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Datagram Convergence Layers for the Delay- and Disruption-Tolerant Networking (DTN) Bundle Protocol and Licklider Transmission Protocol (LTP) (RFC7122)

IP.com Disclosure Number: IPCOM000235619D
Original Publication Date: 2014-Mar-01
Included in the Prior Art Database: 2014-Mar-13
Document File: 22 page(s) / 26K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Kruse: AUTHOR [+3]

Abstract

DTN communication protocols include the Bundle Protocol described in RFC 5050 [RFC5050], which provides transmission of application data blocks ("bundles") through optional intermediate custody transfer, and the Licklider Transmission Protocol (LTP) -- LTP Motivation [RFC5325], LTP Specification [RFC5326], and LTP Security [RFC5327] -- which can be used to transmit bundles reliably and efficiently over a point-to-point link. It is often desirable to test these protocols over Internet Protocol links. "Delay Tolerant Networking TCP Convergence Layer Protocol" [CLAYER] defines a method for transporting bundles over TCP. This document specifies the preferred method for transmitting either bundles or LTP blocks across the Internet using datagrams in place of TCP. Figure 1 shows the general protocol layering described in the DTN documents. DTN Applications interact with the Bundle Protocol Layer, which in turn uses a Convergence Layer to prepare a bundle for transmission. The Convergence Layer will typically rely on a lower-level protocol to carry out the transmission.

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Internet Research Task Force (IRTF)                             H. Kruse Request for Comments: 7122                               Ohio University Category: Experimental                                           S. Jero ISSN: 2070-1721                                        Purdue University                                                             S. Ostermann                                                          Ohio University                                                               March 2014

                     Datagram Convergence Layers for   the Delay- and Disruption-Tolerant Networking (DTN) Bundle Protocol                and Licklider Transmission Protocol (LTP)

Abstract

   This document specifies the preferred method for transporting Delay-    and Disruption-Tolerant Networking (DTN) protocol data over the    Internet using datagrams.  It covers convergence layers for the    Bundle Protocol (RFC 5050), as well as the transportation of segments    using the Licklider Transmission Protocol (LTP) (RFC 5326).  UDP and    the Datagram Congestion Control Protocol (DCCP) are the candidate    datagram protocols discussed.  UDP can only be used on a local    network or in cases where the DTN node implements explicit congestion    control.  DCCP addresses the congestion control problem, and its use    is recommended whenever possible.  This document is a product of the    Delay-Tolerant Networking Research Group (DTNRG) and represents the    consensus of the DTNRG.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for examination, experimental implementation, and    evaluation.

   This document defines an Experimental Protocol for the Internet    community.  This document is a product of the Internet Research Task    Force (IRTF).  The IRTF publishes the results of Internet-related    research and development activities.  These results might not be    suitable for deployment.  This RFC represents the consensus of the    Delay-Tolerant Networking Research Group of the Internet Research    Task Force (IRTF).  Documents approved for publication by the IRSG    are not a candidate for any level of Internet Standard; see Section 2    of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7122.

 Kruse, et al.                 Experimental                      [Page 1]
 RFC 7122         ...