RT Journal Article T1 5G-Crosshaul: an SDN/NFV control and data plane architecture for the 5G integrated Fronthaul/Backhaul A1 González Díaz, Sergio A1 Oliva Delgado, Antonio de la A1 Costa-Pérez, Xavier A1 Di Giglio, Andrea A1 Cavaliere, Fabio A1 Deiss, Thomas A1 Li, Xi A1 Mourad, Alain AB This paper presents the control and data plane architecture design for a 5G transport solution (5G-Crosshaul) with the aim of integrating the fronthaul and backhaul network segments in a common transport stratum. The control plane relies on the Software-defined networking/Network Functions Virtualization concept to control and orchestrate the different elements of the network (the 5G-Crosshaul control infrastructure). The data plane is based on an mixed optical/packet-based forwarding entity (the 5G-Crosshaul forwarding element) that leverages the benefits of optical passthrough with the statistical multiplexing of packet-based transmission, working on top of a common frame format for both, fronthaul, and backhaul traffic (the 5G-Crosshaul common frame). In addition to the main architecture design, this work includes the impact of providing multi-tenancy support into the architecture of the overall system, in order to share the costs of building and operating the infrastructure among different operators. This architecture opens the 5G transport network as a service for innovative network applications on top (such as multi-tenancy, and resource management), provisioning the required network and IT resources in a flexible, cost-effective, and abstract manner. The proposed design supports the concept of network slicing pushed by the industry for realizing a truly flexible, sharable, and cost-effective future 5G system. PB John Wiley & Sons, Ltd. SN 2161-3915 YR 2016 FD 2016-09-05 LK https://hdl.handle.net/10016/25862 UL https://hdl.handle.net/10016/25862 LA eng NO This work has been funded by the EU H2020 project “5GCrosshaul: The 5G Integrated fronthaul/backhaul” (grant no. 671598). DS e-Archivo RD 5 jul. 2024