# AWS and Azure Networking and Big Data Pipelines

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This is a discussion on Azure and AWS Cloud Environments.  
  
**KEY POINTS**  
\- Azure Virtual Network (VNET) = AWS Virtual Private Cloud (VPC)  
\- VPC = emulation of your infrastructure, spans all Availability sets/zones.  
  
**Subnets**  
\- can only belong to one AZ.  
\- defined by the IP blocks we assigned to it.  
\- subnets can be private or public (if has IGW attached).  
  
**IGW**  
\- it allows resources inside the VPC to access the Internet.  
\- one igw per VPC.  
\- different types of gateways  
  
**Filtering:**  
\- Azure Network Security Groups.  
\- Azure Network Virtual Appliances.  
\- AWS NACL and SG.  
**  
Route Tables**  
\- Set of rules/routes where traffic will be redirected. (e.g. Associate subnet to a specific rule on a via route table).  
**Connectivity Options**  
1\. VNET Peering / VPC Peering (Azure)  
2\. VPN Gateway / AWS Transit Gateway (AWS)  
  
Check AWS documentation for more info: [https://docs.aws.amazon.com/vpc/index.html](https://docs.aws.amazon.com/vpc/index.html)