Predictive Wireless Routing Protocol
Predictive Wireless Routing Protocol
Predictive Wireless Routing Protocol
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Metro-Scale Roaming<br />
Cluster C<br />
Gateway C<br />
Canopy<br />
Backhaul<br />
© 2005 Tropos Networks, Inc.<br />
Page 19<br />
Gateway B<br />
192.168.2.0/24<br />
Internet<br />
192.168.1.110<br />
Cluster B<br />
192.168.1.0/24<br />
Cluster A<br />
Gateway A<br />
Client Roams to Cluster C<br />
• IP address of client remains<br />
constant, even though its<br />
subnet changes<br />
• Client is registered in Gateway<br />
C’s roaming database<br />
• Looks up home gateway (B)<br />
from Gateway List<br />
• Gateway C opens IP tunnel to<br />
Gateway B<br />
• Client traffic forwarded<br />
through tunnel<br />
• TCP sessions transparently<br />
preserved<br />
IP Tunnel Traffic<br />
TCP Session
Change language