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Title : Quality of Service for Ad hoc Optimized Link State Routing Protocol (QOLSR)
Author(s) : H. Badis, et al.
Filename : draft-badis-manet-qolsr-04.txt
Pages : 37
Date : 2006-10-5
The Optimized Link State Routing (OLSR) protocol for mobile ad hoc
networks provides shortest routes in terms of number of hops using
Dijkstra's shortest path algorithm. In order to support multiple-
metric routing criteria, a quality of service (QoS) extension can
be added to OLSR functioning. No additional control traffic is
generated (only augmented HELLO and TC messages). QOLSR protocol
uses standard multipoint relays (MPRs) to ensure that the overhead
is as low as possible for forwarding control traffic. Local QoS
metrics information on links are used to calculate quality of service
MPRs (QMPRS) and then flooded in the network by TC messages to
calculate routing tables. QOLSR can find optimal paths on the known
partial topology having the same performances that those
on the whole network. These paths contain only QMPRs as intermediate
nodes between a source destination pair.
This memo describes the QOLSR protocol, which is an enhancement of
OLSR to support multiple-metric QoS routing.
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