Bundle-in-Bundle Encapsulation
draft-ietf-dtn-bibect-00

Document Type Active Internet-Draft (dtn WG)
Last updated 2018-07-31
Replaces draft-burleigh-dtn-bibect
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Delay-Tolerant Networking Working Group                     S. Burleigh
Internet Draft                          JPL, Calif. Inst. Of Technology
Intended status: Standards Track                          July 30, 2018
Expires: January 2019

                      Bundle-in-Bundle Encapsulation
                       draft-ietf-dtn-bibect-00.txt

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
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Burleigh                 Expires January 2019                  [Page 1]
Internet-Draft      Bundle-in-Bundle Encapsulation            July 2018

Abstract

   This document describes Bundle-in-Bundle Encapsulation (BIBE), a
   Delay-Tolerant Networking (DTN) Bundle Protocol (BP) "convergence
   layer" protocol that tunnels BP "bundles" through encapsulating
   bundles.  The services provided by the BIBE convergence-layer
   protocol adapter encapsulate an outbound BP "bundle" in a BIBE
   convergence-layer protocol data unit for transmission as the payload
   of a bundle.  Security measures applied to the encapsulating bundle
   may augment those applied to the encapsulated bundle.  The protocol
   includes a mechanism for recovery from loss of an encapsulating
   bundle, called "custody transfer".  This mechanism is adapted from
   the custody transfer procedures described in the experimental Bundle
   Protocol specification developed by the Delay-Tolerant Networking
   Research group of the Internet Research Task Force and documented in
   RFC 5050.

Table of Contents

   1. Introduction...................................................2
   2. Conventions used in this document..............................4
   3. BIBE Design Elements...........................................4
      3.1. BIBE Endpoints............................................4
      3.2. BIBE Protocol Data Units..................................4
      3.3. Custody Signals...........................................6
      3.4. Custody Transfer Status Reports...........................7
   4. BIBE Procedures................................................8
      4.1. BPDU Transmission.........................................8
      4.2. BPDU Reception............................................8
      4.3. Retransmission Timer Expiration..........................10
      4.4. Custody Signal Reception.................................10
   5. Security Considerations.......................................11
   6. IANA Considerations...........................................11
   7. References....................................................11
      7.1. Normative References.....................................11
      7.2. Informative References...................................11
   8. Acknowledgments...............................................11
   Appendix A. For More Information.................................13
   Appendix B. CDDL expression......................................14

1. Introduction

   This document describes Bundle-in-Bundle Encapsulation (BIBE), a
   Delay-Tolerant Networking (DTN) Bundle Protocol (BP) [RFC5050]
   "convergence layer" protocol that tunnels BP "bundles" through
   encapsulating bundles.

Burleigh                 Expires January 2019                  [Page 2]
Internet-Draft      Bundle-in-Bundle Encapsulation            July 2018

   Conformance to the bundle-in-bundle encapsulation (BIBE)
   specification is OPTIONAL for BP nodes.  Each BP node that conforms
   to the BIBE specification provides a BIBE convergence-layer adapter
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