I-D Action: draft-zhu-cats-metric-semantics-01.txt

Internet-Draft draft-zhu-cats-metric-semantics-01.txt is now available.

   Title:   Operational Semantics for CATS Metric Consumption
   Author:  Mengfei Zhu
   Name:    draft-zhu-cats-metric-semantics-01.txt
   Pages:   17
   Dates:   2026-08-29

Abstract:

   The CATS framework introduces computing-related information into
   traffic steering decisions.  Existing work defines how such metrics
   are represented, distributed, and used within the CATS architecture.
   However, it does not fully address whether a metric remains suitable
   for use at the point of consumption.

   This document introduces a set of operational semantics for CATS
   metrics, including Freshness, Operational acceptability, and
   Assurance exposure.  These semantics describe whether a metric
   remains temporally aligned with the underlying condition, whether it
   remains suitable for operational use in steering, and whether
   degraded consumption is externally visible to management or OAM
   functions.

   The document further explains how these semantics apply across
   centralized, distributed, and hybrid deployments, including cases
   where different metric sources contribute under different conditions.
   The goal is to provide a consistent basis for interpreting metric
   usability in CATS without introducing a new metric level or
   prescribing a single derivation method.

   Implementations may determine when degradation occurs, while the
   resulting consumption condition can still be represented and
   understood consistently across CATS functions.

The IETF datatracker status page for this Internet-Draft is:
https://datatracker.ietf.org/doc/draft-zhu-cats-metric-semantics/

There is also an HTML version available at:
https://www.ietf.org/archive/id/draft-zhu-cats-metric-semantics-01.html

A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-zhu-cats-metric-semantics-01

Internet-Drafts are also available by rsync at:
rsync.ietf.org::internet-drafts


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