1. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. OVPN architecture. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

2. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Framework of the proposed OVPN over MPLS/OPS networks, (a) network layer, and (b) network architecture. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

3. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Architecture of the proposed OVPN over MPLS/OPS network and its working illustration. (a) Schematic of the OVPN over MPLS/OPS network, and (b) an example for illustrating operation principle of control process. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

4. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. OVPN over MPLS/OPS based on a full mesh topology. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

5. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Network capacity (Gbps) changing with the number of node and the number of wavelengths. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

6. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Network throughout changing with different number of wavelengths and variable network traffic load. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

7. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Delay time changing with the traffic load, the wavelength number W=2, 4, 8, 16. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

8. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Delay time changing with the number of wavelengths, N=20. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

9. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Delay time changing with the number of nodes, W=8. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

10. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Packet loss rate changing with traffic load for different number of wavelengths at the OVPN over MPLS/OPS receiver node based on full mesh topology. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004

11. Date of download: 5/30/2016 Copyright © 2016 SPIE. All rights reserved. Packet loss rate changing with the number of wavelengths for different traffic load at the OVPN over MPLS/OPS receiver node based on full mesh topology. Figure Legend: From: Principle and verification of novel optical virtual private networks over multiprotocol label switching/optical packet switching networks Opt. Eng. 2012;51(11):115004-115004. doi:10.1117/1.OE.51.11.115004