Technical Summary
This document analyzes how current TCP implementations process TCP
urgent indications, and how the behavior of some widely-deployed
middle-boxes affect how urgent indications are processed by end
systems. This document updates the relevant specifications such that
they accommodate current practice in processing TCP urgent
indications, provides advice to applications that make use of the
urgent mechanism, and raises awareness about the reliability of TCP
urgent indications in the current Internet.
Working Group Summary
Nothing exceptional occurred during the working group process for this
document.
Document Quality
This document specifically is aimed at bringing the specification and
existing implementations into line clearly with each other. The
implementation practices in this document have been adopted in multiple
implementations and this document provides guidance to aid in future
compatibility with applications in new and old TCP implementations.
Personnel
Wesley Eddy (Wesley.M.Eddy@nasa.gov) is the document shepherd.
Lars Eggert (lars.eggert@nokia.com) reviewed this document for the IESG.