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Computer networks are constantly in a state of flux. Their links
can be perfectly fine one moment, and the next moment
congested and dropping packets. For this reason QoS (Quality
of Service) as a set of features is mandatory so that you can
manage these times of congestion. This course is an
introductory course into the world of QoS. In this course, you’ll
learn about what makes buffers different than queues and how
QoS gives you control over queues. You’ll be exposed to the
concept of QoS classification and how this can be done at
either Layer-2 or Layer-3 of the OSI model. And you’ll learn
about many other QoS concepts such as Policing, Shaping,
Scheduling and Queuing.
