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Experimental evaluation of efficient routing and distributed spectrum allocation algorithms for GMPLS elastic
Raül Muñoz1, Ramon Casellas, Ricardo Martínez
1Centre Tecnològic de Telecomunicacions de Catalunya (CTTC), Av. Carl Friedrich Gauss n7, Castelldefels, Barcelona, Spain. raul.munoz@cttc.es
Optics Express
|December 25, 2012
Summary
This study introduces efficient dynamic routing strategies for elastic optical networks using aggregated resource data and advanced spectrum allocation. These methods improve performance in Generalized Multi-Protocol Label Switching (GMPLS) controlled networks.
Area of Science:
- Optical Networking
- Telecommunications Engineering
- Computer Networks
Background:
- Generalized Multi-Protocol Label Switching (GMPLS) networks require efficient resource management for elastic optical communication.
- Dynamic routing and spectrum allocation are critical for optimizing network performance and capacity.
Purpose of the Study:
- To present and experimentally evaluate efficient strategies for dynamic source/Path Computation Element (PCE) routing.
- To investigate the use of aggregated resource information for improved routing decisions.
- To assess advanced distributed spectrum allocation algorithms in GMPLS-controlled elastic optical networks.
Main Methods:
- Implementation of dynamic source/Path Computation Element (PCE) routing strategies.
- Utilizing aggregated resource information for path computation.
- Development and application of distributed spectrum allocation algorithms.
- Experimental evaluation within a Generalized Multi-Protocol Label Switching (GMPLS)-controlled elastic optical network testbed.
Main Results:
- Demonstration of efficient dynamic routing strategies.
- Validation of aggregated resource information's effectiveness in PCE routing.
- Quantification of performance improvements from advanced distributed spectrum allocation.
- Successful experimental evaluation in GMPLS elastic optical networks.
Conclusions:
- The proposed dynamic routing and spectrum allocation strategies are efficient for GMPLS-controlled elastic optical networks.
- Aggregated resource information enhances PCE routing performance.
- Advanced distributed spectrum allocation algorithms contribute to network optimization.
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