Multi-WAN Traffic Balancing With Self-Healing LAN Backhaul Routing

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Solution Overview

Problem

Existing systems and methods for traffic aggregation and load balancing on multiple WAN backhauls and multiple distinct LAN networks are not yet optimized for enhanced management and control, leading to inefficiencies and suboptimal performance.

Innovation Solution

Implementing a system with adaptive traffic aggregation and selective routing of traffic over multiple WAN connections, utilizing multiple LAN devices, and performing self-healing operations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If static traffic aggregation implementations are used, then system simplicity is maintained, but bandwidth utilization efficiency deteriorates due to inability to adapt to bursty traffic and varying bandwidth supply

Engineering Contradiction:
Improvebandwidth utilization efficiencyVSAvoidtraffic aggregation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements dynamic traffic aggregation where the system continuously monitors bandwidth supply and demand characteristics across multiple WAN backhauls and LAN networks, and automatically adjusts traffic routing decisions in real-time based on current network conditions, transforming static aggregation into an adaptive dynamic system that optimizes bandwidth utilization

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system incorporates feedback mechanisms that monitor network performance metrics, bandwidth availability, and traffic patterns, then use this information to dynamically adjust aggregation policies and routing decisions, creating a closed-loop control system that continuously improves bandwidth utilization based on actual network conditions

Inventive Principle:
Principle #23Feedback

2Reliability

If multiple WAN backhauls are used without adaptive management, then redundancy is provided, but service reliability deteriorates due to inability to perform self-healing operations

Engineering Contradiction:
Improveservice continuityVSAvoidadaptive traffic management capability
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent implements self-healing operations where the traffic aggregation system automatically detects network failures, identifies alternative paths through monitored WAN backhauls and LAN networks, and reroutes traffic without human intervention, enabling the system to self-correct and maintain service continuity

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system performs preliminary monitoring and characterization of multiple WAN backhaul connections and LAN networks, maintaining knowledge of alternative paths and their capabilities in advance, so that when failures occur, pre-evaluated rerouting options can be immediately activated to maintain service reliability

Inventive Principle:
Principle #10Preliminary action

3Productivity

If manual LAN management is used, then operational simplicity is maintained, but network efficiency deteriorates due to inability to address WAN configuration issues

Engineering Contradiction:
Improvenetwork efficiencyVSAvoidmanagement system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent creates a unified management system that handles both LAN and WAN configurations through a single interface, enabling end users to manage their LAN while the system simultaneously monitors and optimizes WAN backhaul utilization, providing multi-functional management capabilities that improve overall network efficiency

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP3349404B1Systems and methods for traffic load balancing on multiple wan backhauls and multiple distinct LAN networks
Publication Date: 2026.05.13 ADAPTIVE SPECTRUM AND SIGNAL ALIGNMENT INC(US)
  • EP3349404B1 patent drawingFigure 1
  • EP3349404B1 patent drawingFigure 2A
  • EP3349404B1 patent drawingFigure 2B

AI summary

In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple WAN backhauls and multiple distinct LAN networks; for traffic load balancing on multiple WAN backhauls and multiple distinct LAN networks; and for performing self-healing operations utilizing multiple WAN backhauls serving multiple distinct LAN networks. For example, in one embodiment, a first Local Area Network (LAN) access device is to establish a first LAN; a second LAN access device is to establish a second LAN; a first Wide Area Network (WAN) backhaul connection is to provide the first LAN access device with WAN connectivity; a second WAN backhaul connection to provide the second LAN access device with WAN connectivity; a management device is communicatively interfaced with each of the first LAN access device, the second LAN access device, the first WAN backhaul connection, and the second WAN backhaul connection; and the management device routes a first portion of traffic originating from the first LAN over the first WAN backhaul connection and routes a second portion of the traffic originating from the first LAN over the second WAN backhaul connection.