Network Protection

Path segment restoration is also called sub-path restoration. It is similar to the path restoration technique, which is however more generic than the latter. Path restoration carries out restoration always at the two end nodes of a working paths, while path segment restoration can perform restoration between any node pair on a working path as [...]

Traditional span-protecting p-cycles offer protection for those on-cycle spans and straddling spans. On-cycle spans are referred to as the spans on a p-cycle itself, while straddling spans are referred to as the spans, who are not on the p-cycle, but whose two end nodes are on the cycles. P-cycles are an advanced span protection technique. [...]