Title	A Survey on Security Architecture and Key Management Systems in a Wireless Sensor Network
Author	Sunil Kumar, C. Rama Krishna and A. K. Solanki
Citation	Vol. 17  No. 4  pp. 263-273
Keywords	Cryptography, hash function, pattern generation, symmetric/asymmetric key, data security architecture, key management system.

Title	Rapid Mobile Development: Build Rich, Sensor-Based Applications using a MDA approach
Author	Mohamed LACHGAR and Abdelmouna?m ABDALI
Citation	Vol. 17  No. 4  pp. 274-283
Keywords	Model Driven Architecture Sensors Domain Specific Language Mobile development

Title	Enhancing Pipeline Network Performance Using Dual Interleaving Cluster Head Routing Protocol
Author	Siva Kumar Subramaniam, Shariq Mahmood Khan, Najeed Ahmed Khan
Citation	Vol. 17  No. 4  pp. 284-291
Keywords	Linear topology, pipeline network, static routing, TCP performance, static wireless sensor network

Title	Efficient Multicasting Algorithm Using SDN
Author	Alaa M. Allakany and Koji Okamura
Citation	Vol. 17  No. 4  pp. 292-297
Keywords	Software Defined Networks, OpenFlow, Pox controller, Mininet, Multicast tree, Dijkstra Algorithm, Tabu Search (TS).