Reverse Path Forwarding
Reverse path forwarding (RPF) is a technique used in modern routers for the purposes of ensuring loop-free forwarding of multicast packets in multicast routing and to help prevent IP address spoofing in unicast routing.
Read more about Reverse Path Forwarding: Multicast RPF, Unicast RPF (uRPF), Unicast RPF Confusion
Famous quotes containing the words reverse, path and/or forwarding:
“During the late war [the American Revolution] I had an infallible rule for deciding what [Great Britain] would do on every occasion. It was, to consider what they ought to do, and to take the reverse of that as what they would assuredly do, and I can say with truth that I was never deceived.”
—Thomas Jefferson (17431826)
“Every path but your own is the path of fate. Keep on your own track, then.”
—Henry David Thoreau (18171862)
“I was duped ... by the Secretary of the treasury [Alexander Hamilton], and made a fool for forwarding his schemes, not then sufficiently understood by me; and of all the errors of my political life, this has occasioned the deepest regret.”
—Thomas Jefferson (17431826)