Using CLA-Specific Endpoint IDs to identify Channel Endpoint
draft-loiseau-dtn-cla-eid-00

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Delay Tolerant Network                                        L. Loiseau
Internet-Draft                                                 RightMesh
Intended status: Standards Track                       November 21, 2018
Expires: May 25, 2019

      Using CLA-Specific Endpoint IDs to identify Channel Endpoint
                      draft-loiseau-dtn-cla-eid-00

Abstract

   This document describes a specific EID scheme namely "cla" that meets
   the requirement for endpoint identification as defined in the Bundle
   Protocol and that also uniquely identifies a Convergence Layer
   Adapter "channel" and is, in essence, an interface identifier (IID).
   Such IID is comprised of two parts: a "cla-identifier" part that
   identifies a specific convergence layer adapter, and a "cla-
   parameters" part that is a cla-specific list of parameter describing
   a single channel managed by this convergence layer adapter.

Status of This Memo

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   This Internet-Draft will expire on May 25, 2019.

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   Copyright (c) 2018 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
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   include Simplified BSD License text as described in Section 4.e of
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Convention used in this document  . . . . . . . . . . . . . .   2
   3.  IID: Scheme Syntax and Rules  . . . . . . . . . . . . . . . .   3
   4.  CLA Additional Services . . . . . . . . . . . . . . . . . . .   3
     4.1.  IID as an Egress Identifier . . . . . . . . . . . . . . .   3
     4.2.  IID as an Ingress Identifier  . . . . . . . . . . . . . .   3
   5.  IIDs Examples . . . . . . . . . . . . . . . . . . . . . . . .   4
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .   4
     6.2.  Informative References  . . . . . . . . . . . . . . . . .   4
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   This document describes a specific EID scheme namely "cla" that meets
   the requirement for endpoint identification as defined in the Bundle
   Protocol[I-D.ietf-dtn-bpbis] and that is managed by convergence layer
   adapters (CLA).  Such EID of the scheme "cla" is called an Interface
   Identifier (IID) and within the context of the bundle protocol
   operation is used to identify channel endpoints.  A Bundle Protocol
   Interface represents the abstraction of an underlying transport
   channel, managed by a CLA, and that provides the set of services
   described in section 7.2 of [I-D.ietf-dtn-bpbis].  A convergence
   layer adapter that conforms to this specification SHALL provide the
   two additional services:

   1.  egress: MUST provide an IID for every channel that is open and
       for which an interface is available for sending bundles.

   2.  ingress: If applicable, MAY provide an IID identifying the local
       Bundle Node for every channel that is open.

2.  Convention used in this document

   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 [RFC2119].

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3.  IID: Scheme Syntax and Rules

   The general syntax of an IID is:

   cla:<CLA-NAME>:<CLA-SPECIFIC-PART>

   CLA-NAME is the name of the convergence layer adapter that can parse
   or generate this IID.

   CLA-SPECIFIC-PART is the convergence layer specific part that
   identifies a specific cla channel.  This part must be unambiguous and
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