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Using Shared Risk Link Groups to enhance backup path computation

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Academic year: 2021

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Fig. 1. Local protection of a primary path
Fig. 3. Operative backup paths of the affected primary paths.
Fig. 4. A backup path traversing a link of a SRLG containing the protected link of our algorithm SSEA inequality 9 (for the backup-backup bandwidth sharing) or inequality 11 (for the primary-backup bandwidth sharing) to select the links which can be used f
Figure 6 and figure 7 depict the evolution of RRP and RGR respectively as a func- func-tion of the number of primary paths setup in the network (i.e

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