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RFC 8912, "Initial Performance Metrics Registry Entries", November 2021

Source of RFC: ippm (tsv)

Errata ID: 6762
Status: Rejected
Type: Technical
Publication Format(s) : TEXT, PDF, HTML

Reported By: Nikolai Malykh
Date Reported: 2021-11-30
Rejected by: Martin Duke
Date Rejected: 2021-11-30

Section 10.1.4 says:

   RTLoss:  This metric assesses the estimated loss count for TCP
      packets constituting a single connection, exchanged between two
      hosts.  We consider the measurement of round-trip delay based on a
      single OP [RFC7011] somewhere in the network.  The output is the
      estimated loss count for the measurement interval.

It should say:

   RTLoss:  This metric assesses the estimated loss count for TCP
      packets constituting a single connection, exchanged between two
      hosts.  We consider the measurement of loss count based on a
      single OP [RFC7011] somewhere in the network.  The output is the
      estimated loss count for the measurement interval.

Notes:

This is where loss count is measured, not round-trip delay.
--VERIFIER NOTES--
From Al Morton: Sorry, but the original text is correct. In this case we have a RT loss *estimate* conducted in the context of (and using the same packets as) the RT Delay measurements described for TCP. We considered this text carefully before publication.

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