LTE Signaling, Diameter LTE, LTE Roaming, IMS and LTE

A Storm is Brewing – an LTE Signaling Storm

We have all heard about the “LTE signaling storm” and how Diameter signaling traffic can potentially choke the network. The always-on, data-centric nature of devices in the 4G network results in an explosion in the volume of data in the user plane as well as an explosion in the volume of the messages in the control plane. The network architecture of the mobile core has evolved to be more complex with many more elements and interfaces added in each release and the signaling method has evolved from SS7 to Diameter. The user device has evolved with more intelligence and applications resulting in many new events requiring interaction with the mobile core and, of course, the number of devices is growing rapidly.

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