September 2017
Beginner to intermediate
436 pages
12h 33m
English
Content preview from Implementing Cisco Networking Solutions
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The integrated services model
The integrated services model, also known as the insert model, was developed as an IETF proposal RFC 1633, to provide quality of services for real-time applications such as remote video, multimedia conferencing, visualization, and virtual reality. The model uses a fine-grained approach to QoS and requires the intermediate routers to maintain a state for the flows that need QoS, and guarantee the bandwidth to these flows.
In this model, the application requests a specific kind of service from the network before sending data. The request is made by explicit signaling; the application informs the network of its traffic profile and requests a particular kind of service that can encompass its bandwidth and delay requirements. ...