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Traffic classification : ウィキペディア英語版 | Traffic classification Traffic classification is an automated process which categorises computer network traffic according to various parameters (for example, based on port number or protocol) into a number of ''traffic classes''.〔(IETF RFC 2475 ) "An Architecture for Differentiated Services" section 2.3.1 - IETF definition of classifier. 〕 Each resulting traffic class can be treated differently in order to differentiate the service implied for the user (data generator/ consumer). ==Typical uses== Packets are classified to be differently processed by the network scheduler. Upon classifying a traffic flow using a particular protocol, a predetermined policy can be applied to it and other flows to either guarantee a certain quality (as with VoIP or media streaming service〔(SIN 450 Issue 1.2 May 2007 ) Suppliers' Information Note For The BT Network BT Wholesale - BT IPstream Advanced Services - End User Speed Control and Downstream Quality of Service - Service Description〕) or to provide best-effort delivery. This may be applied at the ingress point (the point at which traffic enters the network) with a granularity that allows traffic management mechanisms to separate traffic into individual flows and queue, police and shape them differently.〔Ferguson P., Huston G., Quality of Service: Delivering QoS on the Internet and in Corporate Networks, John Wiley & Sons, Inc., 1998. ISBN 0-471-24358-2.〕
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