Law Enforcement agencies must take into account the full spectrum of communication “applications” including voice, VoIP, E-mail, and the ever-increasing number of social networking, peer-to-peer (P2P), and even gaming applications that can be used to transmit information between parties. Detecting, analyzing, and intercepting content from these different media presents a very large challenge – but DPI is up to the task.

In addition to the plethora of new communication mechanisms, the widespread availability and adoption of mobile broadband makes the task of tracing lawful intercepts back to individual subscribers even more complex. This problem will also get more difficult when one considers that mobile networks are looking to offload traffic from their core network as close to the edge as possible (e.g., at a Femto Gateway or at a Serving Gateway in LTE).

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