open-guides/og-aws

Clarify network costs between EC2 and ALB/CLB (when free vs $0.01/GB)

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#300 ouverte le 8 nov. 2016

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help wantedneeds aws discussionneeds graphicssec: Billing and Cost Managementsec: Load balancing

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Description

I think that there's a mistake in https://github.com/open-guides/og-aws/raw/master/figures/aws-data-transfer-costs.png

It indicates that cross-AZ traffic between ALB/CLB and EC2 is $0.01/GB, but I think it should be 0 (at least for the CLB)

From http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/enable-disable-crosszone-lb.html:

When you enable cross-zone load balancing, you are not charged for data transfer between the load balancer nodes and the instances

I couldn't find the same kind of clear language in the ALB docs though

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