What is meant by QoS?
This term applies to a system used to provide different prioritization levels for different types of traffic over a network. Protocols used to achieve the required quality of service, including the RSVP, VLAN Priority, IP DiffServ. For example, VoIP or streaming Video should have a higher priority than Mail traffic, as the consequences of interrupting Voice traffic or streaming Video are more obvious than slowing down Mail traffic.
