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