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Unicast vs Anycast

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Tom Paseka
Tom Paseka

The document discusses two different network architectures and how they handle large data attacks. A unicast architecture sees each 10G attack saturate the uplinks and overload the server, while an anycast architecture spreads a larger 20G attack across multiple clusters, keeping any one location from being overloaded.

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Unicast Example: Each Attack = 10G Total to server = 40G Saturates uplinks. The Internet
Example: Anycast Each Attack = 20G Total Attack = 100G Total to any one cluster = 20G Things are A.OK No one location is overloaded The Internet

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Unicast vs Anycast

  • 1. Unicast Example: Each Attack = 10G Total to server = 40G Saturates uplinks. The Internet
  • 2. Example: Anycast Each Attack = 20G Total Attack = 100G Total to any one cluster = 20G Things are A.OK No one location is overloaded The Internet