Hughes was one of the first companies to commercialize “Shared Hub Services” and developed the key features that enable the provision of VNO based services. Through the extensive capabilities and features of Hughes satellite broadband platforms, Service Providers can be confident that the Hughes solution enables superior VNO services.
These VNO services can be enabled on either the Hughes HN and HX systems as both systems have the same suite of VNO capabilities.
The starting point in partitioning a network is the IP gateway. For each VNO, a wholesale operator can either dedicate an IP gateway or use the VLAN tagging capability of the HN System to provide a virtual IP gateway (that is, a single IP gateway can support multiple VLANs). At the most basic level, a partition would consist of the IP gateway and the remote terminals connected to the IP gateway as illustrated in the figure below.
For service providers who desire to provide VNOs with dedicated bandwidth allocation (which the VNO can oversell as it sees fit), the HN and HX systems support a further network partitioning whereby the VNO is provided return channels which it operates under its control. This approach is illustrated in the Figure below.
One of the critical elements for a successful VNO offering by a wholesale operator is the capability to provide the various VNOs a partitioned access to the NMS. The key is that the VNO should be able to control its own network elements (IP gateways, remote terminals, and if applicable, return channel DNCC and CDS elements) but be prevented from accessing or viewing other VNO components. In addition, the VNO should be able to see the state and status of the common network equipment but should not be able to control the common equipment as it is the responsibility of the wholesale operator to maintain the common equipment. The HN and HX systems utilize a Network Management Domain (NMD) approach to supporting each of these requirements.
The UEM/Vision system supports multiple NMDs so that each VNO can perform network operations (such as monitoring network status and statistics) and overall network management activities (such as configuration and control) on only the network components controlled by that VNO. Figure 4 illustrates how the HN and HX systems support NMD for different VNOs. VNOs are provided remote access into the NMS using a Java-based HTML client.
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