies also paid third-party
service provider to host a private cloud so the best example of private cloud is IBM cloudburst where you can have a kit of that
in your own data center but pay to the IBM based on how much you consumed of the private cloud
private cloud is generally used for government organization like US government or UK or in the defense area
so the private clouds are popular in the public sector and finally third one is hybrid cloud
hybrid clouds combine public and private clouds burn together by technology the Telos data and applications to be shared between
them for example your company already have a data center and you don’t want to migrate
all the applications from the data center to the cloud you want to migrate only non-critical applications
at the same time you want to have a connectivity between the cloud workloads and on from eyes were closed
then you can design it hybrid cloud different cloud providers offer that connectivity between their data center
with your data center by either using a private connection or over the internet so you can leverage having both your own data
center and cloud also so particularly if you have a mission-critical applications which you want to be in your
own data center and non mission-critical ones you want to maintain on cloud from the cost efficiency prospective
then you can do so using hybrid cloud finally Microsoft Azure cloud
Microsoft Azure cloud is one of the cloud computing providers in the market now these days the actual cloud is
becoming central to Microsoft so they are focusing a lot on Microsoft Azure they are rapidly
expanding the services they are providing on as your so let me take you through at a very very high level
what is Microsoft Azure
Microsoft Azure is a growing collection of integrated cloud services such as analytics computing database mobile networking
storage and web in the next lecture I’m going to take you through different layers of our architecture
and also number of hadoo services offered in those respective layers you can see how vast it is when you go
through that lecture as it stands today as you is generally available in 34 regions around
the world and also announced plans for six additional regions you need to bear in mind any new region our location
added in torture will not be providing all the products they will slowly add products over a period of time
in the new regions a region can contain one or more data centers so, for example, UK South might have one
or two data centers to provide the trade Endon c to you and Microsoft Azure can provide a bridge between
your data center to the cloud there are two audio services that provide this one is Express route
Wade that bridge will be over a private connection and the second one is VPN which is basically the network connectivity but data
center to the cloud over Internet so in this lecture I have provided you a very high-level overview
of cloud computing and also a very quick introduction to Microsoft cloud in the next lecture I am going to t
ake you through different layers of our architecture and also I will quickly take you through different
for your service offerings in those respective layers see you in the next lecture

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