Application-Driven Networking: Class of Service in IP, Ethernet and ATM Networks by IBM Redbooks Vervante

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Application-Driven Networking: Class of Service in IP, Ethernet and ATM Networks

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Application-Driven Networking: Class of Service in IP, Ethernet and ATM Networks

This redbook discusses the implementation of Class of Service in three related networking arenas with IBM products. In each section, the terminology is discussed and then practical examples of the implementation of Class of Service using existing IBM products is shown. This book brings together information on these related subjects in a relatively concise form.

A lot of terms and abbreviations are bandied around today without any great understanding of their meaning. For example, VLAN trunking and 802.1Q are stated as being Good Things for future networks, but there does not seem to be a single source of information that explains what these things are and why they are so good. So this book helps to plug this gap, by explaining the terms and concepts to the interested technical reader, and demonstrates how to implement these features on IBM products.

This book will help you understand the relevance of the latest standards and their applicability to a real network; the implementation examples show IBM networking hardware but the standards are applicable to anyone's hardware.

The book includes discussion of the implementation of emerging standards: IP Differentiated Services and Integrated Services, LAN 802.p/Q priority and VLAN tagging mechanisms, and the combination of the two over ATM leading to MPLS.

The book has been updated to include aspects of the latest V3.4 code release for IBM routers, especially covering enhancements for transporting voice traffic over IP networks.

It also became apparent that this book fits into part of the overall scheme of application-driven networking and is being published in conjunction with Application-Driven Networking: Concepts and Architecture for Policy-Based Systems, SG24-5640, which describes the concepts and architecture behind a model which:
. Ensures secure transmission based on application needs
. Prioritizes application traffic based on business need
. Ensures predictable, repeatable application performance
The areas covered in this volume are:
. IP networks, discussing the implementation and use of Differentiated Services and Integrated Services
. Ethernet networks, mechanisms such as 802.1p and 802.1Q, their implementation and their use, and with special interest to their use in gigabit Ethernet networks
. ATM networks, how different types of data traffic can make use of the Quality of Service mechanisms inherent in ATM networks and how imminent developments in the area of tag switching will be of benefit
This book does not cover token-ring networks, other than by reference and by implication. This is because most development and innovation is currently taking place in the Ethernet arena, in some cases to bring Ethernet up to the same capability level that token-ring has had for some time. In addition, it is seen as inevitable that the majority of new networks are being designed around Ethernet standards rather than around token-ring standards. But itÆs interesting to reflect that switched Ethernet with prioritization and large frame sizes is more expensive than token-ring, which has had these features all along.

Price:	$34.00
Pages:	162
Date Published:	December 10, 1999
ISBN:	0738414522
Author:	IBM Redbooks
Product Number:	SG24-5384-00
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