Hi Brett
Thanks for your kind comment.
As you may know, random delay of RS is 'to alleviate congestion'
as the following states:
" This serves to alleviate congestion when
many hosts start up on a link at the same time, such as might happen
after recovery from a power failure."
Therefore, we should examine if there will be congestion in case
"mobile nodes send RS without delay when they detect link changes".
Two cases come in to my attention.
1) As Alper pointed, sometimes handovers can be synchronized (to
some extent) among a set of mobile nodes. In that case, there would
be congestion.
2) Sometimes (abnormal) link change occurs without movement. For
example, if AP (not AR) recovers from power failure or admin changes
AP for new one, mobile nodes will detect link change and send RSs
simultaneously. To prevent this, mobile nodes should be able to
distinguish normal link change (caused by movement) from abnormal
link change (caused by power failure or AP exchange).
With the above reasons, I think there will be congestion without random delay.
Do you think it's negligible?
Regards,
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