Diffserv and Intserv Mechanisms in Multimedia Networking
Learn about Diffserv and Intserv mechanisms for managing traffic in multimedia networking. Explore the concepts of service differentiation, resource reservation, and call setup protocols in ISP verification tests.
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Presentation Transcript
? Intelligent Signal Processing Test Angelo Ciaramella
Question 30 Multimedia Networking Question Describe the Diffserv and Intserv mechanisms ISP Verification tests
Diffserv Diffserv provides service differentiation the ability to handle different classes of traffic in different ways within the Internet in a scalable manner Edge functions packet classification and traffic conditioning ISP Verification tests Core function forwarding
Diffserv ISP Verification tests A simple Diffserv network example
Diffserv ISP Verification tests A simple Diffserv network example
Diffserv marking r scheduling ... b ISP Verification tests Diffserv network example
Intserv to be guaranteed a given QoS Resource reservation resources are reserved Call admission network must have a mechanism for calls to request and reserve resources ISP Verification tests Call setup signaling protocol is needed to coordinate these various activities (call setup protocol) ReSerVation Protocol (RSVP)
Intserv ISP Verification tests The call setup process
Intserv Resources reservation Call Setting Message (RSVP) Traffic Characterization and Specification of QoSAdmission of single call request/ response ISP Verification tests QoS (es., WFQ)
References Material Slides Video Lessons Books Computer Networking: A Top-Down Approach, J. F. Kurose, K. W. Ross, Pearson, 6 edition, 2013 ISP Verification tests
