question 1) Differentiate between distance vector routing and link state routing. Your answer should describe the...

question 1) Differentiate between distance vector routing and link state routing. Your answer should describe the key features of the two utilising some real time examples and where possible supported by diagrams. [5 Marks]
question 2) Compare and contrast Address Resolution Protocol (ARP) & Network Discovery Protocol (NDP). What is the major difference between ARP and NDP? [5 Marks]
question 3) Explain the purpose of QoS on a TCP/IP network. Define the basic purpose of IP precedence, TOS, Diffserv, and ECN functionality.

Expert Solution

Solution1:- The main difference between distance vector and link state routing is that the knowledge of entire autonomous system is shred by the router in distance vector routing whereas the knowledge of only neighbouring routers is shared by routers in link state.

The comparison chart between distance vector routing and link state routing are-

BASIS FOR COMPARISON	DISTANCE VECTOR ROUTING	LINK STATE ROUTING
Algorithm	Bellman Ford Algorithm	Dijkastra's Algorithm
Network View	Topology information from the neighbour point of view	Complete information on the network topology
Best Path Calculation	Based on the least number of hops	Based on the cost
Updates	Full routing table	Link state updates
Updates Frequency	Periodic updates	Triggered updates
CPU and Memory	Low utilisation	Intensive
Simplicity	High simplicity	Requires a trained network administrator
Convergence Time	Moderate	Fast
Updates	On broadcast	On multicast
Hierarchical Structure	No	Yes
Intermediate Nodes	No	Yes

venereology answered 6 months ago

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