[IFIP Advances in Information and Communication Technology] Information and Communication Technologies for Development. Strengthening Southern-Driven Cooperation as a Catalyst for ICT4D Volume 551 (15th IFIP WG 9.4 International Conference on Social Implications of Computers in Developing Countries, ICT4D 2019, Dar es Salaam, Tanzania, May 1–3, 2019, Proceedings, Part I) || Rate Adaptive Congestion Control Using Lookup Table Scheme to Enhance Quality of Experience