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VPC in AWS - Coggle Diagram

- - - - launch a lot of resources in their VPC
      - can now scale up their VPCs on-demand
- - - - Each instance has a default network interface, called the primary network interface.
      - primary private IP address from the IPv4 address range of the subnet
      - You can create and attach additional network interfaces.
      - You cannot detach a primary network interface from an instance.
    - - If you already launched the EC2 instance, you can assign a secondary private IP address to the network interface.
      - Each instance is also given an internal DNS hostname that resolves to the primary private IPv4 address; for example, ip-10-251-50-12. ec2
      - You can assign a secondary private IP address to an Amazon EC2 instance when you launch the instance
- - - - It is assigned to your launched instance
      - when an instance is terminated the public IP attached to it gets released and further when you relaunch the same instance new IP address is assigned.
    - - Elastic IP address is a static IPv4 address designed for dynamic cloud computing.
      - Elastic IP address is allocated to your AWS account, and is yours until you release it.
      - you can mask the failure of an instance or software by rapidly remapping the address to another instance in your account.
      - you can specify the Elastic IP address in a DNS record for your domain, so that your domain points to your instance.
      - Work with Elastic IP addresses
        
        Allocate an Elastic IP address
        
        Describe your Elastic IP addresses
        
        Tag an Elastic IP address
        
        Associate an Elastic IP address with an instance or network interface
        
        Disassociate an Elastic IP address
        
        Release an Elastic IP address
        
        Recover an Elastic IP address