OSPF
An interior gateway
routing protocol for TCP/IP networks, Open Shortest Path First uses a link state routing
algorithm that calculates routes for packets based on a number of factors, including least
hops, speed of transmission lines, and congestion delays. You can also configure certain
cost metrics for the algorithm. This protocol is more efficient and scalable than
vector-distance routing protocols. OSPF features include least-cost routing,
ECMP (Equal Cost Multi Paths) routing, and load balancing. Although OSPF requires
CPU power and memory space, it results in smaller, less frequent router table updates
throughout the network. This protocol is more efficient and scalable than vector-distance
routing protocols.
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