Q. Zhang, A. Chiu, X. Wang, P. Palacharla, and M. Sekiya, "Restoration Design with Selective Optical Bypass in IP-over-Optical Networks,"
in National Fiber Optic Engineers Conference,
OSA Technical Digest
(Optical Society of America, 2012), paper NW3K.3.
We propose a multi-layer restoration scheme that strategically selects a subset of IP links to be restored at the optical layer with the rest being restored at the IP layer, resulting in significant cost savings.