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OSPF: A Network Routing Protocol by Phani Raj Tadimety

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CHAPTER 17

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The Enterprise Network–Neighborhood Activity

“You are not playing the game” he said grimly. “English Gossip isn’t supposed to get back to the person it’s about.”

Elaine Dundy, The Old Man and Me

This chapter offers a quick overview of the processes implemented for the exchange of Link State Advertisements (LSA) for achieving synchronization of all LSA databases in the routers in the network domain.

The LSAs are exchanged between routers while encapsulated inside various kinds of OSPF messages (see later discussion of packets). Neighboring routers exchange the LSAs via two processes: database synchronization and flooding. The objective ...

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