Vigor3900 Series User’s Guide
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Below shows the menu items for Bandwidth Management.
The QoS (Quality of Service) guaranteed technology in the Vigor router allows the network
administrator to monitor, analyze, and allocate bandwidth for various types of network
traffic in real-time and/or for business-critical traffic. Thus, timing-sensitive applications will
not be impacted by web surfing traffic or other non-critical applications, such as file transfer.
Without QoS-guaranteed control, there would be virtually no way to prioritize users/services
or guarantee allocation of finite bandwidth resources to network or servers for supporting
timing-sensitive and mission-critical network applications, such as VoIP (Voice over IP) and
online gaming applications.
Differentiated quality of service is therefore one of the most important issues over the
Internet infrastructure. In Vigor router, DSCP (Differentiated Service Code Point) support is
also taken into consideration in the design of the QoS-guaranteed control module.
The QoS function handles incoming and outgoing classes independently. Users can
configure incoming or outgoing separately without any impact on the other.
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