Update aws_under_the_hood.md

I don't think it's the POD that's getting a /24 CIDR but rather the virtual machine itself, a POD has a single address, not a range
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Di Wu 2017-04-01 19:50:41 -07:00 committed by GitHub
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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 pod is assigned a /24 CIDR. The assigned CIDR is then
configured to route to an instance in the VPC routing table.
routing support so each EC2 instance is assigned a /24 CIDR. The assigned CIDR
is then configured to route to an instance 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.