D-Link DFL-CPG310 Product Manual - Page 167
Using Traffic Shaper, Overview
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Overview Chapter 6 Using Traffic Shaper This chapter describes how to use Traffic Shaper to control the flow of communication to and from your network. This chapter includes the following topics: Overview 151 Setting Up Traffic Shaper 153 Predefined QoS Classes 154 Adding and Editing Classes 155 Deleting Classes 159 Restoring Traffic Shaper Defaults 160 Overview Traffic Shaper is a bandwidth management solution that allows you to set bandwidth policies to control the flow of communication. Traffic Shaper ensures that important traffic takes precedence over less important traffic, so that your business can continue to function with minimum disruption, despite network congestion. Traffic Shaper uses Stateful Inspection technology to access and analyze data derived from all communication layers. This data is used to classify traffic in Quality of Service (QoS) classes. Traffic Shaper divides available bandwidth among the classes according to weight. For example, suppose Web traffic is deemed three times as important as FTP traffic, and these services are assigned weights of 30 and 10 respectively. If the lines are congested, Traffic Shaper will maintain the ratio of bandwidth allocated to Web traffic and FTP traffic at 3:1. If a specific class is not using all of its bandwidth, the leftover bandwidth is divided among the remaining classes, in accordance with their relative weights. In the example above, if only one Web and one FTP connection are active and they are competing, the Web connection will receive 75% (30/40) of the leftover Chapter 6: Using Traffic Shaper 151