Lawful Interception (LI) refers to the legal, authorized collection of communications network data, enabling Law Enforcement Agencies to conduct surveillance of IP based network traffic. Deep Packet Inspection (DPI) technology is an integral part of this process, allowing LI solutions to identify traffic of interest for further analysis and investigation.

Lawful Interception Diagram

Vineyard’s Next Generation DPI engine - Network Application Visibility Library (NAVL) - provides LI solutions vendors with industry leading, high performance technology that identifies traffic types by application or protocol (L7 Classification). Key components of the network data - commonly referred to as metadata - are then extracted for recording and content analysis.

NAVL is integrated directly into Network and Service Operator platforms responsible for performing interception functions. NAVL provides critical features and functionality for LI integration, including:

  • High performance metadata extraction across key applications like messaging, mail, and social media
  • Multi-Open interface enables target and flow isolation
  • Performance beyond 40Gbps of low latency classification and metadata extraction
  • Steady stream of application and protocol signature updates released weekly

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Sophos

We selected Vineyard's DPI Engine, NAVL, allowing us to bring in the best product to support our environment, and in turn, focus our internal resources on our core solutions.

Angelo Comazzetto - Sophos

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