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Ad Hoc Mobile Wireless Networks, 2nd Edition
book

Ad Hoc Mobile Wireless Networks, 2nd Edition

by Subir Kumar Sarkar, T.G. Basavaraju, C. Puttamadappa
April 2016
Intermediate to advanced content levelIntermediate to advanced
349 pages
8h 42m
English
CRC Press
Content preview from Ad Hoc Mobile Wireless Networks, 2nd Edition
134
Ad HoC Mobile Wireless netWorks
hops from S to I1 is 1. Considering all these, the shortest path
from R3 to the source S would be the path that goes through the
intermediate tree node I1. Hence, R3 decides to join the multicast
tree through I1 and sends a multicast activation (MACT) message
to I1. e intermediate nodes I5 and I8 that forwarded all of the
three control packets (RREQ, RREP, and MACT) now become
part of the multicast tree.
Tree maintenance phase. e tree is maintained by the expand-
ing ring search (ERS) approach, using the RREQ, RREP, and
MACT messages. e downstream node of a broken link is respon-
sible for initiating ERS to issue a fresh RREQ for the group. is
RREQ contains the hop count of the requesting node from the
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Publisher Resources

ISBN: 9781466514478