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What is the limitation of exterior gateway protocols?

What is Open Shortest Path First (OSPF) protocol? How do routers use OSPF v2
message to broadcast information about the status of its directly connected links
to all other routers?

How does a hardware classifier achieve high speed?

What is slow convergence problem in router using distance-vector protocol?
Explain the technique that is used to solve the slow convergence problem in
routers.

Why multicasting is not widely used in the global internet? Explain Truncated
Reverse Path Forwarding (TRPF) scheme in multicasting.

PART C
Answer any two full questions, each carries 20 marks.
How can mobile IP allow a host to retain its address without requiring routers to

itlearn host-specific routes?

What is traffic policing? Explain leaky bucket traffic shaping mechanism.

What is Software Defined Networking (SDN)? How does SDN architecture
separate control software from the underlying network devices?

How and when is the Network Address Translation (NAT) table initialized?
Explain how IPv6 Neighbour Discovery Protocol handles neighbour
reachability?

Explain how Software Defined Networking technology can be used to configure
and control all the devices in campus intranet?

What are the basic actions of OpenFlow switch while forwarding a packet?
What is spatial locality of reference in mobile IPv4 mobile host?

How can an organization that uses the global Internet to connect its sites
guarantee that all communication is kept private?

How do group tables in OpenFlow support forwarding mechanism of packets?
Explain the design of fast-failover group to detect and overcome port failures?

Describe the uses of OpenFlow?

aK

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