Patent ID: 7376088
Filing Date: 2008-05-20
Classification: H04L

Abstract:
1. A redundancy management method of a switched full-duplex Ethernet communication network that includes at least two independent elementary networks each of which includes at least one source equipment and at least one destination equipment inter-linked by at least one physical link through at least one switch; each equipment piece being linked to each elementary network, in which each frame transmitted by a source equipment over a virtual link of an independent elementary network includes a number within a predetermined interval, wherein during reception by a destination equipment of a frame over a virtual link at a given instant, said method includes: a step of defining, for said virtual link, a window included within said predetermined interval corresponding to the frames already received at said given instant, a step of comparing the number of the frame received with said window, and a step of accepting the received frame when the frame number is not included in said window.