Reliability is an attribute of any computer-related component (software, or hardware, or a network, for example) that consistently performs according to its specifications.
It has long been considered one of three related attributes that must be considered when making, buying, or using a computer product or component.
Reliability, availability, and serviceability - RAS, for short - are considered to be important aspects to design into any system.
In theory, a reliable product is totally free of technical errors; in practice, however, vendors frequently express a product's reliability quotient as a percentage.
Evolutionary products (those that have evolved through numerous versions over a significant period of time) are usually considered to become increasingly reliable, since it is assumed that bugs have been eliminated in earlier releases.
Amazon API Gateway is a fully managed service that makes it easy for developers to create, publish, maintain, monitor, and secure APIs at any scale.
Monitor AWS resources and custom metrics generated by your applications and services
DynamoDB is a nonrelational database for applications that need performance at any scale
An availability zone is a logical data center in a region available for use by any AWS customer.
AWS Elastic Beanstalk is an orchestration service offered from Amazon Web Services for deploying infrastructure which orchestrates various AWS services, including EC2, S3, Simple Notification Service (SNS), CloudWatch, autoscaling, and Elastic Load Balancers.
A Region is a geographical area, which consists of two or more Availability Zones, which are synonymous for a Data Center.