IETF Statistics

Document formats and features in documents

“Document Stats -- What is Going on in the IETF?”


These formats are used:

  • Plain text only 10011 documents (98.22%).
  • PDF 176 documents (1.73%).
  • Postcript 55 documents (0.54%).


These features are used within the documents:

  • Packet formats in 1703 documents (16.71%).
  • Figures in 3382 documents (33.18%).
  • ABNF in 622 documents (6.10%).
  • XML in 306 documents (3.00%).
  • ASN.1 in 462 documents (4.53%).
  • C code in 258 documents (2.53%).
  • RFC 2119 keywords in 6525 documents (64.02%).
  • Security considerations section in 8111 documents (79.58%).
  • IANA considerations section in 4849 documents (47.58%).

The document feature recognition is based on heuristics and is inherently unreliable.

Data Freshness and Source

This is a part of a statistics report generated by authorstats on 17/6, 2019.

All data in this report is retrieved from public sources, such as publications published at the IETF. The tool and the report are independent of the IETF, however.

Data Accuracy and Privacy

The data or the report may contain inaccuracies.

Note that we do not hold any per-person information beyond what is visible in publicly submitted documents at the IETF. However, if this information is about you, we do appreciate corrections which we will try to incorporate. Similarly, we would be happy to remove your information if you so desire. In either case, send mail to jari.arkko(at) to contact the developer. Please use a subject line that includes the word authorstats. Our privacy policy can be found in here.