Quality of Service

QoS is a method of measuring and maintaining a level of service needed to support technologies such as voice and video. This is an important concept because technologies such as voice and video are sensitive to bandwidth congestion and errors. For example, voice data arriving in the wrong order would make conversations very difficult.

An excellent resource for more reading on QoS can be found at http://www.cisco.com/cpress/ cc/td/cpress/fund/ith2nd/it2446.htm.

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