| slovo | definícia |
link state routing protocol
(foldoc) | Link State Routing Protocol
A routing protocol such as
OSPF which permits routers to exchange information with one
another about the reachability of other networks and the cost
or metric to reach the other networks.
The cost/metric is based on number of hops, link speeds,
traffic congestion, and other factors as determined by the
network designer. Link state routers use {Dijkstra's
algorithm} to calculate shortest (lowest cost) paths, and
normally update other routers with whom they are connected
only when their own routing tables change.
Link state routing is an improvement over {distance-vector
routing} protocols such as RIP which normally use only a
single metric (such as hop count) and which exchange all of
their table information with all other routers on a regular
schedule. Link state routing normally requires more
processing but less transmission overhead.
(2000-03-14)
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