Title	DDoS attacks prevention in cloud computing through Transport Control protocol TCP using Round-Trip-Time RTT
Author	Thikra S Alibrahim, Saloua Hendaoui
Citation	Vol. 22  No. 1  pp. 276-282
Keywords	DDoS attack , Cloud Computing , TCP protocol , Round-Trip-Time RTT.

Title	A Portable IoT-cloud ECG Monitoring System for Healthcare
Author	Amjad Qtaish, Anwar Al-Shrouf
Citation	Vol. 22  No. 1  pp. 269-275
Keywords	Healthcare; ECG monitoring; sensors; IoT-cloud.

Title	Information and Communication Technologies for the Innovative Development of Tourism Training in the Context of COVID-19
Author	Oksana Krupa, Vladimir Panchenko, Iryna Dydiv, Yuliia Borutska, Nataliia Shcherbatiuk
Citation	Vol. 22  No. 1  pp. 262-268
Keywords	Information and Communication Technology, Tourism Training, Educational Institutions, COVID-19.

Title	Optimizing Network Lifetime of RPL Based IOT Networks Using Neural Network Based Cuckoo Search Algorithm
Author	P. Jaya Prakash, Dr B. Lalitha
Citation	Vol. 22  No. 1  pp. 255-261
Keywords	RPL, ANN-CUCKOO, IoT, low-cost path, sensors, energy efficiency