Overhead for the managed network

Does someone know if there is a big overhead in bandwidth in the Rancher IPsec managed network to keeping communication established or talking with containers?

I understand Rancher creates a tunnel for inter network communication between hosts but I’m a bit concerned about the bandwidth for remote hosts. If there is no data transferred between clustered containers what kind of data is constantly send for Rancher to maintain communication/stats between all systems?

Is this something that can properly scale as well as you keep adding hosts Rancher+Cattle?

You might find this post useful: http://techtraits.com/dockerperf.html

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Thank you ! :slight_smile:
That is exactly what I was looking.