• Cache is the new RAM

Reverse Proxies/Accelerators

• Reverse proxy
• Examples:
  • Varnish Cache
  • Nginx memcached module
  • Squid proxy
• Nginx and Memcached, a 400% boost!
• Varnish: purging and banning

Application-Level Caching

• Caching with Rails
• Django's Cache Framework
• Memcached
• Redis

Multi-Tier Architecture

• Multitier architecture
• Wikipedia server layout diagrams
• Software configuration management
• Message passing: RabbitMQ, ZeroMQ, Amazon SQS; RabbitMQ Hits One Million Messages Per Second
• Infrastructure as Code

Cloud/Distributed Architecture

• Cloud Computing
• Amazon AWS
• Google Cloud Platform
• OpenStack
• Content Delivery Network
• Example: Content delivery networks