20. 设计Silo Game Silo Game Silo Game Silo Game Silo Load Balancer Load Balancer Load Balancer Load Balancer Firewall Firewall Firewall Firewall Application Server Application Server Application Server Application Server Application Server Application Server Application Server Application Server Application Server Application Server Application Server Application Server DB’s DB’s DB’s DB’s DB’s DB’s DB’s DB’s DB’s DB’s DB’s DB’s Distributed Storage Shared Databases Users Logging Anayltics Cloud CDN Local