Technicolor - Thomson 620, 605, 608 WL manual IP QoS, Chapter

Chapter 5

Expert Configuration

5.3.7 IP QoS

Definition Quality of Service is the ability for an application to obtain the network service it requires for successful operation. Nowadays the total amount of data traffic increases, while new types of data emerge, like: voice data, video data, audio data.

These new types of data pose new requirements for data transport, e.g. low latency, low data loss… To meet these requirements, the entire network must ensure them via a connection service guarantee. Such a connection service guarantee can both be applied to connection oriented networks (connection based) and to packet-oriented networks (data-stream or data type based).

Quality of Service allows specifying a connection service guarantee via a set of connection parameters. Throughout the network, this set of connection parameters will be used to handle the connection data in a way to achieve the connection service guarantee. This handling includes reserving bandwidth, priority based queuing, scheduling, modifying data characteristics, …

Examples of connection parameters include the maximum amount of bandwidth that may be used, the guaranteed amount of bandwidth that will always be available, the maximum delay the data can experience throughout the network, a priority indication,…

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