A flexible pricing model that offers lower prices on EC2, Lambda, and Fargate usage in exchange for a commitment to a consistent amount of usage (measured in $/hour) for a one or three year term.
A unique identifier for AWS resources. ARNs follow the format arn:partition:service:region:account-id:resource. Used to specify a resource unambiguously across all of AWS.
One or more discrete data centers with redundant power, networking, and connectivity in an AWS Region. AZs are physically separated and connected through low-latency links. Deploying across multiple AZs provides high availability.
A deployment strategy where resources are provisioned across multiple Availability Zones for high availability. Used with RDS, ElastiCache, and other services to provide automatic failover.
A physical location around the world where AWS clusters data centers. Each Region consists of multiple Availability Zones. Examples include us-east-1 (N. Virginia) and eu-west-1 (Ireland).
A pricing model that provides a significant discount (up to 75%) compared to On-Demand pricing in exchange for a one or three year commitment. Available for EC2, RDS, ElastiCache, and other services.