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They’ll need to be able track each user’s traffic across the entire network, including both their own subscribers as well as those of multiple VNOs, in order to prioritize traffic and manage their multiple obligations. Following any network event, these providers must not only locate the fault within the network, but also be able to view it in terms of the users or services to be affected. There are already service-impact analysis tools which provide this capability. In fact, such solutions are already deployed among providers who service high-value business customers or sensitive services which need to be prioritized; when supporting multiple VNOs, this approach is all the more critical for a rational prioritization of network resources.

New network architectures and ownership structures are creating functional challenges in assuring QoS, and yet the end result must be on the highest level ever, due to increased competition. Only with advanced service assurance OSS will operators obtain the capabilities to manage their position regarding partners and competitors, and keep their key customers happy. In this shifting and dynamic market, with various PSTN incumbents, cable operators, IP providers and VNOs entering each other's markets, a reputation for high service quality will be one of the main benchmarks to indicate which providers will survive the current shift and come out on top.