-: In this section of the course,
we're going to cover the concepts surrounding cloud computing.
Now it seems that everyone these days
is migrating to the cloud,
but what does that really mean?
Well, cloud computing is defined as
the practice of using a network of remote servers
hosted on the internet in order to
store, manage and process data
rather than on a local server or personal computer.
Now, I know that's a pretty broad definition,
but it really does need to be that broad to encompass
everything that we do with the cloud these days.
Now, for example,
if you've ever used Google Docs or Office 365,
you're already using the cloud under what is known
as a software as a service model or
a SAAS solution, S-A-A-S.
Now, if you've used a WordPress blog
that you host at wordpress.com,
then you also have used a platform as a service
or PAAS cloud offering, P-A-A-S.
Now almost all of us use the cloud routinely during the day.
And most of the time we're completely unaware of it.
But in this section of the course,
we're going to be diving deep
into the different types of cloud offerings and their uses.
Our focus in this section of the course
is going to be on domain four,
virtualization and cloud computing.
We're going to spend all of our time in this section
focusing on cloud computing to complete our coverage
of domain four in this course.
Now, in addition to that, we're also going to cover
a little bit from domain two, networking,
in this section as well.
Now, as we go through this section of the course,
we're going to be covering two objectives;
objective 4.1 and objective 2.2.
Objective 4.1 states
that you must be able to summarize cloud computing concepts.
And we're going to cover this entire objective
in this section of the course.
We're also going to cover a little bit of objective 2.2,
which states you must compare and contrast
common networking hardware,
but we're really just going to look at
one single sub bullet for this objective
that focuses on software defined networking,
which is known as SDN
because this is a really big cloud computing concept
and fits much better into this section on cloud computing
than it does in our other sections
on networks and networking.
So as we begin this section,
we're going to first take a look at
the different characteristics of the cloud;
including shared resources, meter utilization,
rapid elasticity, high availability,
and file synchronization.
Next, we're going to move into
the different types of cloud deployment models
including private, public, hybrid and community clouds.
Then we'll move into the different types of
cloud service models that you might come across.
Things like software as a service, or SAAS,
platform as a service, or PAAS,
or infrastructure as a service, or IAAS.
After that, we're going to move into our coverage
of virtual desktop infrastructure, which is known as VDI.
This allows you to host your desktop workstation
in the cloud and access it using a web browser
or other specialized software.
Then we're going to move into different cloud storage services
that you can utilize in your work as a technician.
Next, we'll move into our coverage of
software defined networks known as SDNs.
And finally, we'll move into a short demonstration
where you're going to learn how to use Amazon web services
as an example of a cloud based Linux server
that you can create and access.
All right, let's get started with our journey
into cloud computing in this section of the course.