AWS的全球服务：
- Identity and Access Management(IAM)
- Route 53(DNS service)
- CloudFront(Content Delivery Network)
- WAF(Web Application Firewall)
Region-scoped(区域范围）内的服务：
大多数AWS 服务都属于此类。
- Amzon EC2（Infrastructure as a Service，IaaS）
- Elastic Beanstalk(Platform as a Service, PaaS)
- Lambda (Function as a Service, FaaS)
- Rekognition( Software as a Service, SaaS)