Title	An Evolution to Next Generation Heterogeneous Cellular Networks
Author	Mahmood Adnan, Shadi M. S. Hilles, Wael M. S. Yafooz
Citation	Vol. 17  No. 4  pp. 251-255
Keywords	4G Technology, Next Generation Cellular Networks, Heterogene-ous Networking.

Title	Domineering Analysis & Mitigation of IP-SEC VPN Using GNS3
Author	Engr. Maria Abdullah and Najeed Ahmed Khan
Citation	Vol. 17  No. 4  pp. 245-250
Keywords	VPN IP Security ICMP TCP SHA1 AES algorithm.

Title	Efficient and Reliable Reactive Routing Protocol for Mobile Ad-Hoc Network
Author	Shariq Mahmood Khan, Muhammad Mubashir Khan, Waseemullah
Citation	Vol. 17  No. 4  pp. 238-244
Keywords	Reliable Routing, Efficient Routing, MANET.

Title	Urbanization Analysis Using Spatial Support and Improved Random forest Decision Tree Approach
Author	P. Kalyani and P. Govindarajulu
Citation	Vol. 17  No. 4  pp. 224-237
Keywords	Decision Trees, Geographic Information Systems, Land Cover, Land Use, Random Forest Decision Tree.