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Restoration Mechanisms Applicability -------------------------------------------------------------------- | Path Search (computation and selection) -------------------------------------------------------------------- | Pre-planned | Dynamic -------------------------------------------------------------------- | | - faster recovery | Does not apply | | - less flexible | | 1 | - less robust | | | - most resource consuming | Path | | | Setup --------------------------------------------------------- | | - relatively fast recovery | Does not apply | | - relatively flexible | | 2 | - relatively robust | | | - resource consumption | | | depends on sharing degree | --------------------------------------------------------- | | - relatively fast recovery | - less faster (computation) | | - more flexible | - most flexible | 3 | - relatively robust | - most robust | | - resource consumption | - less resource consuming | | depends on sharing degree | --------------------------------------------------------------------