dna-2----Page:15
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
|
DNAv6 Problems No means to represent a link In RA message, neither router address nor prefixes can do it. Link-layer hint can’t detect Link change by itself. The ambiguity of RA information Link local scope of router address Prefix omission The delay to check the reachability of current AR It’s difficult to detect something is NOT there. Roughly 3 secs for NUD Random Delay in RS/ RA exchange No agreed way to do DNAv6 |