Region and Endpoint in AWS

由以下AWS的連結我們可以清楚看到所謂的Region以及Endpoint的定義與實利，而OpenStack本身就是基於AWS的架構概念去開發的

Endpoint

 An endpoint is a URL that is the entry point for a web service. For example, https://dynamodb.us-west-2.amazonaws.com is an entry point for the Amazon DynamoDB service.


http://docs.aws.amazon.com/general/latest/gr/rande.html