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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
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
is then configured to route to that instance in the VPC routing table.
routing support so each EC2 instance is assigned a /24 CIDR in the VPC routing
table.
It is also possible to use overlay networking on AWS, but that is not the
default configuration of the kube-up script.