18 Questions
What is the main difference between least-cost path and non-least-cost path routing algorithms?
The cost of the path
What is a characteristic of distributed routing algorithms?
All nodes contribute to the routing decision
What is a disadvantage of static routing?
It requires a small network size
What is a characteristic of centralized routing?
Only one node makes the routing decision
What happens if the central node fails in centralized routing?
The routing function in the network may be interrupted
What is a special case of centralized routing?
Source routing
What is the primary responsibility of routers in network-layer routing?
Implementing routing algorithms
Which characteristic of routing algorithms refers to the ability to select the best route?
Optimality
What is the main classification of routing algorithms based on the path they choose?
Least-cost-path and non-least-cost-path algorithms
Why is simplicity an important characteristic of routing algorithms?
Because routers with limited physical resources are involved
What is the primary goal of routing algorithms in the face of unforeseen circumstances?
To perform correctly and converge rapidly
What is the benefit of a routing algorithm that adapts to load increases or decreases?
It enables load balancing in the network
What is the primary method of learning the state of the network in dynamic routing?
By communication with neighboring nodes
What is the primary factor in determining the link cost in least-cost algorithms?
Current traffic load on the link
What is the main objective of Dijkstra's algorithm?
To find the least-cost path from a source node to all other nodes
In Dijkstra's algorithm, what is the purpose of the βij variable?
To store the cost of the least-cost path from node i to node j
What is the characteristic of Dijkstra's algorithm that makes it a centralized routing algorithm?
It maintains information in a central location
What is the primary difference between Dijkstra's algorithm and the Bellman-Ford algorithm?
The specific approach to finding the least-cost path
Learn about the different types of routing algorithms, including least-cost path and non-least-cost path, as well as distributed and centralized routing algorithms.
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