1. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Illustration for full link-disjoint protection algorithm (a) CERNET topology with Probabilistic-Shared Risk Link Group (PSRLGs), (b) build a primary path, (c) build backup path with link-disjoint constraint, (d) share backup path with link-disjoint constraint. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

2. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Illustration for intraclass-shared resource (ICSR) scheme and cross-class-shared resource (CCSR) scheme (a) CERNET topology with differentiate connections, (b) backup resource sharing in ICSR scheme, and (c) backup resource sharing in CCSR scheme. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

3. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Networks topology (a) NSFNET and (b) USNET. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

4. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Service failure probability (SFP) versus traffic load (a) NSFNET topology, (b) USNET topology. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

5. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Blocking probability versus traffic load (a) NSFNET topology and (b) USNET topology. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

6. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Redundancy versus traffic load (a) NSFNET topology and (b) USNET topology. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111

7. Date of download: 6/21/2016 Copyright © 2016 SPIE. All rights reserved. Spectrum utilization radio versus traffic load (a) NSFNET topology and (b) USNET topology. Figure Legend: From: Differentiated quality-of-protection provisioning with probabilistic-shared risk link group in survivable flexi-grid optical networks Opt. Eng. 2014;53(6):066111. doi:10.1117/1.OE.53.6.066111