Elastic Optical Networks (EON) and their advantages over fixed grid Wavelength Division Multiplexing (WDM) networks.

Surender Yadav; Amit Pradhan; Komala K

Elastic Optical Networks (EON) and their advantages over fixed grid Wavelength Division Multiplexing (WDM) networks.

Authors

Surender Yadav K.R. Mangalam University, Gurugram, Haryana, INDIA
Amit Pradhan Sandip University (Sijoul)
Komala K Sri Siddhartha Academy of Higher Education

Keywords:

Engineering, high-speed, broad spectrum

Abstract

Researchers are finding it difficult to establish a high-speed communication system that can meet the needs of society in the current environment since the demand for internet traffic is increasing at such a rapid rate. Real-time multimedia applications, E-science, video on demand, online banking, remotely accessible equipment, online auction services, video-conferencing, big-data files, and so on are only some of the services that are made possible by the quick and dynamic transmission of information. The increase in data traffic can be attributed to the rapid development of high-speed communication technology. The conventional electronic networks and channels were not capable of meeting the requirements of this demand. The optical network is a potentially useful option to meet the requirements of this demand. Optical networks rely on fibers because they allow for tremendous capacity and enable dependable communication across great distances with a minimum of latency. Because of the increasing demand for high-speed communication as well as high-speed networks for data transmission, conventional Wavelength Division Multiplexed (WDM) networks, also known as fixed grid technology, are not likely to be viable for applications that may emerge in the near future. Due to problems with inefficient resource usage, this technology based on a fixed grid prompted researchers to investigate technologies based on flexible grids that provide an elastic spectrum. The bandwidth of the fixed grid channel is partitioned into slots using flexible grid technology. This results in the channel having segmented bandwidth. The amount of contiguous slots that are allotted is determined by the number of connection requests that are made, the slot width, and the modulation format. Although we estimate slot width to be 12.5 GHz on average, it may really be anywhere between 6.25 and 12.5 GHz (as per ITU-T Recommendation). The length of the transmission reach between the source node and the destination node determines the modulation format that will be used.

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Elastic Optical Networks (EON) and their advantages over fixed grid Wavelength Division Multiplexing (WDM) networks.