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VPC (Subnet (Is a segment of VPC's IP Address Range, CIDR defines the…
VPC
Subnet
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There are 3 types of subnet: Private, Public and VPN Only
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Is inside a subnet that you can launch an EC2 Instance, Database or others AWS Resources
Internet Gateway
Is a VPC Component that scales horizontally, is redundant and highly available
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After created, you need to attach to a VPC
Is responsible for perform network address translation to EC2 instances that have been associated to a public IP Address
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EIP (Elastic IP Address)
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To start using EIP, you must first associate to your VPC, then you can use on your EC2 Instances
You can move your EIP from another instance, since in the same region
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There are extra charges for EIPS allocated to your account, even when they are not associated with a resource
Route Table
Is a set of rules (routes), that are applied to a subnet to determine where the network traffic is directed
A subnet needs to be associated to a route table. If you don't specify one, it'll be associated to the default route table.
Is through the route table that we can make possible different EC2 Instances in different subnets, talk with each other
To make a public subnet, you need to associate an Internet Gateway in the route table that is associated
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Endpoints
Enables you to create a private connection between your VPC and an AWS Service, without require access via IGW or NAT
You can create multiple endpoints for a single service and use different route tables to enforce different access policies
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