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| n |
An
intermediate node (not the destination) may also send a
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Route
Reply (RREP) provided that it knows a more recent
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path
than the one previously known to sender S
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| n |
To
determine whether the path known to an intermediate
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node
is more recent, destination sequence numbers are
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used
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| n |
The
likelihood that an intermediate node will send a Route
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Reply
when using AODV not very high
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– |
A new
Route Request by node S for a destination is assigned a
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higher
destination sequence number. An intermediate node which
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knows
a route, but with a smaller sequence number, cannot send
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Route
Reply
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