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what is the main features of link state routing protocols?
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Answer Posted / vikramsingh11
Link-state algorithms are also known as Dijkstras algorithm
or as SPF (shortest path first) algorithms.
Link-state routing algorithms maintain a complex database of
topology information.
The distance vector algorithm are also known as Bellman-Ford
algorithms. They have nonspecific information about distant
networks and no knowledge of distant routers.
A link-state routing algorithm maintains full knowledge of
distant routers and how they interconnect. Link-state
routing uses:
Link-state advertisements (LSAs)
A link-state advertisement (LSA) is a small packet of
routing information
that is sent between routers.
Topological database
A topological database is a collection of information
gathered from LSAs.
SPF algorithm
The shortest path first (SPF) algorithm is a calculation
performed on the
database resulting in the SPF tree.
Routing tables – A list of the known paths and interfaces
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