Published 31 Mar 2020 •  vol 13  •  no 3  • 



Amit Kumar Garg, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, India



Now-a-days, multiplexed high speed optical networks are considered as a promising technology to serve the requirements of bandwidth intensive applications. Network survivability is the stability and reliability of operations for providing continuity irrespective due to failures or disruptions. Fault-tolerance also known as survivability plays a very important role for such high capacity optical networks. The design, real time working and maintenance of survivability is an important and challenging issue because WDM optical networks load big amount of traffic and disruptions may significantly degrade the network performance. Hence, there is an immediate need to explore novel effective mechanisms for making optical transport networks to be recoverable from failures. To cater above challenge, in this paper, a novel realizable and efficient mechanism for network resilience (REMNS) in WDM optical transport systems has been developed. In REMNS, data is diverted from the normal way to secondary option and is returned back to its original way once the disconnections on the normal operation are removed. This results in the network to return to its normal state as soon as the resilience has been restored. The simulation results proved that the proposed REMNS results both faster recovery speed as well as higher resource-efficiency thereby increase in spectral utilization by almost 80% and protect about 25-28% or premium traffic in comparison to existing protection and restoration schemes.



Survivable networks, fault tolerance, wavelength assignment, path restoration, availability



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Garg, A. K. (2020). Realization of an Efficient Mechanism for Network Survivability (REMNS) in Multiplexed Optical Transport Systems and Networks. International Journal of Control and Automation (IJCA), ISSN: 2005-4297 (Print); 2207-6387 (Online), NADIA, 13(3), 15-24. doi: 10.33832/ijca.2020.13.3.02.

Garg, Amit Kumar, “Realization of an Efficient Mechanism for Network Survivability (REMNS) in Multiplexed Optical Transport Systems and Networks.” International Journal of Control and Automation, ISSN: 2005-4297 (Print); 2207-6387 (Online), NADIA, vol. 13, no. 3, 2020, pp. 15-24. IJCA,

[1] A. K. Garg, "Realization of an Efficient Mechanism for Network Survivability (REMNS) in Multiplexed Optical Transport Systems and Networks." International Journal of Control and Automation (IJCA), ISSN: 2005-4297 (Print); 2207-6387 (Online), NADIA, vol. 13, no. 3, pp. 15-24, Mar 2020.