This document discusses gumi's use of Amazon Web Services (AWS) for their social game platform. Some key points include:
- Gumi migrated their platform to AWS in 2011 to take advantage of scalability, availability, and pay-as-you-go pricing.
- Their AWS architecture includes load balancers, EC2 instances, RDS for databases, memcached for caching, and Tokyo Tyrant for key-value storage.
- Using AWS services like ELB, EC2, and RDS allows gumi to easily scale their platform and improve availability. The document provides details on how different AWS services provide benefits.