IPv4 Hop-by-Hop Options and Destination Options Extension Headers
draft-herbert-ipv4-hbh-destopt-00

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INTERNET-DRAFT                                                T. Herbert
Intended Status: Proposed Standard                                 Intel
Expires: March 2020                                                     
                                                                        
                                                      September 24, 2019

   IPv4 Hop-by-Hop Options and Destination Options Extension Headers 
                   draft-herbert-ipv4-hbh-destopt-00

Abstract

   This specification enables the use of Hop-by-Hop Options and
   Destination Options extension headers which are defined for IPv6 to
   be used with IPv4. The goal is to provide a uniform and feasible
   method of extensibility that is common between IPv4 and IPv6.

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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Copyright and License Notice

   Copyright (c) 2019 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
 

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   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
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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  . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1 Motivation . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.2 Enabling IPv4 extension headers  . . . . . . . . . . . . . .  4
   2  Format  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.1 Option format  . . . . . . . . . . . . . . . . . . . . . . .  6
     2.2 Extension header formats . . . . . . . . . . . . . . . . . .  6
       2.2.1 Hop-by-Hop Options . . . . . . . . . . . . . . . . . . .  6
       2.2.2 Destination Options Header . . . . . . . . . . . . . . .  6
     2.3 Extension Header Order . . . . . . . . . . . . . . . . . . .  6
     2.4 Experimental options . . . . . . . . . . . . . . . . . . . .  7
   3  ICMP errors . . . . . . . . . . . . . . . . . . . . . . . . . .  7
     3.1 Parameter Problem codes  . . . . . . . . . . . . . . . . . .  7
     3.2 Destination Unreachable codes  . . . . . . . . . . . . . . .  9
   4  Requirements and operation  . . . . . . . . . . . . . . . . . . 10
     4.1 Requirements . . . . . . . . . . . . . . . . . . . . . . . . 10
     4.2 Interaction with standard IPv4 mechanisms  . . . . . . . . . 11
       4.2.1 IPv4 options . . . . . . . . . . . . . . . . . . . . . . 11
       4.2.2 IPv4 fragmentation . . . . . . . . . . . . . . . . . . . 11
     4.3 Processing limits  . . . . . . . . . . . . . . . . . . . . . 11
   5  Deployability . . . . . . . . . . . . . . . . . . . . . . . . . 12
   6  Security Considerations . . . . . . . . . . . . . . . . . . . . 13
   7  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 13
     7.1 Protocol descriptions  . . . . . . . . . . . . . . . . . . . 13
     7.2 IPv4 Parameters registry . . . . . . . . . . . . . . . . . . 13
     7.3 ICMP parameters  . . . . . . . . . . . . . . . . . . . . . . 15
       7.3.1 Parameter Problem codes  . . . . . . . . . . . . . . . . 15
       7.3.2 Destination Unreachable codes  . . . . . . . . . . . . . 15
   8  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 16
     8.1  Normative References  . . . . . . . . . . . . . . . . . . . 16
     8.2  Informative References  . . . . . . . . . . . . . . . . . . 16
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 18

 

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