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Redes de Computadoras

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<strong>Re<strong>de</strong>s</strong> <strong>de</strong> <strong>Computadoras</strong>, 2007/08<br />

El cálculo <strong>de</strong> los caminos mínimos se produce cada vez que un router<br />

<strong>de</strong>tecta un cambio en el coste <strong>de</strong> uno <strong>de</strong> sus enlaces o en su <strong>de</strong>fecto,<br />

cada 30 minutos. En cualquier caso, los routers envian a todos los<br />

<strong>de</strong>más routers <strong>de</strong>l AS (broadcasting) los costes <strong>de</strong> los enlaces con<br />

dichos routers.<br />

Se utiliza directamente el IP, puerto 89 [14].<br />

Soporta multicasting (RFC 1584).<br />

20.6 El protocolo OSPF (Open Shortest Path First) 394

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