Orhan Ergun 10 Comments

Do You Really Need Quality of Service?

Quality of service (QoS) is the overall performance of a telephony or computer network, particularly the performance seen by the users of the network.

Above is the Quality of Service definition from the Wikipedia. Performance metrics can be bandwidth, delay, jitter, pocket loss and so on.

Two Quality Of Service approaches have been defined by the standard organisations. Namely Intserv (Integrated Services) and Diffserv (Differentiated Services).

In this post I will not explain each method or special tools used in each method. Instead, which method makes sense in particular design and which Quality of Service Tools can solve user needs without compromising the network design goals.

Read more