Internet Engineering Task Force (IETF)                       B. Decraene
Request for Comments: 7537                                        Orange
Updates: 4379, 6424                                             N. Akiya
Category: Standards Track                                   C. Pignataro
ISSN: 2070-1721                                            Cisco Systems
                                                           L. Andersson
                                                              S. Aldrin
                                                    Huawei Technologies
                                                               May 2015


               IANA Registries for LSP Ping Code Points

Abstract

  RFCs 4379 and 6424 created name spaces for Multi-Protocol Label
  Switching (MPLS) Label Switched Path (LSP) Ping.  However, those RFCs
  did not create the corresponding IANA registries for Downstream
  Mapping object Flags (DS Flags), Multipath Types, Pad TLVs, and
  Interface and Label Stack Address Types.

  There is now a need to make further code point allocations from these
  name spaces.  This document updates RFCs 4379 and 6424 in that it
  creates IANA registries for that purpose.

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/rfc7537.













Decraene, et al.             Standards Track                    [Page 1]

RFC 7537              IANA Registries for LSP Ping              May 2015


Copyright Notice

  Copyright (c) 2015 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.

Table of Contents

  1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
  2.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   3
    2.1.  DS Flags  . . . . . . . . . . . . . . . . . . . . . . . .   3
    2.2.  Multipath Types . . . . . . . . . . . . . . . . . . . . .   3
    2.3.  Pad Type  . . . . . . . . . . . . . . . . . . . . . . . .   4
    2.4.  Interface and Label Stack Address Type  . . . . . . . . .   5
  3.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
  4.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   6
    4.1.  Normative References  . . . . . . . . . . . . . . . . . .   6
    4.2.  Informative References  . . . . . . . . . . . . . . . . .   6
  Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   7

1.  Introduction

  [RFC4379] and [RFC6424] created name spaces for MPLS LSP Ping.
  However, those RFCs did not create the corresponding IANA registries
  for DS Flags, Multipath Types, Pad TLVs, and Interface and Label
  Stack Address Types.

  There is now a need to make further code point allocations from these
  name spaces.  In particular, [ENTROPY-LSP-PING] and [LSP-PING-LAG]
  request new DS Flags and Multipath Type allocations.

  This document updates [RFC4379] and [RFC6424] in that it creates IANA
  registries for that purpose.

  Note that "DS Flags" and "Multipath Type" are fields included in two
  TLVs defined in the "Multi-Protocol Label Switching (MPLS) Label
  Switched Paths (LSPs) Ping Parameters - TLVs" registry: Downstream
  Mapping (DEPRECATED) (value 2) and Downstream Detailed Mapping (value
  20).  Modification to either registry will affect both TLVs.



Decraene, et al.             Standards Track                    [Page 2]

RFC 7537              IANA Registries for LSP Ping              May 2015


2.  IANA Considerations

  Per this document, IANA has created new registries within the "Multi-
  Protocol Label Switching (MPLS) Label Switched Paths (LSPs) Ping
  Parameters" [IANA-MPLS-LSP-PING] registry to maintain DS Flags,
  Multipath Types, Pad TLVs, and Interface and Label Stack Address
  Types fields.  The registry names and initial values are described in
  the immediate subsections that follow.

2.1.  DS Flags

  [RFC4379] defines the Downstream Mapping (DSMAP) TLV, which has Type
  2 assigned from the "Multi-Protocol Label Switching (MPLS) Label
  Switched Paths (LSPs) Ping Parameters - TLVs" registry.

  [RFC6424] defines the Downstream Detailed Mapping (DDMAP) TLV, which
  has Type 20 assigned from the "Multi-Protocol Label Switching (MPLS)
  Label Switched Paths (LSPs) Ping Parameters - TLVs" registry.

  DSMAP has been deprecated by DDMAP, but both TLVs share a field: DS
  Flags.

  IANA has created and now maintains a registry entitled "DS Flags".

  The registration policy for this registry is Standards Action
  [RFC5226].

  IANA has made the following initial assignments:

  Registry Name: DS Flags

   Bit number Name                                         Reference
   ---------- ----------------------------------------     ---------
         7    N: Treat as a Non-IP Packet                   RFC 4379
         6    I: Interface and Label Stack Object Request   RFC 4379
       5-0    Unassigned

2.2.  Multipath Types

  IANA has created and now maintains a registry entitled "Multipath
  Types".

  The registration policies [RFC5226] for this registry are as follows:

     0-250    Standards Action
   251-254    Experimental Use
       255    Standards Action




Decraene, et al.             Standards Track                    [Page 3]

RFC 7537              IANA Registries for LSP Ping              May 2015


  IANA has made the following initial assignments:

  Registry Name: Multipath Types

   Value      Meaning                                  Reference
   ---------- ---------------------------------------- ---------
         0    no multipath                             RFC 4379
         1    Unassigned
         2    IP address                               RFC 4379
         3    Unassigned
         4    IP address range                         RFC 4379
       5-7    Unassigned
         8    Bit-masked IP address set                RFC 4379
         9    Bit-masked label set                     RFC 4379
    10-250    Unassigned
   251-254    Experimental Use                         This document
       255    Reserved                                 This document

2.3.  Pad Type

  IANA has created and now maintains a registry entitled "Pad Types".

  The registration policies [RFC5226] for this registry are:


     0-250    Standards Action
   251-254    Experimental Use
       255    Standards Action

  IANA has made the following initial assignments:

  Registry Name: Pad Types

   Value      Meaning                                  Reference
   ---------- ---------------------------------------- ---------
         0    Reserved                                 This document
         1    Drop Pad TLV from reply                  RFC 4379
         2    Copy Pad TLV to reply                    RFC 4379
     3-250    Unassigned
   251-254    Experimental Use                         This document
       255    Reserved                                 This document










Decraene, et al.             Standards Track                    [Page 4]

RFC 7537              IANA Registries for LSP Ping              May 2015


2.4.  Interface and Label Stack Address Type

  IANA has created and now maintains a registry entitled "Interface and
  Label Stack Address Types".

  The registration policies [RFC5226] for this registry are:

     0-250    Standards Action
   251-254    Experimental Use
       255    Standards Action

  IANA has made the following initial assignments:

  Registry Name: Interface and Label Stack Address Types

   Value      Meaning                                  Reference
   ---------- ---------------------------------------- ---------
         0    Reserved                                 This document
         1    IPv4 Numbered                            RFC 4379
         2    IPv4 Unnumbered                          RFC 4379
         3    IPv6 Numbered                            RFC 4379
         4    IPv6 Unnumbered                          RFC 4379
     5-250    Unassigned
   251-254    Experimental Use                         This document
       255    Reserved                                 This document

3.  Security Considerations

  This document simply creates IANA registries for code points defined
  in [RFC4379] and [RFC6424].  Thus, there are no new security
  concerns.




















Decraene, et al.             Standards Track                    [Page 5]

RFC 7537              IANA Registries for LSP Ping              May 2015


4.  References

4.1.  Normative References

  [RFC4379]  Kompella, K. and G. Swallow, "Detecting Multi-Protocol
             Label Switched (MPLS) Data Plane Failures", RFC 4379,
             February 2006, <http://www.rfc-editor.org/info/rfc4379>.

  [RFC6424]  Bahadur, N., Kompella, K., and G. Swallow, "Mechanism for
             Performing Label Switched Path Ping (LSP Ping) over MPLS
             Tunnels", RFC 6424, November 2011,
             <http://www.rfc-editor.org/info/rfc6424>.

4.2.  Informative References

  [ENTROPY-LSP-PING]
             Akiya, N., Swallow, G., Pignataro, C., Malis, A., and S.
             Aldrin, "Label Switched Path (LSP) and Pseudowire (PW)
             Ping/Trace over MPLS Network using Entropy Labels (EL)",
             Work in Progress, draft-ietf-mpls-entropy-lsp-ping-00,
             December 2014.

  [IANA-MPLS-LSP-PING]
             IANA, "Multi-Protocol Label Switching (MPLS) Label
             Switched Paths (LSPs) Ping Parameters",
             <http://www.iana.org/assignments/
             mpls-lsp-ping-parameters>.

  [LSP-PING-LAG]
             Akiya, N., Swallow, G., Litkowski, S., Decraene, B., and
             J. Drake, "Label Switched Path (LSP) Ping/Trace Multipath
             Support for Link Aggregation Group (LAG) Interfaces", Work
             in Progress, draft-ietf-mpls-lsp-ping-lag-multipath-00,
             January 2015.

  [RFC5226]  Narten, T. and H. Alvestrand, "Guidelines for Writing an
             IANA Considerations Section in RFCs", BCP 26, RFC 5226,
             May 2008, <http://www.rfc-editor.org/info/rfc5226>.













Decraene, et al.             Standards Track                    [Page 6]

RFC 7537              IANA Registries for LSP Ping              May 2015


Authors' Addresses

  Bruno Decraene
  Orange

  EMail: [email protected]


  Nobo Akiya
  Cisco Systems

  EMail: [email protected]


  Carlos Pignataro
  Cisco Systems

  EMail: [email protected]


  Loa Andersson
  Huawei Technologies

  EMail: [email protected]


  Sam Aldrin
  Huawei Technologies

  EMail: [email protected]





















Decraene, et al.             Standards Track                    [Page 7]


You are viewing proxied material from gopher.fnord.one. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.