



GEN-Dispatch                                        K. ATTOUMANI MOHAMED
Internet-Draft                                               D. BENJAMIN
Intended status: Informational                     Meta-Layer Initiative
Expires: 8 April 2026                                       October 2025


 The Meta-Layer: A Coordination Substrate for Presence, Annotation, and
                         Governance on the Web
                      draft-meta-layer-overview-00

Abstract

   This document introduces the concept of a Meta-layer: a programmable
   coordination substrate that operates above content layers on the
   Internet.  The Meta-layer enables communities, individuals, and
   agents to appear, annotate, and govern together in shared digital
   space, independent of underlying platforms.  It is not a replacement
   for existing web or transport protocols, but a complementary
   infrastructure that integrates with them.  The draft outlines the
   motivation, terminology, use cases, implementation model, risks,
   security considerations, and potential IANA registries for future
   work.

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

Copyright Notice

   Copyright (c) 2025 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   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.



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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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on 4 April 2026.

Copyright Notice

   Copyright (c) 2025 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Problem Statement . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Relevance to the IETF . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Applications and Real-Time (ART) Area . . . . . . . . . .   5
     3.2.  Security (SEC) Area . . . . . . . . . . . . . . . . . . .   5
     3.3.  IRTF Research Groups  . . . . . . . . . . . . . . . . . .   5
     3.4.  General Area (GEN)  . . . . . . . . . . . . . . . . . . .   6
     3.5.  Collaboration with W3C and Other Bodies . . . . . . . . .   6
   4.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  Implementation Model  . . . . . . . . . . . . . . . . . . . .   7
     5.1.  Browser Extensions & Presence SDKs  . . . . . . . . . . .   7
     5.2.  Embedded Components in Web Applications . . . . . . . . .   7
     5.3.  Federation Across Domains . . . . . . . . . . . . . . . .   7
     5.4.  Trusted Execution for Agents  . . . . . . . . . . . . . .   7
     5.5.  Open APIs & Developer Onramps . . . . . . . . . . . . . .   7



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     5.6.  Progressive Deployment  . . . . . . . . . . . . . . . . .   7
   6.  Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . .   7
     6.1.  Safe Digital Space  . . . . . . . . . . . . . . . . . . .   8
     6.2.  Cross-Site Knowledge & Interaction Flow . . . . . . . . .   8
     6.3.  Agent Containment . . . . . . . . . . . . . . . . . . . .   8
   7.  Risks and Mitigation  . . . . . . . . . . . . . . . . . . . .   8
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   10. Normative References  . . . . . . . . . . . . . . . . . . . .   9
   11. Informative References  . . . . . . . . . . . . . . . . . . .   9
   Appendix A.  Authors' Addresses . . . . . . . . . . . . . . . . .  10

1.  Introduction

   The Internet has evolved from a document-sharing network into a
   global application substrate.  However, it has never included a
   shared layer for presence, annotation, provenance, and contextual
   governance across domains.  These functions remain fragmented,
   implemented in proprietary platforms or plugins, without
   interoperability or transparency.

   The idea of a higher-level coordination or annotation layer above
   content is not new:

   Vannevar Bush (1945)  “As We May Think,” _The Atlantic Monthly_,
      introduced associative trails—linked paths of thought that
      presaged hypertext and the idea of connecting knowledge above
      documents.

   Ted Nelson (1965)  “Complex information processing: a file structure
      for the complex, the changing and the indeterminate” introduced
      hypertext as a precursor to a cross-page meta-layer.

   Douglas Engelbart (1968)  “The Mother of All Demos” (FJCC, San
      Francisco) publicly demonstrated NLS with hypertext, on-screen
      overlays, and view controls—effectively a layer above documents.

   Tim Berners-Lee (2001)  “The Semantic Web,” _Scientific American_,
      framed a data/meaning layer on top of the Web, i.e., machine-
      understandable metadata layered over pages.

   Marc Andreessen (2012)  “Why Andreessen Horowitz Is Investing in Rap
      Genius,” describing widespread web annotation as the “missing
      layer of the Internet.”







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   The Meta-layer Initiative seeks to translate these longstanding
   conceptual foundations into open, interoperable infrastructure under
   IETF stewardship—turning decades of vision into a standard that
   integrates presence, annotation, provenance, and governance as native
   Internet functions.

2.  Problem Statement

   Current IETF protocols provide robust foundations for transport (TCP,
   QUIC), security (TLS), and identity (OAuth, OIDC, SCIM).  However,
   the Internet still lacks standardized primitives for:

   *  Presence: expressing who is here, under what rules, and with what
      visibility.

   *  Annotation: attaching structured meaning (claims, challenges,
      polls, bridges) to content across domains.

   *  Provenance: cryptographically linking contributions to identity
      and context.

   *  Governance: enabling communities to compose and enforce rules
      transparently.

   *  Agent Containment: running AI and automated processes inside
      bounded, verifiable execution environments.

   Today, these behaviors exist only as fragmented features inside
   proprietary platforms.  This results in interoperability gaps,
   inconsistent privacy guarantees, lack of portability, and absence of
   shared governance mechanisms.

   While the W3C Web Annotation Data Model (2017) has defined a standard
   format for content-level annotations, it does not address cross-
   domain interoperability, provenance, or rule-based governance.  The
   Meta-layer complements W3C’s work by proposing a protocol-level
   substrate—capable of operating across applications and domains—where
   annotations, presence, and governance can interoperate securely and
   transparently.

   The absence of such a substrate has long been recognized: the ability
   to annotate and govern content was described as a “missing feature”
   of the web browser, and calls to explore a “meta-environment above
   the page” have been made by early Internet pioneers.  As Marc
   Andreessen noted in “Why Andreessen Horowitz Is Investing in Rap
   Genius” (2012), this “missing layer” reflects a longstanding need for
   interoperable annotation infrastructure.




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   These concepts build on the architectural vision outlined in “The
   Metaweb: The Next Level of the Internet” (Bridgit DAO, CRC Press/
   Taylor & Francis, 2023), which introduced the concept of a “meta-
   layer above the webpage” as a civic and computational trust
   substrate.  This draft operationalizes that vision for
   standardization within the IETF context.

3.  Relevance to the IETF

   This work aligns with several ongoing activities across IETF Areas
   and external web-standard bodies.

3.1.  Applications and Real-Time (ART) Area

   Defines application-layer primitives for presence, annotation, and
   overlays, complementing ongoing work such as MIMI (Messaging
   Interoperability) and HTTP APIs.  The Meta-layer’s semantic and
   contextual overlay model complements W3C’s Web Annotation work by
   introducing interoperable signaling, provenance, and governance
   primitives at the Internet protocol layer.

3.2.  Security (SEC) Area

   The Meta-layer depends on secure identity, accountability,
   cryptographic provenance, and trusted execution environments (TEEs).
   It builds upon and extends existing work in OAuth, OIDC, Privacy
   Pass, and SCIM for federated identity and access control; RATS
   (Remote ATtestation ProcedureS) and EAT (Entity Attestation Token)
   for verifying trustworthiness of execution environments; COSE (CBOR
   Object Signing and Encryption) and CFRG for cryptographic signing and
   post-quantum resilience; and SUIT (Software Updates for IoT) for
   maintaining verified code integrity within TEEs.  TEEs are thus
   positioned as security primitives within the IETF SEC Area, ensuring
   that agents in the Meta-layer execute in verifiable, policy-
   constrained, and auditable contexts.

3.3.  IRTF Research Groups

   The governance and AI-containment aspects of the Meta-layer overlap
   with ongoing research in PEARG (Privacy Enhancements and Assessments
   RG) and RASPRG (Research and Analysis of Standard-Setting Processes
   RG).  The initiative can also contribute to IRTF and IAB workshops on
   AI accountability, provenance, and sustainable governance models.








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3.4.  General Area (GEN)

   Since the Meta-layer crosses multiple areas (ART, SEC, OPS, IRTF),
   GEN-Dispatch is an appropriate venue to discuss scope and determine
   whether a dedicated Working Group (WG) or Research Group (RG) is
   warranted.

3.5.  Collaboration with W3C and Other Bodies

   The Meta-layer aims to be complementary to ongoing efforts in W3C
   (e.g., Web Annotation, ActivityPub, and provenance standards) and
   ISO/IEC JTC1 AI frameworks, by providing a network-layer and
   governance substrate that ensures interoperability, accountability,
   and trust across ecosystems.

4.  Terminology

   (Working definitions)

   Overlay  Semantic/visual layer rendered above digital content,
      carrying presence indicators, tags, and interactions; governed by
      community rule modules.

   Smart Tag  Typed, structured annotation (e.g., note, claim,
      challenge, poll, bridge); signed, timestamped, interactive,
      filterable.

   Bridge  Semantic link connecting two pieces of content (support,
      challenge, context) across domains.

   Presence  Identity expression in digital space, scoped by context and
      rules (visible, pseudonymous, invisible).

   Governance Module  Composable logic defining rules for interaction,
      moderation, participation, and policy enforcement within an
      overlay.

   Agent  Automated or semi-autonomous process (AI, bot, scripted
      service) operating within the Meta-layer under policy constraints.

   TEE (Trusted Execution Environment)  Secure, attestable runtime
      container for agent execution, supporting constraints, logging,
      attestation.

   Provenance  Verifiable origin, context, and authorship of
      tags/actions/agent behaviors via signed metadata and timestamps.





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5.  Implementation Model

   The Meta-layer operates above existing content without requiring
   fundamental Web changes.  Functions are delivered via extensions,
   SDKs, and open APIs.

5.1.  Browser Extensions & Presence SDKs

   Lightweight extension or embeddable SDK renders overlays on existing
   sites.  Overlays carry smart tags, presence, governance.
   Interoperable and governed by open registries (unlike closed
   annotation tools).

5.2.  Embedded Components in Web Applications

   Sites integrate Meta-layer widgets or frames (e.g., a semantic
   sidebar in e-learning portals) via web-embed SDK.  No browser
   installation required for end users in these contexts.

5.3.  Federation Across Domains

   Identity, tags, and governance rules are portable.  Provenance
   (signatures, timestamps) ensures authenticity across domains.

5.4.  Trusted Execution for Agents

   Agents operate in bounded execution environments (e.g., TEEs) with
   policy-defined capabilities, rates, and auditable logs.

5.5.  Open APIs & Developer Onramps

   APIs expose registries for tag types, badge schemas, governance
   modules.  Third parties define new tag types, build overlays, or fork
   rule modules.  Interop via stable identifiers (IANA-registered if
   standardized).

5.6.  Progressive Deployment

   Early opt-in communities (e.g., research/fact-checking overlays).
   Later: native integrations once interop/security are proven.  No
   "flag day"—coexists and incrementally extends today’s Internet.

6.  Use Cases








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6.1.  Safe Digital Space

   Federated identity, proof-of-humanity, and contextual filters enable
   communities to restrict participation (e.g., verified humans; scoped
   agent permissions) and create bot-resistant, trustable interaction
   zones.

6.2.  Cross-Site Knowledge & Interaction Flow

   Smart tags and bridges make annotations portable and filterable
   across sites, building shared knowledge graphs with provenance.

6.3.  Agent Containment

   Agents run in attested TEEs with logged behaviors and community-
   defined permissions—preventing unbounded automation and interaction
   while enabling useful collaboration.

7.  Risks and Mitigation

   *  Identity fraud and bots: federated identity, contextual
      privileges, proof-of-humanity (when needed).

   *  Governance capture: modular rule modules, open registries, and
      forkable governance.

   *  Annotation spam or overload: attention-based rendering, overlay
      moderation, reputation weighting, rate limits.

   *  Privacy loss: scoped presence, pseudonymity, user-controlled
      visibility, data-minimizing defaults.

   *  Fragmentation: shared registries for tag types, governance
      modules, and semantic formats, with room for extensions or forks.

8.  Security Considerations

   *  Identity and Authentication: leverage OAuth, OIDC, SCIM, Privacy
      Pass.

   *  Cryptographic Provenance: sign and timestamp tags and bridges;
      consider hybrid/post-quantum algorithms over time.

   *  Agent Containment: bounded TEEs or verifiable sandboxes with
      attestation and enforceable policy.

   *  Privacy: opt-in presence and annotation; scoped visibility;
      minimize metadata exposure.



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   *  Registries and Extensions: standardized, auditable registries
      (designated expert review) to prevent identifier squatting or
      abuse.

9.  IANA Considerations

   No immediate IANA actions requested.  If standardized, potential new
   registries include:

   *  Meta-layer Smart Tag Types Registry (e.g., note, claim, bridge,
      poll, challenge).

   *  Governance Module Registry (reusable rule modules for
      overlays/participation/moderation).

   *  Badge and Role Types Registry (moderator, validator, scribe,
      etc.).

   Registries should balance extensibility with security and
   interoperability, using clear specification references and
   designated-expert review.

10.  Normative References

   [RFC2026]  Bradner, S., "The Internet Standards Process -- Revision
              3", RFC 2026, DOI 10.17487/RFC2026, 1996,
              <https://www.rfc-editor.org/rfc/rfc2026>.

   [RFC7990]  Flanagan, H., "RFC Format Framework", RFC 7990,
              DOI 10.17487/RFC7990, 2016,
              <https://www.rfc-editor.org/rfc/rfc7990>.

   [RFC9110]  Fielding, R., Nottingham, M., and J. Reschke, "HTTP
              Semantics", RFC 9110, DOI 10.17487/RFC9110, 2022,
              <https://www.rfc-editor.org/rfc/rfc9110>.

   [RFC6749]  Hardt, D., "The OAuth 2.0 Authorization Framework",
              RFC 6749, DOI 10.17487/RFC6749, 2012,
              <https://www.rfc-editor.org/rfc/rfc6749>.

11.  Informative References

   [W3C-WebAnnotation]
              Consortium, W. W. W., "Web Annotation Data Model", W3C
              Recommendation annotation-model, 2017,
              <https://www.w3.org/TR/annotation-model/>.





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   [MetaLayerWhitePaper]
              Initiative, M., "Meta-layer White Paper", 2025,
              <https://themetalayer.org/white-paper>.

   [MetawebBook]
              DAO, B., "The Metaweb: The Next Level of the Internet",
              Publisher Taylor & Francis / CRC Press, 2023,
              <https://www.routledge.com/The-Metaweb-The-Next-Level-of-
              the-Internet/DAO/p/book/9781032125527>.

   [Bush1945] Bush, V., "As We May Think", The Atlantic Monthly, July
              1945,
              <https://www.theatlantic.com/magazine/archive/1945/07/as-
              we-may-think/303881/>.

   [Engelbart1968]
              Engelbart, D., "The Mother of All Demos", 9 December 1968.

   [Nelson1965]
              Nelson, T. H., "Complex information processing: a file
              structure for the complex, the changing and the
              indeterminate", 1965,
              <https://dl.acm.org/doi/10.1145/800197.806036>.

   [BernersLee2001]
              Berners-Lee, T., "The Semantic Web", Scientific American,
              May 2001, <https://www-sop.inria.fr/acacia/cours/essi2006/
              Scientific%20American_%20Feature%20Article_%20The%20Semant
              ic%20Web_%20May%202001.pdf>.

   [Andreessen2012]
              Andreessen, M., "Why Andreessen Horowitz Is Investing in
              Rap Genius", October 2012, <https://genius.com/Marc-
              andreessen-why-andreessen-horowitz-is-investing-in-rap-
              genius-annotated>.

   [CerfRemarks2023]
              Cerf, V. G., "Review of "The Metaweb: The Next Level of
              the Internet"", 2023.

   [IAB-IRTF-AI-Workshops]
              IRTF, I. /, "IETF/IAB/IRTF workshop reports on AI
              governance and provenance", 2023.

Appendix A.  Authors' Addresses

   Karim ATTOUMANI MOHAMED




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   Meta-Layer Initiative

   Email: karimattoumanimohamed@gmail.com


   Daveed Benjamin

   Meta-Layer Initiative

   Email: daveed@bridgit.io









































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