Journal article
Cognitive Optical Network Testbed: EU Project CHRON
Department of Photonics Engineering, Technical University of Denmark1
Ultra-fast Optical Communication, Department of Photonics Engineering, Technical University of Denmark2
University of Valladolid3
Athens Information Technology4
CREATE-NET5
Metro-Access and Short Range Systems, Department of Photonics Engineering, Technical University of Denmark6
The aim of cognition in optical networks is to introduce intelligence into the control plane that allows for autonomous end-to-end performance optimization and minimization of required human intervention, particularly targeted at heterogeneous network scenarios. A cognitive network observes, learns, and makes informed decisions based on its current status and knowledge about past decisions and their results.
To test the operation of cognitive algorithms in real time, we created the first operational testbed of a cognitive optical network based on the Cognitive Heterogeneous Reconfigurable Optical Network (CHRON) architecture. In this experiment, an intelligent control plane, enabled by a cognitive decision system (CDS), was successfully combined with a flexible data plane.
The testbed was used to test and validate different scenarios, demonstrating benefits obtained by network cognition, particularly lightpath establishment and a tear-down scenario, improved failure restoration time, cognitive virtual topology reconfiguration, and a modulation format change.
| Language: | English |
|---|---|
| Publisher: | IEEE |
| Year: | 2015 |
| Pages: | A344-A355 |
| ISSN: | 19430639 and 19430620 |
| Types: | Journal article |
| DOI: | 10.1364/JOCN.7.00A344 |
| ORCIDs: | Borkowski, Robert and Tafur Monroy, Idelfonso |
Autonomous networks Bit error rate COMPUTER Cognitive optical networks Communication, Networking and Broadcast Technologies Dynamic optical networks End-to-end performance Failure restoration Heterogeneous networks Lightpath establishment Monitoring OPTICS Optical communication Optical communications Optical fiber networks Optical fibers Optical switches Optical transmitters Photonics and Electrooptics Reconfigurable architectures Reconfigurable optical network TELECOMMUNICATIONS Testbeds Virtual topology reconfiguration
CHRON EU project autonomous end-to-end performance optimization cognitive algorithms cognitive decision system cognitive heterogeneous reconfigurable optical network cognitive network observer cognitive optical network cognitive systems cognitive virtual topology reconfiguration computer network management control plane failure restoration time flexible data plane heterogeneous network human intervention minimization modulation format change network cognition optical fibre networks telecommunication computing
