Packet Flow eXtender (PFX) is a software application enabling expert packet conditioning for service assurance and cybersecurity monitoring. The solution is built on the NETSCOUT InfiniStreamNG platform and framework leveraging patented technologies. As part of the nGenius® Packet Flow System (PFS) portfolio, PFX integrates with NETSCOUT’s broad set of packet broker products to enable expert-level capabilities, such as NetFlow generation and IP tunnel termination. The PFX application runs on multiple InfiniStreamNG hardware appliances and on several x86 server platforms, providing scalability on demand in a cost-effective manner.