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An Echo Function for CLNP (ISO 8473) (RFC1575)

IP.com Disclosure Number: IPCOM000002409D
Original Publication Date: 1994-Feb-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 8 page(s) / 21K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Hares: AUTHOR [+2]

Abstract

This memo defines an echo function for the connection-less network layer protocol. The mechanism that is mandated here is in the final process of being standardized by ISO as "Amendment X: Addition of an Echo function to ISO 8473" an integral part of Version 2 of ISO 8473.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 14% of the total text.

Network Working Group S. Hares

Request for Comments: 1575 Merit/NSFNET

Obsoletes: 1139 C. Wittbrodt

Category: Standards Track Stanford University/BARRNet

February 1994

An Echo Function for CLNP (ISO 8473)

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.

Abstract

This memo defines an echo function for the connection-less network

layer protocol. The mechanism that is mandated here is in the final

process of being standardized by ISO as "Amendment X: Addition of an

Echo function to ISO 8473" an integral part of Version 2 of ISO 8473.

Table of Contents

Section 1. Conventions ................................. 2

Section 2. Introduction ................................ 2

Section 3. The Generic Echo Function ................... 3

Section 3.1 The Echo-Request ........................... 3

Section 3.2 The Echo-Response .......................... 3

Section 4. The Implementation Mechanism ................ 4

Section 4.1 The Echo-Request ........................... 4

Section 4.2 The Echo-Response .......................... 4

Section 5. Implementation Notes ........................ 4

Section 5.1 Discarding Packets ......................... 4

Section 5.2 Error Report Flag .......................... 4

Section 5.3 Use of the Lifetime Field .................. 5

Section 5.4 Echo-request function ...................... 5

Section 5.5 Echo-response function ..................... 6

Section 5.6 Use of the Priority Option ................. 8

Section 5.7 Use of the Source Route Option ............. 8

Section 5.8 Transmission of Multiple Echo-Requests ..... 9

Section 6. Security Considerations ..................... 9

Section 7. Authors' Addresses .......................... 9

Section 8. References .................................. 9

1. Conventions

The following language conventions are used in the items of

specification in this document:

o MUST, SHALL, or MANDATORY -- the item is an absolute

requirement of the specification.

o SHOULD or RECOMMENDED -- the item should generally be followed

for all but exceptional circumstances.

o MAY or OPTIONAL -- the item is truly optional and may be

followed or ignored according to the needs of the implementor.

2. Introduction

The OSI Connection-less network layer protocol (ISO 8473) defines a

means for transmitting and relaying data and error protocol data

units, (PDUs)...