10 Questions
What are the desirable properties in a routing algorithm mentioned in the text?
Correctness, simplicity, robustness, stability
In computer networks, what distinguishes an adaptive routing algorithm from a non-adaptive routing algorithm?
Adaptive algorithms base routing decisions on topology and traffic.
What are the main parameters considered in an adaptive routing algorithm according to the text?
Hop count, distance, estimated transit time
What is the main purpose of a routing algorithm at a router?
To decide which input line an incoming packet should go to
What does the optimality principle state about finding better routes between routers?
The optimal path from one router to another remains optimal when finding better routes
What is the basic concept behind the Shortest Path Routing algorithm mentioned in the text?
Finding the shortest path between nodes based on various metrics
What is the purpose of the virtual layer IPSec in a connectionless network?
Change the connectionless service to a connection-oriented service
In a subnet using datagrams internally, why must routing decisions be made anew for every arriving data packet?
The best route may have changed since the last packet
What distinguishes session routing in virtual circuit-based subnets?
Routing decisions are made only when setting up a new virtual circuit
What process occurs inside a router when handling each arriving packet in a network?
Looking up the outgoing line in routing tables for packet forwarding
Test your knowledge on the properties desirable in a routing algorithm, including correctness, simplicity, robustness, stability, fairness, and optimality. Explore how routing algorithms cope with changes in topology and traffic without network disruptions.
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