The 11th International Conference on Network and Service Management (CNSM), is inviting authors to submit original contributions in the network and service management research area. CNSM 2015 is a selective single-track conference covering all aspects of the management of networks and services, pervasive systems, enterprises, and cloud computing environments. The core track is accompanied by a series of workshops, tutorials and poster sessions. Papers accepted and presented at CNSM 2015 will be published open access on the conference Web site (with IFIP copyright) and included in the IFIP Digital Library. Authors of selected papers accepted for publication in the CNSM 2015 proceedings will be invited to submit an extended version of their paper to the IEEE Transactions on Network and Service Management journal.