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Reliable Data Protocol (RFC0908)

IP.com Disclosure Number: IPCOM000003958D
Original Publication Date: 1984-Jul-01
Included in the Prior Art Database: 2019-Feb-13
Document File: 63 page(s) / 56K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

D. Velten: AUTHOR [+2]

Related Documents

10.17487/RFC0908: DOI

Abstract

The Reliable Data Protocol (RDP) is designed to provide a reliable data transport service for packet-based applications. This RFC specifies a proposed protocol for the ARPA-Internet and DARPA research community, and requests discussion and suggestions for improvemts.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 5% of the total text.

Reliable Data Protocol

RFC-908

David Velten

Robert Hinden

Jack Sax

BBN Communications Corporation

July 1984

Status of This Memo

This RFC specifies a proposed protocol for the ARPA Internet community, and requests discussion and suggestions for improvements. Distribution of this memo is unlimited.

RDP Specification

Table of Contents

1 Introduction.......................................... 1

2 General Description................................... 3 2.1 Motivation.......................................... 3 2.2 Relation to Other Protocols......................... 5

3 Protocol Operation.................................... 7 3.1 Protocol Service Objectives......................... 7 3.2 RDP Connection Management........................... 7 3.2.1 Opening a Connection.............................. 8 3.2.2 Ports............................................. 8 3.2.3 Connection States................................. 8 3.2.4 Connection Record................................ 11 3.2.5 Closing a Connection............................. 13 3.2.6 Detecting an Half-Open Connection................ 14 3.3 Data Communication................................. 14 3.4 Reliable Communication............................. 15 3.4.1 Segment Sequence Numbers......................... 15 3.4.2 Checksums........................................ 16 3.4.3 Positive Acknowledgement of Segments............. 16 3.4.4 Retransmission Timeout........................... 17 3.5 Flow Control and Window Management................. 17 3.6 User Interface..................................... 19 3.7 Event Processing................................... 20 3.7.1 User Request Events.............................. 21 3.7.2 Segment Arrival Events........................... 24 3.7.3 Timeout Events................................... 29

4 RDP Segments and Formats............................. 31 4.1 IP Header Format................................... 31 4.2 RDP Header Format.................................. 32 4.2.1 RDP Header Fields................................ 33 4.3 SYN Segment........................................ 36 4.3.1 SYN Segment Format............................... 36 4.3.2 SYN Segment Fields............................... 37 4.4 ACK Segment........................................ 38 4.4.1 ACK Segment Format............................... 38 4.4.2 ACK Segment Fields............................... 39 4.5 Extended ACK Segment............................... 40 4.5.1 EACK Segment Format.............................. 40 4.5.2 EACK Segment Fields.............................. 40

Page i

RFC-908 July 1984

4.6 RST Segment........................................ 42 4.6.1 RST Segment Format............................... 42 4.7 NUL Segment........................................ 43 4.7.1 NUL segment format............................... 43

5 Examples of Operation................................ 45 5.1 Connection Establishment........................... 45 5.2 Simultaneous Connection Establishment...

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