This is Part 2 of Azure tutorial. To  understand Azure better, we need to  
This is Part 2 of Azure tutorial. To  understand Azure better, we need to  

understand azure global infrastructure specific  terms like data centers, regions, region pairs,  
understand azure global infrastructure specific  terms like data centers, regions, region pairs,  

availability zones and geographies. In this  video, we'll discuss data centers and the rest,  
availability zones and geographies. In this  video, we'll discuss data centers and the rest,  

that is regions, region pairs, availability  zones and geographies in our upcoming videos.  
that is regions, region pairs, availability  zones and geographies in our upcoming videos.  

So, what are azure data centers? When we provision  a resource from azure cloud like a virtual machine  
So, what are azure data centers? When we provision  a resource from azure cloud like a virtual machine  

or an azure sql database for example, these  resources obviously require a physical server  
or an azure sql database for example, these  resources obviously require a physical server  

space to be created. A data center is simply  a building, that contains the physical server,  
space to be created. A data center is simply  a building, that contains the physical server,  

not just one server, many many physical servers  which are connected over the network. It also has  
not just one server, many many physical servers  which are connected over the network. It also has  

its own power and cooling. So, in simple terms,  an azure data center is a unique physical building  
its own power and cooling. So, in simple terms,  an azure data center is a unique physical building  

that contains many many physical servers with its  own power, cooling and networking infrastructure.  
that contains many many physical servers with its  own power, cooling and networking infrastructure.  

These data centers are located all over the globe.  As of this course recording, there are over 160+  
These data centers are located all over the globe.  As of this course recording, there are over 160+  

azure data centers worldwide. The exact location  of these data centers is not published by  
azure data centers worldwide. The exact location  of these data centers is not published by  

microsoft for obvious security reasons. It is  these data centers that are the building blocks  
microsoft for obvious security reasons. It is  these data centers that are the building blocks  

of global azure infrastructure. Obviously,  to power and maintain all these data centers,  
of global azure infrastructure. Obviously,  to power and maintain all these data centers,  

lot of energy is required. Microsoft has been  actively researching to source clean energy.  
lot of energy is required. Microsoft has been  actively researching to source clean energy.  

So, as part of this initiative Microsoft has been  experimenting placing data centers at the bottom  
So, as part of this initiative Microsoft has been  experimenting placing data centers at the bottom  

of the ocean. They called this project Natick. So,  in spring 2018, Microsoft's project Natick team  
of the ocean. They called this project Natick. So,  in spring 2018, Microsoft's project Natick team  

deployed a shipping-container-sized data center  on the sea floor in Scotland. It's stayed under  
deployed a shipping-container-sized data center  on the sea floor in Scotland. It's stayed under  

water for almost over two years, and during these  two years, the underwater data center servers are  
water for almost over two years, and during these  two years, the underwater data center servers are  

extensively tested and monitored for performance  and reliability. With this experiment, the team  
extensively tested and monitored for performance  and reliability. With this experiment, the team  

concluded that a sealed data center on the ocean  floor could provide ways to improve the overall  
concluded that a sealed data center on the ocean  floor could provide ways to improve the overall  

reliability of data centers. On land, corrosion  from oxygen and humidity, temperature fluctuations  
reliability of data centers. On land, corrosion  from oxygen and humidity, temperature fluctuations  

and obviously bumps and jostles from people  who replace broken components are all variables  
and obviously bumps and jostles from people  who replace broken components are all variables  

that contribute to equipment failure. So, if you  want to learn more about Microsoft underwater data  
that contribute to equipment failure. So, if you  want to learn more about Microsoft underwater data  

center, you have more details on their news  website www.news.microsoft.com. We have some  
center, you have more details on their news  website www.news.microsoft.com. We have some  

really exciting photos here. The underwater data  center is being retrieved from the seafloor after  
really exciting photos here. The underwater data  center is being retrieved from the seafloor after  

two years. You can see lot of algae and other sea  plants grown on the sealed container during the  
two years. You can see lot of algae and other sea  plants grown on the sealed container during the  

two years while it was underwater. In this photo,  you can see a close-up of the container. In this  
two years while it was underwater. In this photo,  you can see a close-up of the container. In this  

one, you can see the Microsoft logo revealed  as the container is being power washed. Inside  
one, you can see the Microsoft logo revealed  as the container is being power washed. Inside  

the sealed capsule, you can see several racks of  servers. There were actually 12 racks of servers  
the sealed capsule, you can see several racks of  servers. There were actually 12 racks of servers  

and related cooling infrastructure. They found the  servers in the underwater data center were eight  
and related cooling infrastructure. They found the  servers in the underwater data center were eight  

times more reliable than those in a replica data  center on land. So, the bottom line is Microsoft  
times more reliable than those in a replica data  center on land. So, the bottom line is Microsoft  

finds underwater data centers are reliable,  practical and use energy sustainably. Hopefully,  
finds underwater data centers are reliable,  practical and use energy sustainably. Hopefully,  

we'll soon see underwater data centers. As of this  course recording though, all azure data centers  
we'll soon see underwater data centers. As of this  course recording though, all azure data centers  

are still on land and it is these data centers  that are the building blocks of azure global  
are still on land and it is these data centers  that are the building blocks of azure global  

infrastructure. In simple terms, an azure  data center is a unique physical building that  
infrastructure. In simple terms, an azure  data center is a unique physical building that  

contains thousands of physical servers with its  own power, cooling and networking infrastructure.  
contains thousands of physical servers with its  own power, cooling and networking infrastructure.  

These data centers are located all over the globe.  As of this course recording, there are over 160+  
These data centers are located all over the globe.  As of this course recording, there are over 160+  

azure data centers. These data centers are  organized into Azure Regions. We'll discuss Azure  
azure data centers. These data centers are  organized into Azure Regions. We'll discuss Azure  

Regions and their importance in our next video.  That's it in this video. Thank you for listening.
Regions and their importance in our next video.  That's it in this video. Thank you for listening.