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Developing EC2 did involve building a whole new network. It was a new service, built from the ground up to be a public product.

• discodave 5y ago
  Yes, but many services, including S3, SQS, and DynamoDB did not run on the EC2 network for most of their existence.
  • jvolkman 5y ago
    The netscalers were on prod after all.
• User23 5y ago
  Amazon was famously frugal during that era.