EC2 dual-homed based on workload/role

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Hi, This might be a basic question, but I can't understand on how topology would look like. "You can place a network interface on each of your web servers that connects to a mid-tier network where an application server resides. The application server can also be dual-homed to a backend network (subnet) where the database server resides. Instead of routing network packets through the dual-homed instances, each dual-homed instance receives and processes requests on the front end, initiates a connection to the backend, and then sends requests to the servers on the backend network." Source https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/scenarios-enis.html Please shade some light.

Thank you.

2 Answers
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Accepted Answer

Dual-homing looks like this: Dual-homed EC2

EXPERT
answered a year ago
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EXPERT
reviewed a year ago
  • Thank you for the reply. I was hoping to get a diagram based in the content I sent on my original post. I know how a dual-homed instance looks like in it's simple form. Thanks.

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Each dual-homed instance would have two ENIs, one in a subnet of the "mid-tier network" (group of subnets) and one in a subnet of the "backend network" (group of subnets).

EXPERT
answered a year ago
  • Thank you for the reply skinsman. Perhaps a simple drawing might help may be a link. Just can't get the hang of it.

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