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fairly fast packet filter
Last modified: Thursday, February 23, 2006
Fairly fast packet filter (FFPF), an
alternative platform for
network monitoring under Linux. It is a
stream-based networking subsystem for Linux that spans from
hardware to userspace to offer high-speed
communication paths to all applications. It
transparently supports specialized hardware resources and in-kernel
processing through safe functional units. FFPF is licensed under the
GNU Lesser General Public License (GPL).
[Adapted from FFPF
Web site]
FFPF - Theory & Architecture Integral to FFPF is the concept of flows. Roughly speaking, a flow is to a network what a process is to a computer. We define a flow as a stream of packets that adheres to the same set of characteristics. Thus, all network packets entering a NIC can be grouped into a flow.
FFPF: Fairly Fast Packet Filters FFPF is a network monitoring framework designed for three things: speed (handling high link rates), scalability (ability to handle multiple applications) and flexibility.
