Session Routing Node for Signaling Data Optimization
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Solution Overview
Problem
Routing an originating session from a calling party in a visited communication network to a called party is complex and network capacity consuming, as signaling and media data are not routed together, and charging participation by the serving communication network is limited.
Innovation Solution
Implementing a session routing node in the serving communication network that receives and routes signaling data directly from the home communication network to the called party via the serving communication network, optimizing routing by allowing signaling data to be routed parallel with media data and enabling charging participation by the serving network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If signaling data are routed via the home communication network to the called party, then routing compatibility and service control are maintained, but network capacity consumption increases and routing complexity increases
Solution Approach 1:
The invention introduces a roaming partner network as an intermediary entity that receives signaling data from the home communication network and forwards it to the called party in the visited network. This mediator enables the serving network to participate in charging while maintaining routing compatibility, resolving the contradiction between reliable routing and network capacity consumption.
2Adaptability or versatility
If signaling data are routed back to the serving communication network via the home communication network, then service control and charging are maintained, but routing complexity and network capacity consumption increase
Solution Approach 1:
The roaming partner network acts as an intermediary that simplifies the routing path by directly forwarding signaling data to the called party without requiring complex back-routing through the home network. This maintains service control capability while reducing routing complexity.
Solution Approach 2:
The routing function is segmented between the home communication network (which provides service control) and the roaming partner network (which handles direct forwarding). This segmentation allows each entity to perform its specific function efficiently, reducing overall routing complexity.
3Productivity
If media data are routed directly via the serving communication network, then network efficiency is improved, but signaling and media data are not routed together increasing routing complexity
Solution Approach 1:
The invention segments the routing of signaling data and media data into separate paths: media data travels directly through the serving network for efficiency, while signaling data is forwarded through the roaming partner network to maintain service control. This segmentation allows both network efficiency and proper service management to coexist.
Data Source
AI summary
A method of routing a session from a calling party in a serving communication network of the calling party to a called party is described. The serving communication network of the calling party is distinct from a home communication network of the calling party. The method is executed by a session routing node in the serving communication network of the calling party. In order to optimize a session routing path of signaling data of the session, the method comprises receiving from the home communication network of the calling party a session routing request requesting routing the signaling data of the session to the called party via the serving communication network of the calling party, and routing the signaling data of the session to the called party via the serving communication network of the calling party based on the received session routing request.