Topics in network and service management [Guest Editorial]

This is the seventh issue of the series on Network and Service Management that is published twice a year, typically in April and October, although the previous issue had to be published in May (i.e., it was delayed by a month). The series provides articles on the latest developments in this wel established discipline, highlighting recent research achievements and providing insight into both theoretical and practical issues related to the evolution of the discipline from different perspectives. The series provides a forum for the publication of both academic and industrial research, addressing the state of the art, theory, and practice in network and service management.