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MANET Internetworking with AERO/OMNI
draft-templin-manet-inet-omni-01

Document Type Active Internet-Draft (individual)
Authors Fred Templin , Daniel J. Jakubisin
Last updated 2026-02-20
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draft-templin-manet-inet-omni-01
Network Working Group                                 F. L. Templin, Ed.
Internet-Draft                              Boeing Technology Innovation
Intended status: Informational                           D. J. Jakubisin
Expires: 24 August 2026       National Security Institute, Virginia Tech
                                                        20 February 2026

                  MANET Internetworking with AERO/OMNI
                    draft-templin-manet-inet-omni-01

Abstract

   [RFC2501] defines a MANET as "an autonomous system of mobile nodes.
   The system may operate in isolation, or may have gateways to and
   interface with a fixed network" (such as the global public Internet).
   This document presents a MANET Internetworking framework based on the
   Automatic Extended Route Optimization (AERO) and Overlay Multilink
   Network (OMNI) Interface technologies.

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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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on 24 August 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.  MANET Use Cases . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  MANET Internetworking with AERO/OMNI  . . . . . . . . . . . .   5
     3.1.  MANET Local Addressing  . . . . . . . . . . . . . . . . .   5
     3.2.  MANET Autoconfiguration . . . . . . . . . . . . . . . . .   6
     3.3.  MANET-internal Communications . . . . . . . . . . . . . .   7
     3.4.  MANET Peer to Internetwork Correspondent  . . . . . . . .   8
     3.5.  Internetwork Correspondent to MANET Peer  . . . . . . . .   8
     3.6.  Peer-to-Peer Between Different MANETs . . . . . . . . . .   9
     3.7.  Stub MANET to Not-so-stubby MANET Connections . . . . . .   9
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  10
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  10
   Appendix A.  Change Log . . . . . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   Mobile Ad-hoc Networks (MANETs) [RFC2501] often include mobile nodes
   with limited range wireless transmission media interfaces that
   establish links via a dynamically changing set of neighbors within
   operational range.  Each mobile node engages a MANET routing protocol
   to discover links to first hop neighbors as well as multihop paths to
   reach other nodes beyond.  As IP routers [RFC0791][RFC8200], MANET
   routers represent multihop paths as "host routes" established through
   either proactive or reactive discovery.

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   Individual MANETs typically include modest numbers of mobile nodes
   (e.g., O(1), O(10), O(100), etc.); this naturally limits the number
   of host routes needed in the local routing system.  MANETs can merge
   to form larger MANETs and/or partition into smaller MANETs according
   to dynamic network conditions such as mobility.  MANETs may also have
   internal clusters with cluster heads that limit the extent over which
   host routes propagate to reduce control message overhead.  Finally,
   MANETs often operate autonomously unless or until they encounter
   Internetwork access points of opportunity.

   Data communications between two nodes within the same local MANET
   routing region follow host routes using MANET-internal links.  When a
   MANET router establishes an Internetwork link, it can provide
   "Internet connection-sharing" access to the rest of the MANET as a
   connected "stub" network.  Per [RFC2501], "stub networks carry
   traffic originating at and/or destined for internal nodes, but do not
   permit exogenous traffic to "transit" through the stub network".

   Practical applications however suggest that MANETs can act as either
   true stub networks (e.g., a cellphone providing a hotspot for a
   multihop WiFi SSID) or as "not-so-stubby" networks (e.g., Intelligent
   Transportation Systems where the 5G/6G "SideLink" service supports
   vehicle-to-vehicle (V2V) multihopping).  In the former case, the
   cellphone acts as an IP router for a stub WiFi MANET behind it and
   the individual WiFi nodes act as dependent nodes.  In the latter
   case, individual 5G/6G SideLink nodes can connect the stub MANETs
   they aggregate across not-so-stubby V2V multihop forwarding paths.
   MANET Internetworking must therefore be capable of accommodating all
   such scenarios.

   Google AI reports that: "There are currently more mobile phones than
   people in the world.  While the exact number fluctuates, estimates
   suggest there are over 12 billion mobile connections worldwide".
   Each mobile node that connects to the global public Internet can in
   some sense be regarded as a network access point for a singleton
   "MANET" with the potential to connect still larger MANETs.

   MANET Internetworking therefore regards the global Internet as a
   "network of (mobile ad-hoc) networks", and with unrestricted dynamic
   relationships between distinct local MANET routing regions joined by
   a multiple access virtual overlay link.  Figure 1 illustrates an
   example of two distinct MANET local routing regions connected via a
   virtual overlay using the Global Internet as transit:

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                                .-(::::::::)
                             .-(::: Global ::)-.
                  X==+======(===================)======+==X
                     |        `-(: Internet :)-'       |
                     |           `-(::::::)-'          |
                     |                                 |
              .-(::::::::)                       .-(::::::::)
           .-(::::::::::::)-.                 .-(::::::::::::)-.
          (::::: MANET 1 :::::)              (::::: MANET 2 :::::)
            `-(::::::::::::)-'                 `-(::::::::::::)-'
               `-(::::::)-'                       `-(::::::)-'

                      Figure 1: MANET Internetworking

   In this context, a number of gaps have been identified to bring
   robust MANET Internetworking to fruition [I-D.templin-manet-inet].
   The purpose of the present submission is to describe approaches to
   addressing these gaps based on the Automatic Extended Route
   Optimization (AERO) [I-D.templin-6man-aero3] and Overlay Multilink
   Network (OMNI) Interface [I-D.templin-6man-omni3] solutions.

2.  MANET Use Cases

   MANETs have an important role in emergency response communications,
   disaster relief situations, communications in remote and rural areas,
   military operations, vehicular and swarm communications, and low-
   powered Internet of things (IoT) applications.  MANETs provide the
   ability to establish and maintain communications when infrastructure-
   based networks, such as 5G cellular communication systems, are not
   accessible.  As described above, MANETs may also provide Internet
   connectivity to internal nodes, for example, as a "stub" network via
   MANET routers which possess an Internetworking capability and an
   external connection to a radio access network.

   Example use cases of such MANETs include the following:

   *  Disaster Relief: Disaster situations may compromise network
      infrastructure, such as through the loss of base stations in a
      cellular radio access network (RAN).  In this scenario, MANET
      networks can play a role in closing coverage gaps through multi-
      hop routing to nodes within the coverage area of uncompromised
      base stations.  This use case is broadly applicable to any
      situation in which nodes are operating outside or at the periphery
      of RAN coverage.

   *  Tracking and Monitoring: Another example use case is the tracking
      and monitoring of data from low-cost low-power IoT devices
      ("tags") which may be placed on packages during shipment or

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      storage.  Such devices may transition in and out of coverage of
      infrastructure-based networks, often being located in environments
      that are not conducive to RF propagation (e.g., shipping
      container, warehouse, etc.).  The ability to discover and connect
      to neighboring MANET-enabled devices and to establish Internet
      connectivity through such MANETs, enables real-time logistics and
      inventory data to be collected opportunistically.

   *  UAV Swarms: local communications within swarms for coordination
      and cooperation is a good use case for MANET networks due to the
      highly mobile dynamic nature of such networks.  Yet swarms may
      also benefit from connectivity to the Internet, or other external
      networks.  And in large swarm-based MANETs, routing of traffic
      through infrastructure networks to MANET endpoints, rather than
      traversing the entire MANET can improve communications throughput
      and reliability.

3.  MANET Internetworking with AERO/OMNI

3.1.  MANET Local Addressing

   Each MANET router requires a unique IP address for MANET-local
   communications; the router often uses this same address to configure
   a unique "router ID".  For MANETs that are only intermittently
   connected to an Internetwork, these addresses must be generated from
   IP prefixes of scope greater than link-local but not associated with
   infrastructure aggregation points.  For all MANET types, each
   address/ID must be locally-unique within the (limited) local MANET
   routing domain.  For not-so-stubby MANETs, the address/ID must also
   be globally-unique among all MANET routing domains worldwide.

   The locally-unique property ensures that no two nodes that
   participate in the MANET routing protocol within the same local
   routing domain configure the same address/ID.  The globally-unique
   property may seem moot until one considers that MANETs can merge with
   other MANETs, and nodes from a first MANET can freely move to other
   MANETs.  This may allow a node from a first MANET where there are no
   duplicates to interact with other MANETs where a duplicate address
   may be encountered resulting in unpredictable behavior and/or
   communication failures.

   Although the node population for each MANET local routing domain is
   likely to be modest, the total population of MANET nodes may be on
   the order of the number of worldwide mobile connections (see:
   Section 1).  Assuming the google estimate of O(10**10) wireless
   connections, if MANET nodes assigned random addresses from a 64-bit
   space, the probability of one or more collisions within the total
   world population (i.e., when multiple nodes independently configure

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   the same address) exceeds 98% [RFC9374].  With such a high likelihood
   of duplication in the worldwide population, an unresolvable collision
   could occur if duplicates ever met within the same local routing
   domain (e.g., following a MANET merge).

   When MANET Internetworking is applied to connect routers in different
   not-so-stubby MANETs, independent local routing domains are
   dynamically joined by an overlay that spans any underlying
   Internetworks as a normal course of operational data communications.
   When two distinct MANET local routing regions merge in this way, the
   MANET local IP addresses present in the source and destination MANETs
   must be mutually exclusive.

   These merge events must further be considered to occur at truly
   unbounded frequencies across the global population due to the
   unpredictable nature of worldwide Internetworking dynamics for peer-
   to-peer communications.  In the limiting case, all worldwide local
   MANET routing regions may be considered to be persistently merged
   over the MANET Internetworking overlay at all times.  Statistical
   uniqueness properties of random assignments from even very large
   populations may therefore be insufficient to ensure collision freedom
   since MANET Internetworking exposes the full world population of
   MANET local addresses as potential duplicates.

   Nodes in not-so-stubby MANETs should therefore configure MANET local
   addresses managed for global uniqueness even if they first self-
   generate the addresses before enrolling them in a registration
   service.  The IPv6 Multilink Local Address (MLA) provides a suitable
   solution for this purpose [I-D.templin-6man-mla].

3.2.  MANET Autoconfiguration

   When a MANET comes in contact with a fixed Internetwork such as the
   global public Internet, nodes in the MANET that engage global mobile
   Internetworking services require some means of autoconfiguring
   global-scoped IP addresses or prefixes that are properly routable by
   network elements accessible from the current point of attachment.
   These network elements are typically proxies or gateways of some
   variety that connect to the mobile routing system.

   Nodes in the local MANET that are multiple IP hops away from an
   Internet connection sharing peer cannot use unmodified standard
   autoconfiguration services including IPv6 Neighbor Discovery (IPv6ND)
   [RFC4861] or DHCPv6 [RFC8415] over a MANET interface since these
   services are link-scoped in nature.  (The DHCPv6 architecture
   includes a "relay" function, but the dynamic nature of links in
   (multi-link) local MANET routing regions may interfere with
   straightforward application of DHCPv6 relays.)

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   To engage in autoconfiguration, the requesting node configures a
   (virtual) overlay multilink network interface over its (physical)
   MANET interface(s) and issues standard link-scoped IPv6ND and/or
   DHCPv6 requests over the virtual interface.  The virtual interface
   applies encapsulation to provide the appearance of a single Non-
   Broadcast Multiple Access (NBMA) link spanning the entire (multilink)
   MANET.  This virtual link supports standard link-scoped
   autoconfiguration services coordinated with an Internetwork element
   capable of delegating IP prefixes.  The Overlay Multilink Network
   (OMNI) Interface specification [I-D.templin-6man-omni3] and its
   companion Automatic Extended Route Optimization (AERO)
   [I-D.templin-6man-aero3] were designed for this purpose.

   All MANET nodes as well as AERO/OMNI Internetwork Proxy/Servers and
   Gateways assign a unique MLA to their OMNI virtual interface.  An
   AERO/OMNI Mobility Anchor Point (MAP) delegates a Mobility Service
   Provider (MSP) Mobile Network Prefix (MNP) as a Provider-Independent
   (PI) IP prefix maintained by the overlay for the requesting node to
   provision on downstream-attached interfaces in the manner discussed
   in [RFC9663] and [RFC9762].  The MAP then returns the delegated MNP
   in a link-scoped reply over the OMNI interface that traverses the
   reverse path to the original requesting node.

   The MLAs assigned as described above are routable within an OMNI link
   limited domain [RFC8799], but may not be routable to peers in other
   domains and/or the open Internet.  MANET nodes therefore also obtain
   globally routable IP MNPs from supporting MAP Proxy/Servers to
   support global-scoped communications; address selection policies
   should prefer these MNP-based addresses when available due to the
   limited domain routable nature of MLAs.

3.3.  MANET-internal Communications

   Two nodes located within the same local MANET routing region should
   be able to communicate (across multiple hops if necessary) using MLA
   addressing with no external Internetwork infrastructure reference
   points.  As long as the MLAs configured by communicating peers are
   unique, the MANET local routing system maintains continuous multihop
   forwarding services to ensure session continuity.

   Nodes within the local MANET routing region can discover the MLAs
   and/or MNP-based global addresses of peers using Multicast DNS (mDNS)
   [RFC6762] supported by Simplified Multicast Forwarding (SMF)
   [RFC6621].  Peer-to-peer communications can then be coordinated in
   multihop fashion using OMNI encapsulation and header compression over
   an overlay virtual link spanning any MANET intermediate hops in the
   path.

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3.4.  MANET Peer to Internetwork Correspondent

   When an originating peer (or its stub MANET Internet connection-
   sharing node) within a not-so-stubby MANET needs to communicate with
   a correspondent connected elsewhere in an external Internetwork, the
   peer consults the global DNS which returns a (stable) globally-
   routable IP address for the correspondent.  The peer can then use one
   of its MNP-based IP addresses obtained through autoconfiguration and
   the global IP address of the Internetwork correspondent as the source
   and destination addresses for packet exchanges.

   The MANET peer establishes per-flow on-demand virtual circuits in the
   overlay to an Internetwork relay beyond the MANET border.  MANET
   local multihop routing will then convey the peer's original packets
   to the MANET border which then forwards them via the overlay to an
   Internetwork relay which directs the packets to the correspondent
   node.

   In the reverse path, the correspondent uses the MNP-based IP address
   of the peer obtained from the source address of initiating packets as
   the destination address for reply packets.  Standard Internetwork
   routing will direct the packets back to the relay which then forwards
   them via per-flow overlay virtual circuits to the originating peer's
   MANET border.  MANET-local routing and forwarding will then convey
   the packets over one or more MANET-local hops until they ultimately
   reach the peer.

   In this case, the originating peer's IP address need not appear in
   the global DNS since the correspondent discovers the address by
   examining the source of received packets.

3.5.  Internetwork Correspondent to MANET Peer

   When an Internetwork correspondent needs to communicate with a target
   peer within a local MANET routing region, the correspondent consults
   the global DNS to determine an IP address for the peer.

   The correspondent then forwards packets via standard Internet routing
   until they arrive at a relay.  The relay then establishes per-flow
   virtual circuits in the overlay to the MANET peer while forwarding
   packets via the virtual circuit until they reach the destination.
   Reverse path forwarding from the MANET peer to the Internetwork
   correspondent is then conducted in the same manner described in
   Section 3.4.

   IP addresses covered by delegated prefixes remain stable even across
   MANET-wide mobility events to the point that continuous dynamic
   updates to the DNS are not required to maintain uninterruptable

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   communications.  While it is possible that mobility events may cause
   minor temporary disruptions, transport protocol retransmissions will
   maintain continuity for any ongoing sessions.

3.6.  Peer-to-Peer Between Different MANETs

   When two prospective peer nodes are located in different MANET local
   routing regions separated by one or more transit Internetwork
   segments, both peers should include their IP addresses in global DNS
   resource records for the same reasons cited in Section 3.5.

   The peers then establish per-flow virtual circuits in the overlay to
   support peer-to-peer bidirectional packet forwarding.  The peers may
   use either an MNP address or their MLAs, as the MLAs are routable
   within the overlay limited domain.  The overlay therefore exhibits
   the outward appearance of a MANET-of-MANETs, where overlay interior
   nodes engage in an interdomain global routing service bridging many
   MANET local routing domains.

   A certain degree of coordination between peer nodes and the MSP is
   the required to maintain address mappings.  The MSP is responsible
   for ensuring that each peer remains reachable at its stable MNP/MLA
   addresses through distributed mobility management.

3.7.  Stub MANET to Not-so-stubby MANET Connections

   When an Internet connection sharing MANET router connects a stub
   MANET, it can either delegate public IP addresses to stub MANET nodes
   or delegate private IP addresses then apply Network Address
   Translation (NAT) to support external communications.

   In the public case, all manners of peer-to-peer communications are
   made possible due to the globally routable nature of the addresses.
   In the NAT case, only communications initiated by a stub network peer
   are supported since the reverse path terminates at the NAT.

   The stub MANET itself may configure a local overlay that regards the
   (multihop) MANET as a single unified link.  In that case, the stub
   network overlay link is distinct from the overlay link that spans the
   global public Internet and the two links are joined by an IPv6
   router.

   In the not-so-stubby case, a single overlay link extends across both
   any transit Internetworks and the source and target MANETs
   themselves.  All peer-to-peer communications are therefore conveyed
   across the common MANET Internetworking overlay.

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4.  IANA Considerations

   This document is informational and does not in itself request any
   IANA actions.  IANA considerations can be found in the solution space
   documents cited.

5.  Security Considerations

   This document is informational and does not in itself address
   security.  Security considerations can be found in the solution space
   documents cited.

6.  Acknowledgements

   This work is derived directly from "MANET Internetworking: Problem
   Statement and Gap Analysis" [I-D.templin-manet-inet].

   This work is aligned with the Boeing/Virginia Tech National Security
   Institute (VTNSI) 5G MANET research program.

   Honoring life, liberty and the pursuit of happiness.

7.  References

7.1.  Normative References

   [RFC0791]  Postel, J., "Internet Protocol", STD 5, RFC 791,
              DOI 10.17487/RFC0791, September 1981,
              <https://www.rfc-editor.org/info/rfc791>.

   [RFC8200]  Deering, S. and R. Hinden, "Internet Protocol, Version 6
              (IPv6) Specification", STD 86, RFC 8200,
              DOI 10.17487/RFC8200, July 2017,
              <https://www.rfc-editor.org/info/rfc8200>.

7.2.  Informative References

   [I-D.templin-6man-aero3]
              Templin, F., "Automatic Extended Route Optimization
              (AERO)", Work in Progress, Internet-Draft, draft-templin-
              6man-aero3-52, 23 January 2026,
              <https://datatracker.ietf.org/doc/html/draft-templin-6man-
              aero3-52>.

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   [I-D.templin-6man-mla]
              Templin, F., "IPv6 Addresses for Ad Hoc Networks", Work in
              Progress, Internet-Draft, draft-templin-6man-mla-30, 11
              November 2025, <https://datatracker.ietf.org/doc/html/
              draft-templin-6man-mla-30>.

   [I-D.templin-6man-omni3]
              Templin, F., "Transmission of IP Packets over Overlay
              Multilink Network (OMNI) Interfaces", Work in Progress,
              Internet-Draft, draft-templin-6man-omni3-73, 6 February
              2026, <https://datatracker.ietf.org/doc/html/draft-
              templin-6man-omni3-73>.

   [I-D.templin-manet-inet]
              Templin, F. and D. J. Jakubisin, "MANET Internetworking:
              Problem Statement and Gap Analysis", Work in Progress,
              Internet-Draft, draft-templin-manet-inet-02, 12 January
              2026, <https://datatracker.ietf.org/doc/html/draft-
              templin-manet-inet-02>.

   [RFC2501]  Corson, S. and J. Macker, "Mobile Ad hoc Networking
              (MANET): Routing Protocol Performance Issues and
              Evaluation Considerations", RFC 2501,
              DOI 10.17487/RFC2501, January 1999,
              <https://www.rfc-editor.org/info/rfc2501>.

   [RFC4429]  Moore, N., "Optimistic Duplicate Address Detection (DAD)
              for IPv6", RFC 4429, DOI 10.17487/RFC4429, April 2006,
              <https://www.rfc-editor.org/info/rfc4429>.

   [RFC4861]  Narten, T., Nordmark, E., Simpson, W., and H. Soliman,
              "Neighbor Discovery for IP version 6 (IPv6)", RFC 4861,
              DOI 10.17487/RFC4861, September 2007,
              <https://www.rfc-editor.org/info/rfc4861>.

   [RFC6621]  Macker, J., Ed., "Simplified Multicast Forwarding",
              RFC 6621, DOI 10.17487/RFC6621, May 2012,
              <https://www.rfc-editor.org/info/rfc6621>.

   [RFC6762]  Cheshire, S. and M. Krochmal, "Multicast DNS", RFC 6762,
              DOI 10.17487/RFC6762, February 2013,
              <https://www.rfc-editor.org/info/rfc6762>.

   [RFC8415]  Mrugalski, T., Siodelski, M., Volz, B., Yourtchenko, A.,
              Richardson, M., Jiang, S., Lemon, T., and T. Winters,
              "Dynamic Host Configuration Protocol for IPv6 (DHCPv6)",
              RFC 8415, DOI 10.17487/RFC8415, November 2018,
              <https://www.rfc-editor.org/info/rfc8415>.

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   [RFC8799]  Carpenter, B. and B. Liu, "Limited Domains and Internet
              Protocols", RFC 8799, DOI 10.17487/RFC8799, July 2020,
              <https://www.rfc-editor.org/info/rfc8799>.

   [RFC9374]  Moskowitz, R., Card, S., Wiethuechter, A., and A. Gurtov,
              "DRIP Entity Tag (DET) for Unmanned Aircraft System Remote
              ID (UAS RID)", RFC 9374, DOI 10.17487/RFC9374, March 2023,
              <https://www.rfc-editor.org/info/rfc9374>.

   [RFC9663]  Colitti, L., Linkova, J., Ed., and X. Ma, Ed., "Using
              DHCPv6 Prefix Delegation (DHCPv6-PD) to Allocate Unique
              IPv6 Prefixes per Client in Large Broadcast Networks",
              RFC 9663, DOI 10.17487/RFC9663, October 2024,
              <https://www.rfc-editor.org/info/rfc9663>.

   [RFC9762]  Colitti, L., Linkova, J., Ma, X., Ed., and D. Lamparter,
              "Using Router Advertisements to Signal the Availability of
              DHCPv6 Prefix Delegation to Clients", RFC 9762,
              DOI 10.17487/RFC9762, June 2025,
              <https://www.rfc-editor.org/info/rfc9762>.

Appendix A.  Change Log

   << RFC Editor - remove prior to publication >>

   Differences from -00 to -01:

   *  Clarified that the routing scope for MLAs is the entire overlay
      limited domain.

   Differences from earlier versions:

   *  First draft publication.

Authors' Addresses

   Fred L. Templin (editor)
   Boeing Technology Innovation
   P.O. Box 3707
   Seattle, WA 98124
   United States of America
   Email: fltemplin@acm.org

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Internet-Draft               AERO/OMNI MANET               February 2026

   Daniel J. Jakubisin
   National Security Institute, Virginia Tech
   2202 Kraft Dr.
   Blacksburg, VA 24060
   United States of America
   Email: djj@vt.edu

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