O'Reilly logo

Cisco ASA: All-in-One Firewall, IPS, and VPN Adaptive Security Appliance by Omar Santos, Jazib Frahim - CCIE No. 5459

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 12. Quality of Service

In a standard IP network, all packets are processed identically based on best effort. The network devices usually ignore the importance or criticality of the data that is passing through the network. This creates problems in deployments where time-sensitive traffic, such as voice and video packets, is delayed or dropped because the network devices do not prioritize it over other traffic. The feature of prioritizing some traffic over other traffic is known as quality of service (QoS).

QoS is useful in the following network deployments:

  • You run voice, video, and data traffic ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required