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QOS-Enabled Networks
By: Miguel Barreiros , Peter LundqvisteBook Publisher: John Wiley & Sons
Imprint: Wiley
Format: ePub Encrypted (DRM)
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With a foreword by Kannan Kothandaraman
"This is the first book about QOS that I actually enjoyed reading precisely because the authors focused on real-life QoS and not in academic discussions about it."
Per Nihlen, IP Network Manager, NORDUnet
The new authoritative, practical guide to delivering QOS guarantees
This new benchmark in quality of service (QOS) study is written by two experts in the field who deal with QOS predicaments every day. The authors not only provide a lucid understanding of modern theory of QOS mechanisms in packet networks but how to apply them in practice. In addition, they detail the QOS management features found in modern routers used by Internet Service Providers (ISPs) and large enterprise companies and networks, all in an effort to enable network managers and engineers to configure production networks with a quality of service guarantee. The book's focus on addressing network behavior ("real effects") in relation to the configuration of network elements (routers and switches), is both refreshing and insightful.
QOS-Enabled Networks contains up-to-date coverage of: QOS mechanisms in packet networks and how to apply them in practice QOS management features now common in modern-day routers How network behavior is related to configuration of network elements Layer 2 VPN and QOS QOS in mobile LTE networks
QOS-Enabled Networks is an invaluable guide for networking engineers needing to provide QOS services for service providers, ISPs and large enterprises, as well as for network design and operations engineers.
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| Title of Computers eBook: QOS-Enabled Networks | |
| Release Date: 11-09-2010 | |
| Publisher: Wiley |
This eBook download is available in the following formats:
| Parent title | QOS-Enabled Networks |
|---|---|
| Encrypted (DRM) | Yes |
| SKU | 9780470976807 |
| File size | 5822 |
| Security | n/a |
| Printing | Not allowed |
| Copying | Not allowed |
| Read aloud | No Sys requirements Download reader |
| Devices | Samsung Tablet, Apple Ipad & Iphone, Barnes & Noble Nook, Kobo eReader, Aluratek Libre, Iliad, Nokia, Blackberry, Hanlin |
| Note | Excellent navigation features are available via Adobe such as bookmarks and a quick access table of contents. Text search is easily accessible. An Adobe DRM-protected file is different than a pdf file in that it uses Adobe DRM (Digital Rights Management) technology, which authors and publishers use to protect their content from illegal online distribution and to set certain privileges such as restrictions on copying and printing. |
QOS-Enabled Networks
Chapter One
The QOS World
Quality of Service (QoS) has always been in a world of its own, but as the technology has been refined and has evolved in recent years, QOS usage has increased to the point where it is now considered a necessary part of network design and operation. As with most technologies, large-scale deployments have led to the technology becoming more mature, and QOS is no exception.
The current trend in the networking world is convergence, abandoning the concept of several separate physical networks in which each one carries specific types of traffic, moving towards a single, common physical network infrastructure. The major business driver associated with this trend is cost reduction: one network carrying traffic and delivering services that previously demanded several separate physical networks requires fewer resources to achieve the same goal.
One of the most striking examples is voice traffic, which was previously supported on circuit-switched networks and is now starting to be delivered on the "same common" packet-switched infrastructure.
The inherent drawback in having a common network is that the road is now the same for different traffic types, which poses the challenge of how to achieve a peaceful coexistence among them since they are all competing for the same network resources.
Allowing fair and even competition by having no traffic differentiation does not work because different types of traffic have different requirements, just like an ambulance and a truck on the same road have different needs. The first attempt to solve this problem was to make the road wider, that is, to deploy net
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