Chapter 9. Quality of Service
To increase communications efficiency, both businesses and service providers are looking to IP-based networks to transport voice, video, and data services. Voice and video have special networking requirements, which IP networks must be able to provide. This means IP networking devices, such as local-area network (LAN) switches and routers require enhanced intelligence, with the ability to differentiate between various traffic types, identify applications such as voice or video, and provide the appropriate network resources as required.
A common question that is asked about quality of service (QoS) on the LAN is a simple one—why? It is a simple yet valid question. Modern switched networks are high-speed networks that ...
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