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ISO presentation services on top of TCP/IP based internets (RFC1085) Disclosure Number: IPCOM000001894D
Original Publication Date: 1988-Dec-01
Included in the Prior Art Database: 2000-Sep-12
Document File: 27 page(s) / 58K

Publishing Venue

Internet Society Requests For Comment (RFCs)

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Network Working Group M. Rose

Request for Comments: 1085 TWG

December 1988

ISO Presentation Services

on top of TCP/IP-based internets

Status of this Memo

This memo proposes a standard for the Internet community.

Distribution of this memo is unlimited.

1. Introduction

[RFC1006] describes a mechanism for providing the ISO transport

service on top of the Transmission Control Protocol (TCP) [RFC793]

and Internet Protocol (IP) [RFC791]. Once this method is applied,

one may implement "real" ISO applications on top of TCP/IP-based

internets, by simply implementing OSI session, presentation, and

application services on top of the transport service access point

which is provided on top of the TCP. Although straight-forward,

there are some environments in which the richness provided by the OSI

application layer is desired, but it is nonetheless impractical to

implement the underlying OSI infrastructure (i.e., the presentation,

session, and transport services on top of the TCP). This memo

describes an approach for providing "stream-lined" support of OSI

application services on top of TCP/IP-based internets for such

constrained environments.

2. Terminology

In as much as this memo is concerned primarily with concepts defined

in the framework of Open Systems Interconnection (OSI) as promulgated

by the International Organization for Standardization (ISO), the

terminology used herein is intended to be entirely consistent within

that domain of discourse. This perspective is being taken despite

the expressed intent of implementing the mechanism proposed by this

memo in the Internet and other TCP/IP-based internets. For those

more familiar with the terminology used in this latter domain, the

author is apologetic but unyielding.

Although no substitute for the "correct" definitions given in the

appropriate ISO documents, here is a short summary of the terms used


Application Context:

The collection of application service elements which

cooperatively interact within an application-entity.

Application Service Element:

A standardized mechanism, defined by both a service and a

protocol, which provides a well-defined capability, e.g.,

ROSE - the Remote Operations Service Element,

which orchestrates the invocation of "total"

operations between application-entities [ISO9066/2].

ACSE - the Ass...