1. 1. M. Olsson, S. Sultana, S. Rommer, L. Frid, and C. Mulligan, “Architecture Overview,” in EPC and 4G Packet Networks, 2013.
   2. N. Bahl, A. K. Sharma, and H. K. Verma, “On Denial of Service Attacks for Wireless Sensor Networks,” Int. J. Comput. Appl., vol. 43, no. 6, pp. 43–47, 2012.
   3. R. Mijumbi, J. Serrat, J. L. Gorricho, N. Bouten, F. De Turck, and R. Boutaba, “Network function virtualization: State-ofthe-art and research challenges,” IEEE Commun. Surv. Tutorials, 2016.
   4. S. A. V. Jatti and V. J. K. Kishor Sontif, “Intrusion detection systems,” Int. J. Recent Technol. Eng., 2019.
   5. C. Modi, D. Patel, B. Borisaniya, H. Patel, A. Patel, and M. Rajarajan, “A survey of intrusion detection techniques in Cloud,” Journal of Network and Computer Applications. 2013.
   6. Q. Yan, F. R. Yu, Q. Gong, and J. Li, “Software-defined networking (SDN) and distributed denial of service (DDOS) attacks in cloud computing environments: A survey, some research issues, and challenges,” IEEE Communications Surveys and Tutorials. 2016.
   7. B. A. A. Nunes, M. Mendonca, X. N. Nguyen, K. Obraczka, and T. Turletti, “A survey of software-defined networking: Past, present, and future of programmable networks,” IEEE Commun. Surv. Tutorials, 2014.
   8. O. Flauzac, C. Gonzalez, and F. Nolot, “New security architecture for IoT network,” in Procedia Computer Science, 2015.
   9.  A. Blenk, A. Basta, M. Reisslein, and W. Kellerer, “Survey on network virtualization hypervisors for software defined networking,” IEEE Communications Surveys and Tutorials. 2016.
   10. Y. Jarraya, T. Madi, and M. Debbabi, “A survey and a layered taxonomy of softwaredefined networking,” IEEE Communications Surveys and Tutorials. 2014.
   11. P. Lavanya, R. Meena, R. Vijayalakshmi, Prof. M. Sowmiya, Prof. S. Balamurugan , “ A Novel Object Oriented Perspective Design for Automated BookBank Management System”, International Journal of Innovative Research in Computer and Communication Engineering, Vol.3, Issue 2, February 2015.
   12. P.Andrew , J.Anishkumar , Prof.S.Balamurugan , S.Charanyaa, “ A Survey on Strategies Developed for Mining Functional Dependencies”, International Journal of Innovative Research in Computer and Communication Engineering, Vol.3, Issue 2, February 2015.