. The human end user as a traffic generator is relevant. Regarding consumers in general it is recommended to start by testing the market using existing systems (see Malm, Thorngren in Chapter 1). Chapter 2 - xSP according to Table 2.1. Also IS/IT outsourcing, support to internal processes, mobile enterprise and enterprise processes (SCM, ERP, CRM). Chapter 4 - Figures 4.2 and 4.3 are pertinent. Much of Section 4.4 is relevant, in particular the introduction. Figure 4.15 and terminology, such as HE-VASP and MVNO. Figures 4.25 and 4.26 and consequences for the service layer. The main part of Section 4.6 is relevant as well. 9.3 WHAT IS A SERVICE NETWORK? A service network is a logical IP-based network for end-user services that goes 'beyond voice'. Service networks serve public subscribers as well as enterprises and society. The Service Network Service network Application server server management Business support server server Network management CRM customer rel. server system management Directory CAS customer adm. system user profile Charging control IP infrastructure Portal BGW billing gateway (backbone) engine Pre/post processing cost control node Personal Notification service environment support WAP GW management Charging support Application Mobile support PSTN,ISDN E-pay Bearer access Internet VAS service enablers IN services CONTROL CONNECTIVITY Figure 9.3 An example of a service network structure. Applications, management and service enablers are main functions of the server-rich service network. Everything is connected by means of an IP infrastructure backbone network networks provide and support end-user services, support partner cooperation, B2B, B2C, provide service management, end-user management and core network access. The owner of a public service network may be a mobile operator, an ISP, a portal or a virtual network operator (VNO). In the enterprise segment, the mobile VNO or systems integrator may take on important roles. The word 'enabler' should be borne in mind, with location as a good example.