Concepts

• Load balancer
  • Elastic Load Balancing (ELB)
  • Application Load Balancer (ALB)
  • Network Load Balancer (NLB)
  • Gateway Load Balancer (GWLB)
• Distributed coordination/config/key-value software
  • ZooKeeper: website, intro
  • Consul: website, intro
  • etcd: website, intro
• Reverse proxy
• Columnar database — intro1, intro2
  • Cassandra — intro

Notes

• Scalability, availability and stability patterns
• How I calculate capacity for Systems Design