Diameter signaling controller
The Net-Net Diameter Director, a Diameter signaling controller (DSC), addresses critical congestion control, interoperability, routing and scaling challenges in next generation Long Term Evolution (LTE) and IP Multimedia Subsystem (IMS) networks. The Net-Net Diameter Director enables the exchange of critical subscriber information based on Diameter signaling within service provider networks or across LTE IP network borders.
The Net-Net Diameter Director is a Diameter agent that provides an intermediary control function for Diameter transactions and sessions. These control functions—congestion control, mediation and routing functions—for Diameter signaling enable the seamless communication of subscriber data and reduces the mesh of Diameter connections that negatively impacts network performance, capacity and management.
The Net-Net Diameter Director leverages Acme Packet’s Net-Net OS software to offer industry-leading DSC security and control functions for Diameter signaling, performance, carrier-class availability and manageability. These functions reduce costs, streamline networks and assure availability for LTE and IMS networks. The key features include:
- High-performance, stateful Diameter processing
- Complete security and congestion control – topology hiding, encryption and rate limiting
- Interworking and mediation for Diameter, IP and transport protocols
- Routing and load balancing
- Centralized monitoring and KPI reporting
- High availability
Solutions
The Net-Net Diameter Director has broad Diameter profile support and fulfills two major functional elements defined by 3GPP: the Diameter Routing Agent (DRA) and the Subscriber Location Function (SLF). The Net-Net Diameter Director supports three major applications:
- Core Diameter routing – aggregation and management of all authentication, mobility, charging and QoS policy interfaces in a 3G, LTE or IMS core network
- LTE data and VoLTE roaming – control of authentication, QoS and charging information exchanged between visited, home and wholesale IPX/roaming hub service providers to support access to voice and data services for roaming subscribers
- Federated service delivery – secure border point between broadband providers and MVNO or Web/cloud-based services for subscriber authentication, QoS and charging information that enables new revenue-sharing business models while ensuring an optimal user experience
Service provider benefits
The rich functionality of Net-Net OS underlies the Net-Net Diameter Director, providing features that deliver key benefits to service providers building 3G, LTE and IMS networks:
- Cost-effective network scalability
- Network and service availability
- Simplified provisioning
- Secure roaming borders
- Ease of interoperability and rapid time to market
- Improved visibility
Acme Packet edge
The Net-Net Diameter Director technical advantages include:
- Scalable Diameter signaling architecture
- Comprehensive Net-SAFE security
- Rapid and dynamic interoperability
- Scalable and flexible routing policies
- SBC integration for VoLTE roaming
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