


8-channel Iridium System –Network Architecture
Polar
Camp, Greenland/Antarctica
ITTC Network, University
of Kansas
World Wide
Web
User 2
User 3
User 1
ppp0
eth0
PPP Server
ppp0
eth0
PPP Client
P-T-P Satellite link
ITTC Default Router
(Default
gateway)
(Default
gateway)
user 4
user 3
user 2
user 1
Camp WI-FI
100 Mbps Ethernet
100 Mbps Ethernet