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What is Differentiated Services (DiffServ)

Chapter 173
Encyclopedia of Networked and Virtual Organizations
A scalable IP QoS architecture, which assumes marking and grouping of incoming packets with similar QoS requirements to the same traffic aggregate (class), which is then processed in the same manner at the network nodes.
Published in Chapter:
QoS Provisioning Framework in IP-Based VPN
Mirjana D. Stojanovic (University of Belgrade, Serbia) and Vladanka S. Acimovic-Raspopovic (University of Belgrade, Serbia)
Copyright: © 2008 |Pages: 8
DOI: 10.4018/978-1-59904-885-7.ch173
Abstract
A virtual private network (VPN) can be broadly defined as a “restricted communication between a set of sites, making use of a backbone that is shared with other traffic not belonging to that communication” (Carugi & De Clercq, 2004, p.116). Since the late nineties, with pervasive deployment of the Internet protocol (IP) technology in corporate networks, IP-based VPNs, in several forms and based on different network technologies, have become a promising solution for a wide range of corporate network services.
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Chapter 164
Pricing Quality of Service in Diffserv IP Networks
A scalable IP QoS architecture, which assumes marking and grouping of packets with similar QoS requirements to the same traffic aggregate (class), which is then processed in the same manner at the network nodes. Complex processing of individual traffic flows is performed at the edge routers, while simple and fast forwarding operations are performed at the core routers over aggregate flows.
Published in Chapter: Pricing Quality of Service in Diffserv IP Networks; From: Encyclopedia of Networked and Virtual Organizations
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Chapter 32
Scalable Internet Architecture Supporting Quality of Service (QoS)
Diffserv supports QoS guarantee by aggregating traffic flows on a per class basis.
Published in Chapter: Scalable Internet Architecture Supporting Quality of Service (QoS); From: Handbook of Research on Scalable Computing Technologies
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Chapter 88
Implementation of Quality of Service in VoIP
An architecture for QoS implementation. DiffServ classifies the user traffic into different classes with different priorities.
Published in Chapter: Implementation of Quality of Service in VoIP; From: Encyclopedia of Multimedia Technology and Networking, Second Edition
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Chapter 60
Quality of Service Architectures
An architecture that has been defined by IETF in order to provide quality of service in IP networks, which works based on aggregates of flows, by classifying traffic into different types of service, allowing the core routers of the network to deal with only a limited number of aggregated flows.
Published in Chapter: Quality of Service Architectures; From: Encyclopedia of Internet Technologies and Applications
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Chapter 22
The Differentiated Services Architecture
An IETF proposal to provide a framework that enables deployment of scalable service distinction in IP networks.
Published in Chapter: The Differentiated Services Architecture; From: Encyclopedia of Internet Technologies and Applications
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Chapter 91
Traffic Control
An IETF framework supporting QoS classes by means of Diffserv code point marking, per hop behaviors (PHBs), and stateless core routers.
Published in Chapter: Traffic Control; From: Encyclopedia of Internet Technologies and Applications
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