NexTone Communications, maker of session border controllers, today introduced a new platform that delivers real-time services over converged IP networks. Called the RSM platform, for Real-Time Session Manager, the product includes a NEBS3-compliant, chassis-based real-time session manager, which manages network resources and optimizes call distribution. The platform also works with NexTone’s multiprotocol session controller to enforce quality of service (QoS).
NexTone says the RSM platform addresses concerns about IP’s quality, and ability to provide availability and service level agreement assurances. "While MPLS provides bulk transport QoS for real-time services, it does not support session-level granularity,” says Dan Dearing, vice president of marketing at NexTone. “An MPLS network also has no knowledge or control of application resources, such as feature servers and media gateways, nor of different access types, such as wireless. NexTone's new RSM platform integrates transport and application QoS to deliver guaranteed end-to-end performance for latency-sensitive applications and services. It supports the true convergence of service and network."
The RSM can scale to support as many as 200,000 simultaneous sessions in its 8U expandable chassis, NexTone says. The system supports three independent modules: the Location Services Module (LSM), the Traffic Engineering Module (TEM), and the Route Engine Module (REM). The LSM serves as a SIP registrar and repository for route policy and endpoint information. The TEM provides centralized SLA policy enforcement and acts as an application service broker. The TEM manages the traffic flow among feature servers, media gateways, and other application devices, and can allocate resources in advance per application.
