



Network Working Group                                           H. Godoy
Internet-Draft                    State University of Campinas (UNICAMP)
Intended status: Experimental                                 D. Fischer
Expires: 27 July 2026                                    23 January 2026


               Microphone Access Fairness Protocol (MAFP)
                      draft-godoy-fischer-mafp-00

Abstract

   This document specifies the Microphone Access Fairness Protocol
   (MAFP), an Experimental protocol intended to improve fairness in
   access to microphones during technical events, forums, panels, and
   other interactive sessions.  The protocol documents commonly observed
   behaviors, informal control mechanisms, and failure modes associated
   with microphone access in both in-person and remote participation
   environments.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on 27 July 2026.

Copyright Notice

   Copyright (c) 2026 IETF Trust and the persons identified as the
   document authors.  All rights reserved.











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   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents (https://trustee.ietf.org/
   license-info) in effect on the date of publication of this document.
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.  Code Components
   extracted from this document must include Revised BSD License text as
   described in Section 4.e of the Trust Legal Provisions and are
   provided without warranty as described in the Revised BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Problem Statement . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Design Goals  . . . . . . . . . . . . . . . . . . . . . . . .   3
   5.  Architecture Overview . . . . . . . . . . . . . . . . . . . .   3
   6.  Microphone Access Policies  . . . . . . . . . . . . . . . . .   4
   7.  Moderator Behavior Considerations . . . . . . . . . . . . . .   4
   8.  Failure Scenarios . . . . . . . . . . . . . . . . . . . . . .   4
   9.  Operational Considerations  . . . . . . . . . . . . . . . . .   4
   10. Security Considerations . . . . . . . . . . . . . . . . . . .   4
   11. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   12. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   5
   13. Call for Contributions  . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   In technical meetings, the microphone represents a shared and finite
   resource.  Access to this resource is typically governed by informal
   human-driven procedures that lack formal specification,
   predictability, and reproducibility.

   Despite advances in networking, distributed systems, and resource
   allocation, microphone access control continues to rely on ad-hoc
   moderation techniques.  These techniques frequently result in unfair
   allocation, participant frustration, and inefficient use of limited
   session time.

   This document does not attempt to fully resolve these challenges.
   Instead, it provides a structured description of commonly observed
   behaviors and proposes a lightweight protocol framework to improve
   perceived fairness.









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2.  Terminology

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119, except when
   such interpretation is overridden by real-time moderation decisions.

   A Microphone Holder (MH) is the participant currently in possession
   of the microphone.  A Waiting Speaker (WS) is a participant who has
   indicated a desire to speak but has not yet been granted access.  The
   Moderator (MOD) is the entity responsible for microphone arbitration.

   A Question That Is Actually a Comment (QTAC) refers to an utterance
   that presents itself as a question while containing no interrogative
   intent.  A Last Question Promise (LQP) is a statement indicating that
   no further microphone access will be granted, without a guarantee of
   enforcement.

3.  Problem Statement

   Operational experience shows that microphone access frequently
   exhibits disproportionate usage by a small subset of participants,
   starvation of participants with concise or well-formed questions,
   non-deterministic moderation decisions, and inconsistent enforcement
   of time constraints.

   In the absence of explicit policy, microphone access effectively
   operates under a best-effort emotional fairness model, which does not
   scale well with audience size or remote participation.

4.  Design Goals

   The MAFP is designed to improve perceived fairness in microphone
   access, limit prolonged monopolization of shared audio resources,
   provide minimal access guarantees, and allow graceful degradation
   under time pressure.

   The protocol assumes deployment in environments where consensus is
   imperfect, time is finite, and human behavior remains unpredictable.

5.  Architecture Overview

   The protocol assumes the existence of a Microphone Resource, a Human
   Queue that may or may not be ordered, a Moderator Control Plane, and
   an Audience Data Plane.  The system is inherently stateful, although
   state transitions are rarely documented and often only observable
   after microphone allocation has occurred.




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6.  Microphone Access Policies

   Speakers should be allocated time proportional to estimated question
   length, prior speaking history, and observable audience reaction.
   Implementations may also consider queue position, remote
   participation latency, and the likelihood that a request is a QTAC.

   Speech that exceeds a reasonable duration without a clear
   interrogative structure may be reclassified as a QTAC and subject to
   early termination.  Detection mechanisms should be conservative to
   avoid misclassifying novel interrogative forms.

7.  Moderator Behavior Considerations

   Moderators must appear neutral and should make a reasonable attempt
   to honor request order.  Moderators may forget all previous state at
   any time.

   Decisions made by the moderator are considered non-reproducible
   events and should not be appealed during the same session.  A
   moderator declaring a Last Question Promise should either enforce it
   or clearly label it as aspirational.

8.  Failure Scenarios

   Common failure scenarios include deferred handling via offline
   discussion, declaration of a final question followed by additional
   allocations, microphone failure during transitions, queue reordering
   based on physical proximity, and starvation of remote participants
   due to unmodeled latency.

   In such cases, fallback mechanisms such as chat submission or hallway
   discussion may be invoked.

9.  Operational Considerations

   A speaker MUST NOT monopolize the microphone under the assumption
   that silence implies consent.

10.  Security Considerations

   The MAFP does not protect against intentional or accidental misuse of
   the microphone.  Attack vectors include excessive verbosity,
   conversational hijacking, comment injection, and social engineering
   techniques such as appeals to urgency or authority.






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11.  IANA Considerations

   This document makes no request of IANA.

12.  Acknowledgements

   The authors acknowledge moderators operating under severe time
   constraints, participants who consistently fail to obtain microphone
   access, and audio hardware that fails at critical moments.

13.  Call for Contributions

   This document is open for community contribution.  Contributors are
   encouraged to submit text that is both technically plausible and
   operationally recognizable.




































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