The S2EUNET workshop (http://lafmia.imag.fr/s2eunet-workshop/) is organized in conjunction with CONIELECOMP held at Universidad de las Américas, Puebla, Mexico. The workshop brings together scientists on next generation networks participating in the SE2EUNET project of the FP7 People IRESES program. The objective of the workshop is first to disseminate expertise on hot topics in the area acquired by the projects actors through presentations, tutorials and keynotes; second to provide a joint view of the scientific directions developed in the project.