•error-prone,
variable bandwidth links
(4.8 kbps to 512 kbps)
•Topology
centred around a land based
NOC where high-level management decisions are made (hierarchical
authority)
•the
communications network is multi-hop (not just long pipes)
•Routing is
based on OSPF
•moderate
mobility speed (dynamic topology)
•a wide variety of applications (most of traffic is web-based)