Coordinated WAN Backhaul Load Balancing Across Distinct LANs
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Solution Overview
Problem
Existing systems fail to effectively manage and optimize traffic aggregation and load balancing across multiple WAN backhauls and distinct LAN networks, leading to inefficiencies and suboptimal performance due to varying traffic demands and supply conditions.
Innovation Solution
Implementing adaptive traffic aggregation mechanisms that dynamically combine traffic across different WAN backhauls and LAN networks, utilizing techniques such as packet reordering and classification, and employing management devices to route and re-route traffic based on real-time link status and demand, enabling self-healing operations and load balancing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traffic is aggregated across multiple WAN backhauls, then bandwidth utilization and network performance are improved, but system complexity and difficulty of managing multiple distinct LAN networks increase
Solution Approach 1:
The patent combines multiple distinct LAN networks and multiple WAN backhauls into a unified network fabric managed by a single controller. This merging approach allows traffic aggregation across backhauls while presenting a simplified single-point management interface, resolving the contradiction between improved bandwidth utilization and increased system complexity.
Solution Approach 2:
The controller device performs multiple functions including traffic aggregation, load balancing, self-healing operations, and management of heterogeneous LAN networks with different IP schemes. This multi-functionality consolidates complex operations into a single universal management point, improving productivity without proportionally increasing operational complexity.
2Reliability
If adaptive traffic aggregation is implemented across multiple WAN backhauls, then network reliability and self-healing capabilities are improved, but device complexity and management difficulty increase
Solution Approach 1:
The system implements self-healing operations where the controller automatically detects link failures and re-routes traffic without human intervention. This self-service capability improves network reliability while avoiding the need for complex manual management procedures, as the system autonomously handles failure recovery.
Solution Approach 2:
The controller continuously monitors link status and traffic conditions across multiple WAN backhauls, using this feedback to dynamically adjust routing decisions. This feedback mechanism enables automatic load balancing and failover, improving reliability while maintaining manageable system complexity through automated rather than manual control.
3Adaptability or versatility
If traffic is routed across multiple distinct LAN networks with different IP address schemes, then network versatility and adaptability are improved, but measurement precision and traffic management accuracy decrease
Solution Approach 1:
The controller acts as an intermediary between distinct LAN networks with different IP address schemes and the WAN backhauls. It performs IP address translation and routing functions, enabling versatile connectivity across heterogeneous networks while maintaining precise traffic measurement and management through centralized control and unified visibility.
Data Source
AI summary
In accordance with embodiments disclosed herein, there are provided methods, systems, mechanisms, techniques, and apparatuses for traffic aggregation on multiple Wide Area Network (WAN) backhauls and multiple distinct Local Area Network (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.