1. An apparatus, in proxy element, comprising: at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform: receiving, from a control plane network control element of an access node, a request for providing at least one radio access service 30 and/or slice and/or area; sending, to a network information storing element, a request for information concerning the at least one radio access service and/or slice and/or area; receiving, from the network information storing element, information concerning a user plane network control element or at least one network access element, the user plane network control element or the at least one network access element belonging to an access node offering the at least one radio access service and/or slice and/or matching the requested area, selecting, based on the information, a user plane network control element or a network access element for using the at least one radio access service and/or slice and/or area, sending, to the selected user plane network control element or network access element, information on the requested radio access service and/or slice and/or area; receiving, from the selected user plane network control element or network access element, the provided radio access service and/or slice and/or area; and sending the provided radio access service and/or slice and/or area to the requesting control plane network control element; wherein the at least one radio access service and/or slice and/or area comprises a user equipment context management service. at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to perform: receiving, from a control plane network control element of an access node, a request for providing at least one radio access service 30 and/or slice and/or area; sending, to a network information storing element, a request for information concerning the at least one radio access service and/or slice and/or area; receiving, from the network information storing element, information concerning a user plane network control element or at least one network access element, the user plane network control element or the at least one network access element belonging to an access node offering the at least one radio access service and/or slice and/or matching the requested area, selecting, based on the information, a user plane network control element or a network access element for using the at least one radio access service and/or slice and/or area, sending, to the selected user plane network control element or network access element, information on the requested radio access service and/or slice and/or area; receiving, from the selected user plane network control element or network access element, the provided radio access service and/or slice and/or area; and sending the provided radio access service and/or slice and/or area to the requesting control plane network control element; wherein the at least one radio access service and/or slice and/or area comprises a user equipment context management service. receiving, from a control plane network control element of an access node, a request for providing at least one radio access service 30 and/or slice and/or area; sending, to a network information storing element, a request for information concerning the at least one radio access service and/or slice and/or area; receiving, from the network information storing element, information concerning a user plane network control element or at least one network access element, the user plane network control element or the at least one network access element belonging to an access node offering the at least one radio access service and/or slice and/or matching the requested area, selecting, based on the information, a user plane network control element or a network access element for using the at least one radio access service and/or slice and/or area, sending, to the selected user plane network control element or network access element, information on the requested radio access service and/or slice and/or area; receiving, from the selected user plane network control element or network access element, the provided radio access service and/or slice and/or area; and sending the provided radio access service and/or slice and/or area to the requesting control plane network control element; wherein the at least one radio access service and/or slice and/or area comprises a user equipment context management service.