Mobile Core Cloud Router for Legacy Architecture Migration

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Solution Overview

Problem

Legacy mobility applications are inflexible, costly, and highly dependent on traditional telecommunications architectures, making it challenging to migrate them to cloud platforms effectively.

Innovation Solution

A virtual router device establishes a connection to a virtualized core network instance via a mobility tunneling protocol, initializes a virtualized router function based on a routing table, and routes data traffic between computing devices and the virtualized core network instance, enabling flexible and cost-effective connectivity without relying on live RAN assets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If legacy mobility applications are migrated to cloud platforms, then flexibility and cost are improved, but dependency on legacy telecommunications architectures increases

Engineering Contradiction:

ImproveflexibilityVSAvoiddependency on legacy architectures

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent introduces a virtual router device as an intermediary component that bridges cloud platforms and virtualized core network instances. This virtual router establishes mobility tunneling connections and routes data traffic between cloud-based applications and telecommunication networks, enabling cloud migration while managing dependency on legacy architectures through an abstracted interface layer

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If live RAN assets are used for connectivity, then network reliability is improved, but cost and complexity increase

Engineering Contradiction:

Improvenetwork connectivity reliabilityVSAvoiddependency on live RAN assets

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs virtualization to create virtual copies of core network functions (virtualized core network instances) that run on cloud platforms instead of requiring physical live RAN assets. The virtual router device establishes tunneling connections to these virtual instances, maintaining network reliability through replicated functionality while eliminating dependency on expensive live RAN infrastructure

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical/physical RAN asset infrastructure with a software-based virtualized network instance deployed on cloud platforms. Data traffic is routed through mobility tunneling protocols over IP networks instead of requiring dedicated physical telecommunication hardware, substituting mechanical systems with software-based alternatives

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20250219941A1Mobile core cloud connection router

Publication Date: 2025.07.03 AT&T INTELLECTUAL PROPERTY I L P

AI summary

Respective implementations facilitating a mobile core connection router are provided. A method can include establishing, by a system comprising a processor, a connection to a virtualized core network instance, associated with a first computing device, via a mobility tunneling protocol; in response to the establishing of the connection, initializing, by the system, a virtualized router function based on a routing table; and routing, by the system and via the virtualized router function, data traffic between the virtualized core network instance and a second computing device, communicatively coupled to the system and distinct from the first computing device.