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Stream control transmission protocol (SCTP) : a reference guide (Book/CD) A Reference Guide: A Reference Guide

Langue : Anglais

Auteurs :

Couverture de l’ouvrage Stream control transmission protocol (SCTP) : a reference guide (Book/CD)

The authoritative guide to SCTP -- by the creators of this breakthrough IP transport protocol!

  • SCTP New! Better than TCP for carrying voice across the Internet!
  • In-depth coverage: goals, design, features, and applications -- including voice and general purpose applications.
  • CD-ROM contains 2 complete reference implementations, including an actual kernel implementation for Linux.
SCTP is rapidly being accepted as the ideal solution for carrying voice across the Internet -- and a powerful improvement on TCP for a wide range of general purpose applications. In this authoritative reference and implementers guide, the protocols creators take you inside SCTP, present its goals and key aspects of its design, and introduce todays best techniques for leveraging it in diverse IP-based applications. Randall Stewart and Qiaobing Yie demonstrate how SCTP enhances TCP, how it addresses serious security and reliability weaknesses in the existing Internet transport architecture, and how it has evolved through the IETF standards process. Next, they show how to take full advantage of SCTPs power to make IP-based communications more reliable and robust -- and to meet the challenges of tomorrows most business-critical Internet applications. The accompanying CD-ROM contains two complete reference implementations: a generic daemon process that can support non-SCTP kernels, and an actual kernel implementation for Linux. For all network and telecommunication programmers, system designers, and architects.

Randall R. Stewart and Qiaobing Xie are the designers of the SCTP protocol. Stewart invented it at Motorola, where he serves as Principal Staff Engineer. Xie, of Cisco Systems, worked to perfect it and submit it to the IETF, the leading Internet technical standards body. Stewart and Xie have been the editors and principal authors of the SCTP protocol drafts, and created its reference implementations.

Preface.
1. Introduction and Overview.
IP Networking Basics.
How Messages are Delivered in an IP Network.
IP Protocols.
IP Multi-homing.

What Is SCTP?
Where Does SCTP Fit in the IP Architecture?

Motivation for Developing SCTP.
TCP Limitations.
UDP Limitations.
SCTP Enhancements Over TCP and UDP.

A Short History of SCTP Development.
Early Works Before IETF and MDTP.
IETF Refinements.

Major General SCTP Issues Debated in IETF.
Do We Really Need a New Transport Protocol?
Over UDP vs. Over IP.

Organization of This Book.
Summary.
Questions.

2. SCTP Endpoint and Association.
SCTP Transport Address.
SCTP Endpoint.
Multi-homed SCTP Endpoint.

SCTP Association.
Operation of an SCTP Association.
Functional View of an Association.
Functional Responsibilities of an SCTP Endpoint.
Operation States of an Association.

IETF Debate And Issues.
Summary.
Questions.

3. Format of SCTP Messages.
Basic Layout the Bits on the Wire.
The SCTP Common Header.
Elements in a Chunk.
Defined Chunk Types and Extensibility.
General Rules When Dealing with Chunks.
Chunk Parameters.
Other Considerations.

Basic Chunk Descriptions.
The INIT Chunk.
The INIT-ACK Chunk.
The COOKIE-ECHO Chunk.
The COOKIE-ACK Chunk.
The DATA Chunk.
The SACK Chunk.
The HEARTBEAT Chunk 98.
The HEARTBEAT-ACK Chunk.
The SHUTDOWN chunk.
The SHUTDOWN-ACK Chunk.
The SHUTDOWN-COMPLETE Chunk.
The ERROR Chunk.
The Error Cause Parameters.
The ABORT Chunk.

IETF Debate And Issue.
Summary.
Questions.

4. Setup of an Association.
The INIT Chunk.
Formulating the Chunk.
INIT Parameters.
Timer and Retransmission For INIT.

The INIT-ACK Response.
Formulating the Response.
INIT-ACK Parameters.
Preventing Resource Attacks.

The COOKIE-ECHO Chunk.
Formulating the Chunk.
Bundling Data with the COOKIE-ECHO.
Timer and Retransmission For COOKIE-ECHO.

The COOKIE-ACK Chunk.
Validating and Unpacking the Cookie.
Formulating The COOKIE-ACK.
Bundling DATA and SACK with COOKIE-ACK.

Address Usage When Starting An Association.
Chunk Rejections During an Association Setup.
When an INIT Is Unacceptable?
When is a Cookie Not Worth Eating?

Handle Unexpected Initialization Chunks.
Association Tie-Tags and their values.
Handle Overlapping Initialization Chunks.
Case Study #1: Initialization Collision.
Case Study #2: Peer Restart.
A lost COOKIE-ACK.

IETF Debate and Issues.
Summary.
Questions.

5. User Data Transfer.
User Message Transfer Overview.
How User Messages Are Sent.
How User Messages Are Received.
Summary on Data Transfer Overview.

Obey The Transmission Rules.
Congestion Window And Receiver Window.
Rules for Data Transmission.

Acknowledgment Rules.
Where to Send a SACK?
When to Send a SACK?
What to Report in a SACK?
Revoke an Acknowledgment by Receiver.
Process Received SACK by Data Sender.

Management of Retransmission Timer.
Determine Retransmission Time-out (RTO).
Retransmission Timer Rules.
Handle Retransmission Timer Expiration.

Multi-homed Data Sender and Receiver.
Selection of Primary Transport Address.
Transfer Data Between Multi-homed Endpoints.
Sending SACK on Duplicate Data.

Stream Identifier and Stream Sequence Number.
Ordered and Un-or

Randall R. Stewart, with Qiaobing Xie, is the designer of the SCTP protocol. Mr. Stewart originally invented the protocol while at Motorola. Subsequently, Mr. Stewart and Dr. Xie worked together to perfect it and submit it to the Internet Engineering Task Force (IETF), the leading Internet technical standards body. Both men are the principal authors and editors of the protocol drafts. They also developed the reference implementation. Mr. Stewart is a Senior Engineer at Cisco Systems.

Qiaobing Xie, with Randall R. Stewart, is designer of the SCTP protocol. Mr. Stewart originally invented the protocol while at Motorola. Subsequently, Dr. Xie and Mr. Stewart worked together to perfect the protocol and submit it to the Internet Engineering Task Force (IETF), the leading Internet technical standards body. Both men are the principal authors and editors of the protocol drafts. They also developed the reference implementation. Dr. Xie is a Principal Staff Engineer at Motorola.



0201721864AB09072001

The authoritative guide to SCTP -- by the creators of this breakthrough IP transport protocol!

  • SCTP—New! Better than TCP for carrying voice across the Internet!
  • In-depth coverage: goals, design, features, and applications -- including voice and general purpose applications.

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18.7x24 cm

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