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Application-Layer Multicast Extensions to REsource LOcation And Discovery (RELOAD)
RFC 7019

Document type: RFC - Experimental (September 2013)
Document stream: IRTF
Last updated: 2013-09-27
Other versions: plain text, pdf, html
IETF Conflict Review: conflict-review-irtf-samrg-sam-baseline-protocol

IRTF State: Published RFC
Consensus: Yes
Document shepherd: Thomas Schmidt

IESG State: RFC 7019 (Experimental)
IANA Review State: IANA OK - Actions Needed
IANA Action State: RFC-Ed-Ack
Responsible AD: Brian Haberman
Send notices to: No addresses provided

Internet Research Task Force (IRTF)                            J. Buford
Request for Comments: 7019                           Avaya Labs Research
Category: Experimental                                   M. Kolberg, Ed.
ISSN: 2070-1721                                   University of Stirling
                                                          September 2013

                 Application-Layer Multicast Extensions
              to REsource LOcation And Discovery (RELOAD)

Abstract

   We define a REsource LOcation And Discovery (RELOAD) Usage for
   Application-Layer Multicast (ALM) as well as a mapping to the RELOAD
   experimental message type to support ALM.  The ALM Usage is intended
   to support a variety of ALM control algorithms in an overlay-
   independent way.  Two example algorithms are defined, based on Scribe
   and P2PCast.

   This document is a product of the Scalable Adaptive Multicast
   Research Group (SAM RG).

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
   Scalable Adaptive Multicast 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/rfc7019.

Buford & Kolberg              Experimental                      [Page 1]
RFC 7019                ALM Extensions to RELOAD          September 2013

Copyright Notice

   Copyright (c) 2013 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.

Table of Contents

   1. Introduction ....................................................4
      1.1. Requirements Language ......................................5
   2. Definitions .....................................................5
      2.1. Overlay Network ............................................5
      2.2. Overlay Multicast ..........................................5
      2.3. Source-Specific Multicast (SSM) ............................6
      2.4. Any-Source Multicast (ASM) .................................6
      2.5. Peer .......................................................6
   3. Assumptions .....................................................6
      3.1. Overlay ....................................................6
      3.2. Overlay Multicast ..........................................7
      3.3. RELOAD .....................................................7
      3.4. NAT ........................................................7
      3.5. Tree Topology ..............................................7
   4. Architecture Extensions to RELOAD ...............................7
   5. RELOAD ALM Usage ................................................9
   6. ALM Tree Control Signaling ......................................9
   7. ALM Messages Mapped to RELOAD ..................................11
      7.1. Introduction ..............................................11
      7.2. Tree Lifecycle Messages ...................................12
           7.2.1. CreateALMTree ......................................12
           7.2.2. CreateALMTreeResponse ..............................13
           7.2.3. Join ...............................................13
           7.2.4. JoinAccept (Join Response) .........................14
           7.2.5. JoinReject (Join Response) .........................15
           7.2.6. JoinConfirm ........................................15
           7.2.7. JoinConfirmResponse ................................16
           7.2.8. JoinDecline ........................................16
           7.2.9. JoinDeclineResponse ................................16
           7.2.10. Leave .............................................17
           7.2.11. LeaveResponse .....................................17
           7.2.12. Reform or Optimize Tree ...........................17
           7.2.13. ReformResponse ....................................18

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