AWS Terminology Overview

 

AWS Terminology Overview

As I work on AWS (Amazon Web Services) cloud-related tasks, here is a summary of frequently used terms.

Word	Description
Landing Zone	A solution that provides a secure multi-account AWS environment. In this project, the goal is to configure the features provided by the Landing Zone manually within a single account.
Region	A physical location where all AWS services are situated.
VPC	A logically isolated virtual private network area within the AWS cloud.
Subnet	A sub-network within a VPC, divided based on the purpose of use. There are public subnets, which allow external access, and private subnets, which allow internal access only.
ELB	ELB (Elastic Load Balancer) is a load balancer, categorized by purpose and functionality into ALB (Layer 7), NLB (Layer 4), and CLB (Layer 4).
TGW	TGW (Transit Gateway) creates a network hub within AWS, connecting multiple VPCs and on-premises environments.
Firewall	Monitors internal and external network traffic and is provided through third-party solutions.
WAF	A Web Application Firewall positioned at the front of external web services, provided as a third-party solution.
Nat Gateway	A gateway service used by internal servers for external communication and external calls.
NACL	Network Access Control List (NACL) is a subnet-level network control feature provided by AWS. It controls inbound and outbound traffic based on IP and port.
Security Group	A network control feature provided by AWS at the instance level. It controls inbound and outbound traffic based on IP and port.
IAM	Identity and Access Management (IAM) is a web service for securely controlling access to AWS resources. It allows the creation and management of groups and users, and sets roles and policies to control access permissions to AWS resources.

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