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출처 : https://blogs.cisco.com/sp/streaming-telemetry-with-google-protocol-buffers

Summary

JSON, “compact” GPB and “Key-Value” GPB

  • “Compact” GPB data on wire can be decoded without the decoder ring while “Key-Value” GPB data is Self-Describing.
  • Compact GPB can be used with UDP(default) and TCP(optionally)
  • “Key-value” GPB is only for TCP
  • 833 bytes of compact GPB while more than 4000 bytes for Key-value GPB
  • Compressed JSON(?)