This paper focuses on the signaling role that Diameter is going to play in end-to-end IP networks like LTE. Diameter’s part in service-related functions such as charging is not addressed in detail. However, Tekelec expects common protocol functions such as routing, screening and Diameter-normalization to be implemented in common but centralized Diameter-specific network elements.
The Diameter Signaling Router creates a Diameter signaling core that relieves LTE and IMS endpoints of routing, traffic management and load balancing tasks and provides a single interconnect point to other networks. The resulting architecture enables IP networks to grow incrementally and systematically to support increasing service and traffic demands. A centralized Diameter router is the ideal place to add other advanced network functionalities like address resolution, Diameter interworking and traffic steering.
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