The microservices approach has 2 major benefits - 1. Those boundaries running over services allows you a lot of flexibility in read caching using commodity soft

The microservices approach has 2 major benefits - 1. Those boundaries running over services allows you a lot of flexibility in read caching using commodity software like Varnish or Mongo (generally assuming REST here) 2. It allows for a polyglot architecture (ok it's a benefit or disadvantage depending on your outlook)