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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: 2019-Feb-12

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Almquist: AUTHOR [+1]

Related Documents

10.17487/RFC1716: DOI

Abstract

The goal of this work is to replace RFC-1009, Requirements for Internet Gateways ([INTRO:1]) with a new document. It defines and discusses requirements for devices which perform the network layer forwarding function of the Internet protocol suite. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.

This text was extracted from a PDF file.
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 SPECIFIC ISSUES .............................................. 30 3.3.1 Trailer Encapsulation ...................................... 30 3.3.2 Address Resolution Protocol - ARP .......................... 31 3.3.3 Ethernet and 802.3 Coexistence ............................. 31 3.3.4 Maximum Transmission Unit - MTU ............................ 31 3.3....

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