From the presentation by Martin Prosek, Telefonica, Czech Republic in 3G Optimization Conference 2012, Prague.
Signalling can cause many issues:
In the mobile device, Frequent PDP-context establishment is known to drain the battery. Battery life can be improved by supporting fast dormancy in network.
In the network, Signalling flood can create situations reminding DoS attacks. Increased signalling in RAN can cause impacts in core network:
- Radius/Diameter interface overload of AAA servers
- DHCP IP address pools exhaustion
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