OMICS International OMICS International is a scientific organization that drives the progress of research through open access journals and organizes international conferences, The best in science news, commentary, and research. Journal of Information Technology & Software Engineering Volume 6 Issue 5 MPLS based VPN Implementation in a Corporate Environment Farooq Ahmed, Zain Ul Abedin Butt and Uzair Ahmad Siddiqui Contemporary Trends in the Information Technology IT World and its Transformational Effect on Chief Information Officer CIO Roles Analytical Study Qasem AbdelMuti Nijem Afan Oromo Sense Clustering in Hierarchical and Partitional Techniques Workineh Tesema A Literature Survey on Caching and Prefetching Techniques in MANET Shashidhara DN and Chandrappa DN Prospects and Challenges of Mobile Learning Implementation A Case Study Rana Alhajri