Wednesday, November 28, 2007

Amazon EC2 / S3 Network Performance

Thorsten von Eicken (CTO at RightScale) did some bandwidth measurements, here an overview of his analysis:

EC2 <-> EC2 (large instances):
  • one connection: totally 75 MB/s
  • three connections: totally 96 MB/s
S3 <- EC2 (large instance, HTTPS, download):
  • one connection: totally 12.6 MB/s
  • eight connections: totally 49.8 MB/s
the results for non-SSL (HTTP) are about the same.

S3 -> EC2 (large instance, HTTPS, upload):
  • one connection: totally 6.9 MB/s
  • twelve connections: totally 53.8 MB/s

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