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mrajashree/Cluster capabilities.md

Last active September 24, 2018 22:55
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Cluster capabilities.md

Load balancer

  • Layer 3 Load balancing takes routing decisions based on IP addresses alone
  • Layer 4 is TCP, does routing decisions only based on network packets' address, not on contents. IP address plus TCP ports etc
  • Layer 7 HTTP, can do routing based on contents of the packets, URL/cookie. Example, if user's requests contain requests frequently for certina media, Layer 7 lbs can direct the user requests to those servers that can bettwe serve these reqyests
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