# Introduction to Microsoft Azure Services

## What is Azure

* It is one of the largest cloud computing platforms, serving millions of applications, intergrations and customers 

## Azure Overview

### Compute; Infrastructure-as-a-Service (IaaS)

* An azure VM gives you the flexibility of virtualization without having to buy and maintain the physical hardware that runs it
* "Lift and Shift" - Computers that you want to migrate to this services
  * It is great for that

### Platform-as-a-Service (PaaS)

* An application services are a pool of services that azure provides, such as load balancing, application performance monitoring, application acceleration, autoscaling, micro segmentation and more 
  * Can offer the following:
    * Web Apps
    * APIs
    * Mobile Backends 
    * Docker and Containers 
    * Serverless 

### Container; Azure Container Instance

* A services that enables a developer to deploy a containers 
* It is serverless into a container that is deployed in the cloud 
* Like a virtual machine, but they do not have the operating systems they only contain the application

#### Kubernetes; Azure Kubernetes

* For more complex applications that has multiple containers you can use Azure Kubernetes 
* This is know as a container orgastrator, it makes easy to deploy and amange multi container applications 
* More than one container is known as kubernetes 

### Functions; Azure Functions

* It is a procedure that runs only a particular service rather than an entire application 
* It runs part of an application not the entire application

## Storage

### Storage; Blob Storage; Azure Blob Storage

* A simple form of storage is referred to as Blob
* It does not really have a structure like standard file storage services 
* everything is combined into a single blob 

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* It has multiple access tiers&#x20;

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### File Storage; Azure File Storage, Azure Data Lake Storage

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1. Azure File Storage: Uses protocol SMB&#x20;
2. Azure Data Lake Storage Gen2
   1. Is used for analytics&#x20;

## Databases&#x20;

### Databases; Azure Databases; Relational Databases

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* These are SQL databases&#x20;
* It is the Azure SQL databases&#x20;
* It is similar to Microsoft SQL although it is not 100% compatible&#x20;

### Synapse Analytics; Azure Synapse Analytics

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* Used to build a data warehouse&#x20;
* It is used for large database
* In order for an open source database to scale out, something has to be sacrified, it does use all the feature of the SQL databases&#x20;

### Cosmos DB

<figure><img src="https://3367244783-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK3YP1U2Fck03eUZ2XijJ%2Fuploads%2FaJrUBhEBCWyqaYnklLRo%2Fimage.png?alt=media&#x26;token=8474b5ca-d54a-43c1-a168-699b8fb1e94d" alt=""><figcaption></figcaption></figure>

1. Basically a quicker version of NoSQL build by Microsoft Azure&#x20;

## Networking

### Networking; Azure VNet

<figure><img src="https://3367244783-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK3YP1U2Fck03eUZ2XijJ%2Fuploads%2FdqjAm4mgO1pC8gUFVmnn%2Fimage.png?alt=media&#x26;token=671968ca-b486-4e21-8605-9bde30bb7c72" alt=""><figcaption></figcaption></figure>

1. A virtual network when you setup a Azure Virtual Machine

### Azure Subnets

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1. You can divide a Vnet into separate subnets&#x20;

### Azure Subnets; Inbound and Outbound Traffic

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* By default all outbound traffic from a VM is allowed internet access
* For inbound traffic into the VM you need to assign a Public IP address to the VM

### Azure Peering; VNet Peering

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1. If you have two VNets, you need to used Azure Peering for the two vnet to communicate with each other&#x20;

### Azure VPN

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### Azure ExpressRoute

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## &#x20;Azure Other service; AI, DevOps

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Live Lab Demo (discussion)