HTTP/1.1 - a Taste of the New

• Host: www.ninja.com

  • clients MUST send this - fixes multi-homed problem
  • already in most 1.0 and 1.1 clients

• Range: bytes=300-304,601-993

  • useful broken connection recovery (like FTP recovery)

• Age: <seconds, date>

  • expiration from caches

• Etag: fa898a3e3

  • unique tag to identify document (strong or weak forms)

• Cache-control: <command>

  • marking documents as private (don’t keep in caches)

• “chunked” transfer encoding

  • segmenting of documents - don’t have to calculate entire document length. Useful for dynamic query responses..

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