Experimental validation and performance evaluation of OpenFlow-based wavelength path control in transparent optical...

Area of Science:

• Network virtualization
• Optical networking
• Software-defined networking

Background:

• OpenFlow is a key protocol for network virtualization and control in heterogeneous networks.
• Its application in controlling wavelength switched optical networks remains unexplored.
• Transparent optical networks require efficient lightpath provisioning mechanisms.

Purpose of the Study:

• To experimentally demonstrate OpenFlow-based wavelength path control for lightpath provisioning.
• To propose and evaluate novel approaches for lightpath setup and release using OpenFlow.
• To validate the feasibility and effectiveness of these methods on a real optical network testbed.

Main Methods:

• Implementation of OpenFlow protocol for both control and data planes in a transparent optical network.
• Development of sequential and delayed approaches for lightpath setup.
• Development of active and passive approaches for lightpath release.
• Experimental validation and quantitative performance evaluation of proposed methods.

Main Results:

• Successful proof-of-concept demonstration of OpenFlow-based wavelength path control.
• Experimental validation of the feasibility of proposed lightpath setup and release approaches.
• Quantitative evaluation of network performance metrics for the implemented methodologies.
• Demonstration on a real transparent optical network testbed.

Conclusions:

• OpenFlow can be effectively utilized for wavelength path control in transparent optical networks.
• The proposed sequential/delayed setup and active/passive release approaches are feasible and effective.
• The experimental validation provides valuable insights for deploying OpenFlow in real optical networks.