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Update aws_under_the_hood.md

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Di Wu 2017-04-01 19:53:21 -07:00 committed by GitHub
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contributors/design-proposals/aws_under_the_hood.md
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@ -89,8 +89,8 @@ We do not currently run the master in an AutoScalingGroup, but we should
Kubernetes uses an IP-per-pod model. This means that a node, which runs many Kubernetes uses an IP-per-pod model. This means that a node, which runs many
pods, must have many IPs. AWS uses virtual private clouds (VPCs) and advanced pods, must have many IPs. AWS uses virtual private clouds (VPCs) and advanced
routing support so each EC2 instance is assigned a /24 CIDR. The assigned CIDR routing support so each EC2 instance is assigned a /24 CIDR in the VPC routing
is then configured to route to that instance in the VPC routing table. table.
It is also possible to use overlay networking on AWS, but that is not the It is also possible to use overlay networking on AWS, but that is not the
default configuration of the kube-up script. default configuration of the kube-up script.