Meshed Switching Architecture for TDM and Packet Integration
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Solution Overview
Problem
Current communication networks face challenges in combining time division multiplexed (TDM) and packet connections within a single system, as they typically require separate infrastructure and interfaces, leading to increased costs and complexity, especially when legacy systems need to support mixed traffic types.
Innovation Solution
A meshed switching architecture that allows TDM and packet connections to share common links and interfaces, utilizing a common system interface with Time Slot Interchange (TSI) and packet switching elements, enabling concurrent operation and flexible upgrades without separate physical resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate infrastructure is used for TDM and packet connections, then reliability is improved, but device complexity increases
Solution Approach 1:
The patent combines TDM and packet switching fabrics into a single unified meshed switching fabric. The meshed architecture uses common physical interfaces and shared switching resources to handle both TDM and packet traffic types simultaneously, eliminating the need for separate TDM fabric and packet fabric infrastructures while maintaining reliable connections for both traffic types.
Solution Approach 2:
The meshed switching fabric is designed to be universal, supporting multiple traffic types (TDM and packet) over common physical interfaces. The system can dynamically allocate and share switching resources between different traffic types, allowing a single infrastructure to perform multiple functions that previously required separate dedicated systems.
2Adaptability or versatility
If separate infrastructure is used for TDM and packet connections, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent merges TDM and packet switching capabilities into a unified meshed fabric that can adapt to handle different traffic types. The common physical interfaces and shared switching resources provide the adaptability needed to support multiple protocols and traffic types without requiring separate dedicated infrastructures for each.
Solution Approach 2:
The meshed switching fabric employs dynamic resource allocation and flexible configuration capabilities that allow the system to adapt its behavior based on the type of traffic being handled. The architecture can dynamically adjust to support TDM, packet, or mixed traffic types on the same physical infrastructure without requiring manual reconfiguration or separate systems.
3Ease of operation
If separate infrastructure is used for TDM and packet connections, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple infrastructure components into a single unified meshed switching system. This consolidation simplifies operation by reducing the number of separate systems that need to be managed, configured, and maintained, while the underlying architecture continues to provide the necessary functionality for both TDM and packet connections through shared resources.
Data Source
AI summary
The present invention provides systems and methods for supporting native TDM and native Packet switching simultaneously in a meshed switching architecture. Specifically with the present invention, the meshed links are common to both TDM and packet traffic, and both types terminate to a common system interface without the need to separate physical resources and infrastructure; the common termination function has access to both the TDM (Time Slot Interchange (TSI)) switching and packet switching elements. Native TDM switching and packet switching operate in concurrently in the mesh over common links, with the personality of the links derived by the card type (attached to the mesh). In this, a given card or slot in a system can communicate in the native format to both packet based cards (slots) or TDM based cards (slots) simultaneously with no preconceived restrictions or limitations on slot or link definition.