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Requirements for Internet hosts - application and support (RFC1123)

IP.com Disclosure Number: IPCOM000001933D
Original Publication Date: 1989-Oct-01
Included in the Prior Art Database: 2000-Sep-12

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R.T. Braden: AUTHOR

Abstract

This document is one of a pair that defines and discusses the requirements for host system implementations of the Internet protocol suite. This RFC covers the applications layer and support protocols. Its companion RFC, "Requirements for Internet Hosts -- Communications Layers" [INTRO:1] covers the lower layer protocols: transport layer, IP layer, and link layer.

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This is the abbreviated version, containing approximately 1% of the total text.

Network Working Group Internet Engineering Task Force

Request for Comments: 1123 R. Braden, Editor

October 1989

Requirements for Internet Hosts -- Application and Support

Status of This Memo

This RFC is an official specification for the Internet community. It

incorporates by reference, amends, corrects, and supplements the

primary protocol standards documents relating to hosts. Distribution

of this document is unlimited.

Summary

This RFC is one of a pair that defines and discusses the requirements

for Internet host software. This RFC covers the application and

support protocols; its companion RFC-1122 covers the communication

protocol layers: link layer, IP layer, and transport layer.

Table of Contents

1. INTRODUCTION ............................................... 5

1.1 The Internet Architecture .............................. 6

1.2 General Considerations ................................. 6

1.2.1 Continuing Internet Evolution ..................... 6

1.2.2 Robustness Principle .............................. 7

1.2.3 Error Logging ..................................... 8

1.2.4 Configuration ..................................... 8

1.3 Reading this Document .................................. 10

1.3.1 Organization ...................................... 10

1.3.2 Requirements ...................................... 10

1.3.3 Terminology ....................................... 11

1.4 Acknowledgments ........................................ 12

2. GENERAL ISSUES ............................................. 13

2.1 Host Names and Numbers ................................. 13

2.2 Using Domain Name Service .............................. 13

2.3 Applications on Multihomed hosts ....................... 14

2.4 Type-of-Service ........................................ 14

2.5 GENERAL APPLICATION REQUIREMENTS SUMMARY ............... 15

RFC1123 INTRODUCTION October 1989

3. REMOTE LOGIN -- TELNET PROTOCOL ............................ 16

3.1 INTRODUCTION ........................................... 16

3.2 PROTOCOL WALK-THROUGH .................................. 16

3.2.1 Option Negotiation ................................ 16

3.2.2 Telnet Go-Ahead Function .......................... 16

3.2.3 Control Functions ................................. 17

3.2.4 Telnet "Synch" Signal ............................. 18

3.2.5 NVT Printer and Keyboard .......................... 19

3.2.6 Telnet Command Structure .......................... 20

3.2.7 Telnet Binary Option .............................. 20

3.2.8 Telnet Terminal-Type Option ......