question about dual

I have been confused with Jeff Doyle's book 'Routing tcp/ip Volume 1' = for a long time.Anyone who can explain it for me will be appreciated.My = question is on DUAL,p354-p362,Diffusing Computation Example 2.In figure = 8.19,when Wright finds the distance to 10.1.7.0 change,it sends update = to al

question about DUAL

I have been confused with Jeff Doyle's book 'Routing tcp/ip Volume 1' = for a long time.Anyone who can explain it for me will be appreciated.My = question is on DUAL,p354-p362,Diffusing Computation Example 2.In figure = 8.19,when Wright finds the distance to 10.1.7.0 change,it sends update = to al

a question about dual

I have been confused with Jeff Doyle's book 'Routing tcp/ip Volume 1' = for a long time.Anyone who can explain it for me will be appreciated.My = question is on DUAL,p354-p362,Diffusing Computation Example 2.In figure = 8.19,when Wright finds the distance to 10.1.7.0 change,it sends update = to al

question about ospf link state database synchronization process

I am confused with following: In ospf link state database synchronization process,When the master = sends last DD packet,the slave sends an acknowledging DD packet that = also has its M-bit set to zero.But if the slave has largger link state = database than master,slave's rest database will be ign