April 2014
Intermediate to advanced
538 pages
17h 31m
English
Content preview from Security for Multihop Wireless Networks
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Security and Privacy for Routing Protocols ◾ 29
and number of messages exchanged: only particular nodes, the MPR broadcast
control messages to the entire network.
All nodes periodically send HELLO messages to their neighbors (HELLO_
INTERVAL timer) on each node. OLSR uses a single message format, transported
by user datagram protocol (UDP). e header specifies whether the message should
be sent only in the immediate vicinity or to the entire network. Each node stores
the description of its neighborhood: two-hop neighbors interface, MPR and MS.
is description is updated each receiving a HELLO message, and old information
is erased.
OLSR routing is based on the routing of messages by the nodes that have a
symmetric neighborhood. A link can pa ...
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