Browse Prior Art Database

RAP: Internet Route Access Protocol (RFC1476)

IP.com Disclosure Number: IPCOM000002303D
Original Publication Date: 1993-Jun-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 17 page(s) / 42K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Ullmann: AUTHOR

Abstract

This RFC describes an open distance vector routing protocol for use at all levels of the internet, from isolated LANs to the major routers of an international commercial network provider.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 7% of the total text.

Network Working Group R. Ullmann

Request for Comments: 1476 Process Software Corporation

June 1993

RAP: Internet Route Access Protocol

Status of this Memo

This memo defines an Experimental Protocol for the Internet

community. It does not specify an Internet standard. Discussion and

suggestions for improvement are requested. Please refer to the

current edition of the "IAB Official Protocol Standards" for the

standardization state and status of this protocol. Distribution of

this memo is unlimited.

Abstract

This RFC describes an open distance vector routing protocol for use

at all levels of the internet, from isolated LANs to the major

routers of an international commercial network provider.

Table of Contents

1. Introduction . . . . . . . . . . . . . . . . . . . 2

1.1 Link-State and Distance-Vector . . . . . . . . . . 3

1.2 Terminology . . . . . . . . . . . . . . . . . . . 3

1.3 Philosophy . . . . . . . . . . . . . . . . . . . . 3

2. RAP Protocol . . . . . . . . . . . . . . . . . . . 4

2.1 Command Header Format . . . . . . . . . . . . . . 4

2.1.1 Length field . . . . . . . . . . . . . . . . . . . 4

2.1.2 RAP version . . . . . . . . . . . . . . . . . . . 5

2.2 RAP Commands . . . . . . . . . . . . . . . . . . . 5

2.2.1 No operation . . . . . . . . . . . . . . . . . . . 5

2.2.2 Poll . . . . . . . . . . . . . . . . . . . . . . . 6

2.2.3 Error . . . . . . . . . . . . . . . . . . . . . . 7

2.2.4 Add Route . . . . . . . . . . . . . . . . . . . . 8

2.2.5 Purge Route . . . . . . . . . . . . . . . . . . . 9

3. Attributes of Routes . . . . . . . . . . . . . . . 9

3.1 Metric and Option Format . . . . . . . . . . . . .10

3.1.1 Option Class . . . . . . . . . . . . . . . . . . 10

3.1.2 Type . . . . . . . . . . . . . . . . . . . . . . 10

3.1.3 Format . . . . . . . . . . . . . . . . . . . . . 11

3.2 Metrics and Options . . . . . . . . . . . . . . 11

3.2.1 Distance . . . . . . . . . . . . . . . . . . . . 12

3.2.2 Delay . . . . . . . . . . . . . . . . . . . . . 12

3.2.3 MTU . . . . . . . . . . . . . . . . . . . . . . 12

3.2.4 Bandwidth . . . . . . . . . . . . . . . . . . . 12

3.2.5 Origin . . . . . . . . . . . . . . . . . . . . . 12

3.2.6 Target . . . . . . . . . . . . . . . . . . . . . 13

3.2.7 Packet Cost . . . . . . . . . . . . . . . . . . 13

3.2.8 Time Cost . . . . . . . . . . . . . . . . . . . 13

3.2.9 Source Restriction . . . . . . . . . . . . . . . 14

3.2.10 Destination Restriction . . . . . . . . . . . . 14

3.2.11 Trace . . . . . . . . . . . . . . . . . . . . . 14

3.2.12 AUP . . . . . . . . . . . . . . . . . . . . . . 15

3.2.13 Public . . . . . . . . . . . . . . . . ....