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Towards Requirements for IP Routers (RFC1716)

IP.com Disclosure Number: IPCOM000003963D
Original Publication Date: 1994-Nov-01
Included in the Prior Art Database: 2000-Sep-12

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Almquist: AUTHOR [+2]

Abstract

The goal of this work is to replace RFC-1009, Requirements for Internet Gateways ([INTRO:1]) with a new document.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 1% of the total text.

Network Working Group P. Almquist, Author

Request for Comments: 1716 Consultant

Category: Informational F. Kastenholz, Editor

FTP Software, Inc.

November 1994

Towards Requirements for IP Routers

Status of this Memo

This memo provides information for the Internet community. This memo

does not specify an Internet standard of any kind. Distribution of

this memo is unlimited.

Almquist & Kastenholz [Page i]

RFC 1716 Towards Requirements for IP Routers November 1994

Table of Contents

0. PREFACE ....................................................... 1

1. INTRODUCTION .................................................. 2

1.1 Reading this Document ........................................ 4

1.1.1 Organization ............................................... 4

1.1.2 Requirements ............................................... 5

1.1.3 Compliance ................................................. 6

1.2 Relationships to Other Standards ............................. 7

1.3 General Considerations ....................................... 8

1.3.1 Continuing Internet Evolution .............................. 8

1.3.2 Robustness Principle ....................................... 9

1.3.3 Error Logging .............................................. 9

1.3.4 Configuration .............................................. 10

1.4 Algorithms ................................................... 11

2. INTERNET ARCHITECTURE ......................................... 13

2.1 Introduction ................................................. 13

2.2 Elements of the Architecture ................................. 14

2.2.1 Protocol Layering .......................................... 14

2.2.2 Networks ................................................... 16

2.2.3 Routers .................................................... 17

2.2.4 Autonomous Systems ......................................... 18

2.2.5 Addresses and Subnets ...................................... 18

2.2.6 IP Multicasting ............................................ 20

2.2.7 Unnumbered Lines and Networks and Subnets .................. 20

2.2.8 Notable Oddities ........................................... 22

2.2.8.1 Embedded Routers ......................................... 22

2.2.8.2 Transparent Routers ...................................... 23

2.3 Router Characteristics ....................................... 24

2.4 Architectural Assumptions .................................... 27

3. LINK LAYER .................................................... 29

3.1 INTRODUCTION ................................................. 29

3.2 LINK/INTERNET LAYER INTERFACE ................................ 29

3.3 SP...