http 1.1

• HTTP/1.1 Connection
  • Negotiation(谈判)
  • Race condition(竞态条件)
  • Client side 对连接失效的处理
  • Client side 应对服务端过早关闭连接(Client Behavior if Server Prematurely Closes Connection)
  • Connection HEADER field definition
  • Graceful shutdown HTTP/1.1 server
  • Close order
    • TCP close and reset errors
    • Graceful close