This is the IETF Internet-Draft entitled “On the implementation of TCP urgent data”. This document describes current issues relevant to the implementation and use of TCP urgent data, aims to change the IETF specifications so that they accommodate what virtually all implementations have been doing with urgent data.
You can download it from the following link: https://packetstormsecurity.com/files/download/75277/draft-gont-tcpm-urgent-data-01.txt
Source: https://packetstormsecurity.com/files/75277/IETF-TCP-Urgent-Data-Draft.html