AWS 推出新的 Load Balancer:NLB (Network Load Balancer)

從一開始推出的 ELB (Elastic Load Balancer),到 ALB (Application),現在則推出了 NLB (Network):「New Network Load Balancer – Effortless Scaling to Millions of Requests per Second」。

有這些特性:

  1. Static IP Addresses
  2. Zonality
  3. Source Address Preservation
  4. Long-running Connections
  5. Failover

雖然不能確定 AWS 用的技術是什麼,但這裡面有好幾個很明顯就是 DSR (Direct Server Return) 架構的特性 (包括了限制與優點)。

另外也因為不用處理 L7 的內容,效能比起 ELB/ALB 好很多,夠大的用量下,價錢也低不少。對於不少非 HTTP/HTTPS 的應用應該很好用,就算是 HTTP/HTTPS,單純一點的應用應該也不錯...

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