Part A(2x3=6)
1) what is meant back pressure in by congestion control ?Compare it with choke packet.
2)While providing QoS, at which stage will starvation occur?
3)Discuss about the need of soft state in Integrated services and list out the drawbacks of Integrated services.
Part B(2x10=20)
1)Discuss in detail about various models to provide Quality of Service in the internet.
2)What is the need of MPLS network? Explain in detail about its principle and mechanism.
(Or)
Explain the polices available for improving the quality of service in BE and GS models.
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