diff --git a/draft-ietf-quic-spin-exp.md b/draft-ietf-quic-spin-exp.md index ddd73ce5f8..ab0e6371b6 100644 --- a/draft-ietf-quic-spin-exp.md +++ b/draft-ietf-quic-spin-exp.md @@ -50,6 +50,31 @@ informative: This document specifies the addition of a latency spin bit to the QUIC transport protocol and describes how to use it to measure end-to-end latency. + +--- note_Note_to_Readers + +This document specifies an experimental delta to the QUIC transport protocol. +Specifically, this experimentation is intended to determine: + +- the impact of the addition of the latency spin bit on implementation and + specification complexity; and +- the accuracy and value of the information derived from spin bit measurement + on live network traffic. + +The information generated by this experiment will be used by the QUIC working +group as input to a decision about the standardization of the latency spin +bit. Although this is a Working Group document, it is currently NOT a Working +Group deliverable. + +Discussion of this draft takes place on the QUIC working group mailing list +(quic@ietf.org), which is archived at +. + +Working Group information can be found at ; source +code and issues list for this draft can be found at +. + + --- middle # Introduction @@ -70,15 +95,6 @@ observers of QUIC traffic. This document describes the mechanism, how it can be added to QUIC, and how it can be used by passive measurement facilities to generate RTT samples. -## About This Document - -This document is maintained in the GitHub repository -https://github.com/britram/draft-trammell-quic-spin, and the editor's copy is -available online at https://britram.github.io/draft-trammell-quic-spin. -Current open issues on the document can be seen at -https://github.com/britram/draft-trammell-quic-spin/issues. Comments and -suggestions on this document can be made by filing an issue there, or by -contacting the editor. # The Spin Bit Mechanism @@ -189,25 +205,6 @@ and the observer and the client, respectively. It does this by measuring the delay between a spin edge observed in the upstream direction and that observed in the downstream direction, and vice versa. -# Scope of the Experiment - -This document specifies an experimental delta to the QUIC transport protocol. -Specifically, this experimentation is intended to determine: - -- the impact of the addition of the latency spin bit on implementation and - specification complexity; and -- the accuracy and value of the information derived from spin bit measurement - on live network traffic. - -The information generated by this experiment will be used by the QUIC working -group as input to a decision about the standardization of the latency spin -bit. - -This document describes a one-bit latency spin signal. A three-bit latency -spin signal, which provides reordering, loss, and edge delay resistance even -without cleartext packet numbers in the QUIC header, is described in -{{?QUIC-SPIN=I-D.trammell-quic-spin}}; experimentation with this approach is -also encouraged. # IANA Considerations @@ -224,8 +221,8 @@ information is considered low. # Acknowledgments -This document is derived from {{QUIC-SPIN}}, which was the work of the -following authors in addition to the editor of this document: +This document is derived from {{?I-D.trammell-quic-spin}}, which was the work +of the following authors in addition to the editor of this document: - Piet De Vaere, ETH Zurich - Roni Even, Huawei