Network Working Group D. Nash Request for Comments: 2204 ODETTE Category: Informational September 1997 ODETTE File Transfer Protocol Status of this Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. Abstract This memo describes a file transfer protocol to facilitate electronic data interchange between trading partners. The protocol, denoted the ODETTE File Transfer Protocol, supports both direct communication between installations and indirect communication via a third party clearing centre. It was developed by the Organisation for Data Exchange by Tele Transmission in Europe to facilitate communication within the European motor industry and is presented here to allow for wider use within the Internet community. Table of Contents 1. Introduction 3 1.1 - Background 3 1.2 - Relationship to the original ODETTE Standard 3 1.3 - General Principles 3 1.4 - Structure 4 1.5 - Virtual Files 4 1.6 - Service Description 7 2. Network Service (TCP Transport Service) 7 2.1 - Introduction 7 2.2 - Service Primitives 7 2.3 - Port Assignment 9 3. File Transfer Service 9 3.1 - Model 10 3.2 - Session Setup 11 3.3 - File Transfer 13 3.4 - Session Take Down 16 3.5 - Service State Automata 19 Nash Informational