Managing virtual IPs - Kubernetes on AWS

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I've set-up a 3-node Kubernetes cluster on AWS. A unique virtual IP address is assigned to each pod and service. AWS route table is used to map the virtual IPs to actual IPs. This works perfectly fine but what I've notices is when new nodes are added this method isn't scalable. Is there any other way to handle these virtual IP? 

Oct 4, 2018 in Kubernetes by lina
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AWS route tables has a limit of 50 entries each, so this is not a very scalable solution. The most common approach is to use an overlay network. Two popular ones are

  • CoreOS Flannel
  • Weaveworks Weave
answered Oct 4, 2018 by Kalgi
• 35,750 points

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