在线翻译

* Each router discovers its neighbors on each interface. The list of neighbors is kept in a neighbor table. * Each router uses a reliable protocol to exchange topology information with its neighbors. * Each router places the learned topology information into its topology database 更多：https://www.bmcx.com/ . * Each router runs the SPF algorithm against its own topology database. * Each router runs the SPF algorithm against its own topology database to calculate the best routes to each subnet in the database. * Each router places the best roué to each subnet into the IP routing table.