
Routing and Routing Protocols
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Note that Y now knows it can reach W via two different links, with Link 2
providing the most direct method because it is only one hop away.
While node Y updates its routing table, it is safe to assume that because
at least 30 seconds have transpired, node W’s distance vector information
reached node Z. Thus, node Z would have updated its routing table as
follows:
Because the discussion of the update of node Y followed the update of
node X, at least 60 seconds transpired, which enables each node to transmit
two routing table updates. Thus, node Y would also receive node Z’s next
routing table update that would be transmitted ...