AWS - Network Cost Guide

Document Purpose

This document gives some sample cost estimates for select network access methods and provides the URL’s to find current pricing.

Network access methods

  1. Internet Gateway - used with public IP
  2. NAT Gateway - used with private IP
  3. CFS Transit Gateway (VPN) - used with private IP address, VPN connects back to CU Boulder

Internet Gateway

Important Always check AWS documentation for current pricing.

Network costs

  1. Downloads - no cost
  2. Uploads - first 100GB/month is free, tiered cost per 1GB transferred after

Sample Network Cost

2 Servers will download 100GB and upload 500GB in a month.

1) Download cost = $0
2) Upload cost = (100GB = $0) + ($0.09 x 400GB) = $36

Total Network Cost = $36/month

NAT Gateway

Important Always check AWS documentation for current pricing.

Network Costs

  1. Downloads - $0.045/GB
  2. Uploads - $0.045/GB
  3. NAT Gatway - 0.045/hr

Sample Network Cost

2 Servers will download 100GB and upload 500GB in a month. The NAT gateway will be on the entire month.

1) Download cost = $0.045 x 100 = $4.50
2) Upload cost = $0.045 x 500 = $22.50
3) NAT Gateway Instance = $0.045 x (24hr x 30day= 720hr) = $32.40

Total Network Cost = $59.40/month

CFS Transit Gateway VPN

Important Always check AWS documentation for current pricing.

Network Costs

  1. Downloads - $0.02/GB
  2. Uploads - $0.02/GB
  3. Attachment - $0.05/hr

Sample Network Cost

2 Servers will download 100GB and upload 500GB in a month. The VPC attachment will be on the entire month.

1) Download cost = $0.02 x 100 = $2
2) Upload cost = $0.02 x 500 = $10
3) Attachment cost = $0.05 x (24hr x 30day= 720hr) = $36

Total Network Cost = $48/month