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Internet

• physical computer network
• supports communication, including data transfer (including HTTP)) HTTP
• standard protcol outlining how computers communicate over the Internet
• client-server model
• request-response cycle
• request actions:
  • GET - retrieve resource
  • POST: - send data for processing
  • PUT: - modify existing resource
  • DELETE: - removes a resource
• response codes:
  • 200 OK - Success
  • 400 Not Found
  • 500 Internal Server Error
• response/request headers
  • content meta
  • authn data
• text, including links to other docs or resources
• accessable via URL form of URI WWW
• UI for the Internet