Near-Hitless Protection in IPoDWDM Networks
O. Gerstel, I. Leung, Gary Nicholl, H. Sohel, Walid Wakim, Kevin Wollenweber · 2008
A new protection scheme that takes advantage of integrated DWDM interfaces on routers to enable a near-hitless switchover of traffic from a failing working path to a protection path, using pre-FEC error statistics.