Service Discovery Usage for REsource LOcation And Discovery (RELOAD)
RFC 7374

 
Document Type RFC - Proposed Standard (October 2014; No errata)
Last updated 2014-10-23
Replaces draft-maenpaa-p2psip-service-discovery
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Document shepherd Carlos Bernardos
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IESG IESG state RFC 7374 (Proposed Standard)
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Responsible AD Alissa Cooper
Send notices to p2psip-chairs@ietf.org, draft-ietf-p2psip-service-discovery@ietf.org
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Internet Engineering Task Force (IETF)                        J. Maenpaa
Request for Comments: 7374                                  G. Camarillo
Category: Standards Track                                       Ericsson
ISSN: 2070-1721                                             October 2014

  Service Discovery Usage for REsource LOcation And Discovery (RELOAD)

Abstract

   REsource LOcation And Discovery (RELOAD) does not define a generic
   service discovery mechanism as a part of the base protocol (RFC
   6940).  This document defines how the Recursive Distributed
   Rendezvous (ReDiR) service discovery mechanism can be applied to
   RELOAD overlays to provide a generic service discovery mechanism.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in 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/rfc7374.

Copyright Notice

   Copyright (c) 2014 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
   (http://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 Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Maenpaa & Camarillo          Standards Track                    [Page 1]
RFC 7374           Service Discovery Usage for RELOAD       October 2014

Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................4
   3. Introduction to ReDiR ...........................................5
   4. Using ReDiR in a RELOAD Overlay Instance ........................8
      4.1. Data Structure .............................................8
      4.2. Selecting the Starting Level ...............................9
      4.3. Service Provider Registration ..............................9
      4.4. Refreshing Registrations ..................................10
      4.5. Service Lookups ...........................................11
      4.6. Removing Registrations ....................................13
   5. Access Control Rules ...........................................13
   6. REDIR Kind Definition ..........................................13
   7. Examples .......................................................14
      7.1. Service Registration ......................................14
      7.2. Service Lookup ............................................16
   8. Overlay Configuration Document Extension .......................16
   9. Security Considerations ........................................17
   10. IANA Considerations ...........................................17
      10.1. Access Control Policies ..................................17
      10.2. A New IETF XML Registry ..................................17
      10.3. Data Kind-ID .............................................18
      10.4. RELOAD Services Registry .................................18
   11. References ....................................................19
      11.1. Normative References .....................................19
      11.2. Informative Reference ....................................19
   Acknowledgments ...................................................19
   Authors' Addresses ................................................20

Maenpaa & Camarillo          Standards Track                    [Page 2]
RFC 7374           Service Discovery Usage for RELOAD       October 2014

1.  Introduction

   REsource LOcation And Discovery (RELOAD) [RFC6940] is a peer-to-peer
   signaling protocol that can be used to maintain an overlay network
   and to store data in and retrieve data from the overlay.  Although
   RELOAD defines a service discovery mechanism specific to Traversal
   Using Relays around Network Address Translation (TURN), it does not
   define a generic service discovery mechanism as a part of the base
   protocol.  This document defines how the Recursive Distributed
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