ARP and IP Broadcast over HIPPI-800
RFC 2834

Document Type RFC - Proposed Standard (May 2000; Errata)
Updated by RFC 5494
Obsoletes RFC 1374
Was draft-pittet-hippiarp (individual)
Last updated 2013-03-02
Stream IETF
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IESG IESG state RFC 2834 (Proposed Standard)
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Network Working Group                                        J.-M. Pittet
Request for Comments: 2834                          Silicon Graphics Inc.
Obsoletes: 1374                                                  May 2000
Category: Standards Track

                  ARP and IP Broadcast over HIPPI-800

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   This document specifies a method for resolving IP addresses to ANSI
   High-Performance Parallel Interface (HIPPI) hardware addresses and
   for emulating IP broadcast in a logical IP subnet (LIS) as a direct
   extension of HARP. This memo defines a HARP that will interoperate
   between HIPPI-800 and HIPPI-6400 (also known as Gigabyte System
   Network, GSN). This document (when combined with RFC-2067 "IP over
   HIPPI") obsoletes RFC-1374.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   3
       3.1 Global Concepts . . . . . . . . . . . . . . . . . . .   3
       3.2 Glossary  . . . . . . . . . . . . . . . . . . . . . .   3
   4.  IP Subnetwork Configuration . . . . . . . . . . . . . . .   5
       4.1 Background  . . . . . . . . . . . . . . . . . . . . .   5
       4.2 HIPPI LIS Requirements  . . . . . . . . . . . . . . .   6
   5.  HIPPI Address Resolution Protocol - HARP  . . . . . . . .   7
       5.1 HARP Algorithm  . . . . . . . . . . . . . . . . . . .   8
           5.1.1 Selecting the authoritative HARP service  . . .   8
           5.1.2 HARP registration phase . . . . . . . . . . . .   9
           5.1.3 HARP operational phase  . . . . . . . . . . . .  10
   5.2 HARP Client Operational Requirements  . . . . . . . . . .  11
       5.3 Receiving Unknown HARP Messages . . . . . . . . . . .  12
       5.4 HARP Server Operational Requirements  . . . . . . . .  12

Pittet                      Standards Track                     [Page 1]
RFC 2834          ARP and IP Broadcast over HIPPI-800           May 2000

       5.5 HARP and Permanent ARP Table Entries  . . . . . . . .  14
       5.6 HARP Table Aging  . . . . . . . . . . . . . . . . . .  14
   6.  HARP Message Encoding . . . . . . . . . . . . . . . . . .  15
       6.1 HIPPI-LE Header of HARP Messages  . . . . . . . . . .  15
           6.1.1 IEEE 802.2 LLC  . . . . . . . . . . . . . . . .  16
           6.1.2 SNAP  . . . . . . . . . . . . . . . . . . . . .  16
           6.1.3 Diagram . . . . . . . . . . . . . . . . . . . .  17
       6.2 HIPPI Hardware Address Formats and Requirements . . .  18
           6.2.1 48-bit Universal LAN MAC Addresses  . . . . . .  18
       6.3 HARP and InHARP Message Formats . . . . . . . . . . .  19
           6.3.1 Example Message encodings . . . . . . . . . . .  22
           6.3.2 HARP_NAK message format . . . . . . . . . . . .  22
           6.3.3 Combined HIPPI-LE and HARP message addresses  .  22
   7.  Broadcast and Multicast . . . . . . . . . . . . . . . . .  23
       7.1 Protocol for an IP Broadcast Emulation Server - PIBES  23
       7.2 IP Broadcast Address  . . . . . . . . . . . . . . . .  24
       7.3 IP Multicast Address  . . . . . . . . . . . . . . . .  24
       7.4 A Note on Broadcast Emulation Performance . . . . . .  24
   8.  HARP for Scheduled Transfer Protocol  . . . . . . . . . .  25
   9.  Discovery of One's Own Switch Address . . . . . . . . . .  25
   10. Security Considerations . . . . . . . . . . . . . . . . .  26
   11. Open Issues . . . . . . . . . . . . . . . . . . . . . . .  26
   12. HARP Examples . . . . . . . . . . . . . . . . . . . . . .  26
       12.1 Registration Phase of Client Y on Non-broadcast HW .  27
       12.2 Registration Phase of Client Y on Broadcast Hardware  28
       12.3 Operational Phase (phase II) . . . . . . . . . . . .  28
            12.3.1 Standard successful HARP_Resolve example  . .  29
            12.3.2 Standard non-successful HARP_Resolve example   30
   13. References  . . . . . . . . . . . . . . . . . . . . . . .  31
   14. Acknowledgments . . . . . . . . . . . . . . . . . . . . .  32
   15. Changes from RFC-1374 . . . . . . . . . . . . . . . . . .  32
   16. Author's Address  . . . . . . . . . . . . . . . . . . . .  33
   17. Full Copyright Statement  . . . . . . . . . . . . . . . .  34

1. Introduction

   The ANSI High-Performance Parallel Interface (HIPPI) is a dual
   simplex data channel.   HIPPI can send and receive data
   simultaneously at 800 or 1600 megabits per second. Between 1987 and
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