Microservices & Macro-services @ Amazon

I Love APIs 2015: Microservices at Amazon


The Science Behind Why Jeff Bezos's Two-Pizza Team Rule Works

Microservices and Teams at Amazon @ InfoQ

"definition of microservices but also states four constraints:

• Single-purpose.
• Connect only through APIs.
• Connect over HTTPS.
• Largely black boxes to each other.

When comparing microservices with SOA Munns notes some distinctive differences

Microservices	SOA
Many very small components Business logic lives inside a single service domain Simple wire protocols, e.g. HTTP with XML or JSON API driven with SDKs/Clients	Fewer more sophisticated components Business logic can live across multiple domains Enterprise Service BUS (ESB) like layers between services Middleware

"

A new "macro service" for AWS:
 

Amazon Releases Cloud-based Email and Calendaring Service

$4 / month / user, against Microsoft $5 & Google $5.