Abstract
Legacy networks do not open the precise information of the network domain because of scalability, management and commercial reasons, and it is very hard to compute an optimal path to the destination. According to today’s ICT environment change, in order to meet the new network requirements, the concept of software-defined networking (SDN) has been developed as a technological alternative to overcome the limitations of the legacy network structure and to introduce innovative concepts. The purpose of this paper is to propose the application that calculates the optimal paths for general data transmission and real-time audio/video transmission, which consist of the major services of the National Research & Education Network (NREN) in the SDN environment. The proposed SDN routing computation (SRC) application is designed and applied in a multi-domain network for the efficient use of resources, selection of the optimal path between the multi-domains and optimal establishment of end-to-end connections.
Highlights
When an error occurs on the path, the path must be searched again, and the optimal path must be found
The computing resources of the controller that centrally manages the entire network are not allocated to the path calculation, so that the load on the controller required for path calculation can be reduced
This research describes the software-defined networking (SDN) environment that can change the network ecosystem from the hardware-based one to the software-based one while global National Research & Education Network (NREN) are moving their focuses toward software-based future service environments
Summary
By expanding demands for mobile communication devices, such as smart phones, tablet PCs and notebook PCs, and increasing use of Internet services, wireless data traffic has grown explosively. The. SDNs that emerge as alternatives to the network structure is divided into a few groups—the group that runs large-volume data centers and provides cloud services, such as Google, Yahoo, Facebook, Microsoft and HP, the major network vendor group that supplies network equipment, such as Cisco, Juniper and Alcatel, and the communication service providers that run the communication networks and provide communication services, such as Deutsche Telekom, Verizon and NTT These groups are the main players in the SDN field interacting with each other [1,2,3]. These players cooperate to establish technological standards while competing with each other. There are around 100 member companies, including global companies, such as Cisco, Juniper, Brocade, IBM, Dell, HP, VMware and Huawei, and they are exerting their influence to build their own ecosystems
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
