Is it necessary that every autonomous system use the same Intra-AS routing algorithm? Why or why not? Name two intra-AS routing algorithms.
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No, it is not necessary for every autonomous system (AS) to use the same Intra-AS routing algorithm. In fact, different ASs may use different routing algorithms based on their specific requirements, network topology, and organizational preferences.
Two popular Intra-AS routing algorithms are:
1. Routing Information Protocol (RIP): RIP is a distance-vector routing protocol that uses the Bellman-Ford algorithm to calculate the best path for data packets. It is a simple and widely used algorithm that relies on hop count as a metric for path selection. RIP has a maximum hop count limit of 15, making it suitable for smaller network deployments.
2. Open Shortest Path First (OSPF): OSPF is a link-state routing protocol that uses the Shortest Path First (SPF) algorithm. It calculates the shortest path based on the cost assigned to each link and creates a topological database of the network. OSPF is scalable and adaptable to large networks and supports advanced features like route summarization and load balancing.
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