
Mobile Ad Hoc Network ◾ 13
network, but they are appropriate for highly dynamic network topology. e scalability decreases
when the number of nodes increases significantly.
1.8.2.2 Hierarchical Ad Hoc Networks
Hierarchical ad hoc networks consist of several clusters, each one represents a network and all are
linked together, as indicated in Figure 1.10. e nodes in hierarchical ad hoc networks can be
categorized into two types:
◾ Master nodes: Administer the cluster and are responsible for passing the data on to the other
cluster.
◾ Normal nodes: Communicate within the cluster directly together and with nodes in other
clusters with the help of ...