One of the primary reasons for implementing a Quality of Service solution is to manage scarce bandwidth, which must be shared by voice, data, and even video traffic. WAN connections are relatively expensive and the more bandwidth capability they have, the greater the financial cost. For example, a T1 (1.544Mbps) would cost more than a T3 (45Mbps). In such situations, it becomes important to allocate the different types of traffic that will traverse that link a certain percentage or portion of the available total bandwidth. In addition to this, it is also important to ensure that critical and delay . . .
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