- Logical component in a VPC that representes a Virgual Network Card.
- Attributes:
- primary private IPv4, ore or more secondary private IPv4
- One Elastic IP (IPv4) per private IPv4
- One Public IPv4
- One or more Security Groups attached
- A Mac address
- Bound to an AZ
- Can be created independently of an EC2 and attached to EC2s.
- This allows things like static IPs to be moved between EC2s in the event of a failover.