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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: 2019-Feb-13
Document File: 9 page(s) / 13K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Hares: AUTHOR [+1]

Related Documents

10.17487/RFC1575: DOI

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. [STANDARDS-TRACK]

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 16% 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

Hares & Wittbrodt [Page 1]

RFC 1575 An Echo Function for CLNP (ISO 8473) February 1994

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) or preferably, packets through an OSI internet. Unfortunately, the world that these packets travel through is imperfect. Gateways and links may fail. This memo defines an echo function to be used in the debugging and testing of the OSI network layer. Hosts and routers which support...

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