Dual-Network Gateway for Cross-Network Service Discovery

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Solution Overview

Problem

Existing technologies face challenges in enabling direct connectivity and efficient service advertisement/discovery between local devices and telecommunications networks, particularly due to the need for 5G connectivity and subscriptions, which is cumbersome and often not feasible without replacing devices.

Innovation Solution

A dual-connection device that connects to both local and telecommunications networks, facilitating service advertisement and discovery by extending the local network into the telecommunications network, allowing devices to communicate directly and manage visibility and accessibility of services.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If local devices are equipped with 5G connectivity and subscriptions to connect directly to telecommunications networks, then direct connectivity and service access are improved, but device complexity and subscription management burden increase

Engineering Contradiction:
Improvedirect connectivityVSAvoidsubscription management
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

A gateway device is introduced as an intermediary between local devices and the telecommunications network. The gateway establishes a single 5G connection and subscription, then provides network address translation and service advertisement to enable multiple local devices to access telecommunication services without individual 5G subscriptions, thus reducing device complexity while maintaining direct connectivity

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If cloud services are used to enable communication between user devices and local devices, then service accessibility is improved, but connection overhead and service fragmentation increase

Engineering Contradiction:
Improveservice accessibilityVSAvoidconnection management
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges multiple cloud service connections into a single direct 5G connection through the gateway. Instead of requiring separate cloud service connections for each local device, the gateway consolidates connectivity by establishing one 5G link to the telecommunications network, then advertises local services directly to user devices, eliminating connection overhead and service fragmentation

Inventive Principle:
Principle #5Merging (Combining)

3Loss of information

If service advertisement and discovery are enabled between networks, then service visibility is improved, but network complexity and message exchange overhead increase

Engineering Contradiction:
Improveservice visibilityVSAvoidnetwork configuration
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The gateway acts as an intermediary for service advertisement and discovery. It receives service information from local devices, formats it according to telecommunication network standards, and broadcasts it to user devices. This centralized approach improves service visibility while simplifying network configuration compared to implementing distributed service discovery protocols across all devices

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12520359B2Dual-connection device enabling service advertisement and discovery of services between networks, user device and system
Publication Date: 2026.01.06 KONINK KPN NV
  • US12520359B2 patent drawing
  • US12520359B2 patent drawing
  • US12520359B2 patent drawing

AI summary

One aspect of this disclosure pertains to a dual-connection device configured to connect: to a local network as a local device, the local network connecting the dual-connection device and one or more further local devices providing one or more local services in the local network; and to a telecommunications network as a user device, wherein the telecommunications network has registered a user device group comprising the dual-connection device and one or more further user devices in the telecommunications network; The dual-connection device is further configured to enable at least one of advertisement of and discovery of at least one of the one or more local devices and one or more local services available in the local network for the one or more further user devices in the user device group in the telecommunications network. The dual-connection device may further be configured to enable at least one of advertisement of and discovery of at least one of the one or more further user devices in the user device group and one or more services provided by the one or more further user devices for the one or more local devices in the local network.