IETF standard
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... in the future, this document only considers TCP mechanisms which are
currently well understood and on the IETF standards track (or are
compliant with IETF standards).
...
... currently well understood and on the IETF standards track (or are
compliant with IETF standards).
...
...
Table 1 summarizes the mechanisms that have been discussed in this
document. Those mechanisms denoted "Recommended" are IETF standards
track mechanisms that are recommended by the authors for use in
networks ...