Network Interface Device Provisioning for Dynamic Bandwidth Allocation

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Solution Overview

Problem

Conventional Passive Optical Networking (PON) systems face limitations such as constrained upstream bandwidth, network inflexibility, and inefficient bandwidth allocation due to passive optical splitters, hindering high-speed, symmetrical broadband services.

Innovation Solution

A network interface device (NID) with an on-board controller that processes initial and final configuration files during boot-up, enabling dynamic bandwidth allocation and security features like geo-fencing, using active optical networking and managed switches, and employing a multi-step automated configuration process to ensure efficient network integration and security.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If passive optical splitters are used to share fiber links among multiple users, then infrastructure costs are reduced, but upstream bandwidth is constrained and network flexibility is limited

Engineering Contradiction:

Improveinfrastructure costVSAvoidnetwork flexibility

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent introduces dynamic bandwidth allocation capabilities through active network interface devices that can adaptively manage upstream bandwidth based on real-time user demands. The system transitions from static passive optical networking to dynamic active networking, allowing the network to reconfigure bandwidth allocation on-demand rather than being constrained by fixed passive splitter architecture.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The invention changes the operational parameters of the network by introducing active elements that can dynamically adjust bandwidth allocation, signal processing, and data transmission parameters. This allows the system to optimize performance based on actual usage patterns while maintaining cost-effective infrastructure.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If passive optical splitters are used for upstream data transmission, then multiple users can share a common fiber link, but upstream bandwidth is constrained to a fraction of total available bandwidth

Engineering Contradiction:

Improvebandwidth sharing efficiencyVSAvoidupstream bandwidth

Core Design Contradiction:

ProductivityVSQuantity of substance

Solution Approach 1:

The patent implements dynamic bandwidth allocation where active network interface devices can adaptively manage upstream bandwidth based on real-time user demands. The system transitions from static passive optical networking to dynamic active networking, allowing the network to reconfigure bandwidth allocation on-demand rather than being constrained by fixed passive splitter architecture.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system incorporates feedback mechanisms where network interface devices monitor upstream traffic conditions and user demands, then adjust bandwidth allocation accordingly. This feedback-driven approach optimizes the utilization of upstream bandwidth, ensuring that users receive adequate service levels while maximizing the efficiency of the shared fiber infrastructure.

Inventive Principle:

Principle #23Feedback

3Device complexity

If the fiber segment from optical splitter to NID operates at the same speed as backhaul portion, then network simplicity is maintained, but network flexibility and efficiency are constrained

Engineering Contradiction:

Improvenetwork simplicityVSAvoidbandwidth allocation flexibility

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The invention segments the network into distinct functional portions with different performance characteristics. The access portion (from splitter to NID) and backhaul portion are treated as separate segments that can be optimized independently, allowing the access segment to operate at higher speeds when needed while maintaining overall network simplicity through modular architecture.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250254087A1System and method for configuring a network interface device

Publication Date: 2025.08.07 TRANGO NETWORKS LLC

AI summary

A system method for provisioning a network interface device comprising providing a network interface device having a controller for controlling the network device and a plurality of ports, wherein one or more of the plurality of ports are associated with a user, wherein the controller includes memory for storing an initial configuration file associated with the network device, storing the initial configuration file and generating from the initial configuration file a final configuration file based on network interface device related information, including Quality of Service information and device identification information, processing the initial configuration by the network interface device when a boot sequence is initiated, receiving address information associated with the network interface device, locating and downloading by the network interface device the final configuration file, and automatically rebooting the network interface device to process the final configuration file.