The CIMPA school "Matemática en Internet y Redes de Nueva Generación" (Mathematics in Internet and New Generation Networks) is for students, teachers and young researchers of mathematic and/or engineering of Latin America. The objective is to disseminate mathematical modeling of data networks, as well as giving the opportunity to teachers, young researchers and students of the region to contact international top-level experts and update their formation en the school's topics. It is also pursuited to contribute to applied mathematics, in particular the mathematics-informatics-telecommunications interaction. The working languages of the school will be spanish, french and english.