Cloud-Managed Wi-Fi Cellular Failover With Traffic Throttling
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Solution Overview
Problem
Conventional Wi-Fi networks face challenges with interference, congestion, and coverage issues, particularly when integrating cellular connectivity for backup, leading to unreliable performance in real-time media applications and inefficient load distribution.
Innovation Solution
Implementing a cloud-based system that manages Wi-Fi networks with cellular failover, including traffic throttling, geographic limitations, base station selection, and frequency planning to optimize cellular gateway placement and operation, ensuring seamless integration and efficient resource allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Wi-Fi networks use wired connections for primary connectivity, then network stability and speed are maintained, but vulnerability to wired connection outages increases
Solution Approach 1:
The system dynamically changes network connection parameters by switching between wired and cellular connections based on detected outage conditions. The gateway device monitors connection status and automatically transitions to cellular failover when wired connections fail, optimizing reliability without requiring complex manual configuration.
Solution Approach 2:
The system prepares for potential wired connection failures by pre-configuring cellular connectivity as a backup pathway. This beforehand preparation ensures that when wired outages occur, the network can immediately transition to cellular failover without service interruption, cushioning against the harmful effect of connection loss.
2Reliability
If cellular connectivity is added as backup for Wi-Fi networks, then network reliability during outages improves, but network complexity and interference increase
Solution Approach 1:
The cloud service acts as an intermediary that manages the complexity of dual connectivity. It receives connection status information from gateway devices, determines failover requirements, and provides coordinated control signals back to the gateways. This centralized mediation simplifies individual gateway device complexity while improving overall network reliability.
Solution Approach 2:
The gateway device is designed with multi-functionality, capable of operating with both wired and cellular connections. This universal design allows the same hardware to perform multiple connection types, reducing the need for separate dedicated backup infrastructure and managing complexity through consolidated device functionality.
3Reliability
If multiple Wi-Fi networks failover to cellular simultaneously, then coverage is maintained across all networks, but cellular network congestion and load increase
Solution Approach 1:
The cloud service implements feedback mechanisms by monitoring cellular connection status and load conditions across multiple gateway devices. When congestion is detected, the system receives status information, analyzes the situation, and provides coordinated control signals to manage failover timing and distribution, thereby reducing cellular network load while maintaining connectivity reliability.
4Object-affected harmful factors
If traffic is throttled during cellular failover, then cellular network load is reduced, but application performance and user experience deteriorate
Solution Approach 1:
The system applies different quality levels of service to different applications and traffic types during cellular failover. Critical real-time applications receive higher priority and less throttling, while non-critical applications experience greater load reduction. This localized quality differentiation manages cellular network load while preserving essential service performance.
Data Source
AI summary
Systems and methods for Wi-Fi network failover to cellular connection with throttling of traffic include detecting an outage on wired connections for any of the plurality of Wi-Fi networks; determining the any of the plurality of Wi-Fi networks have switched to a cellular connection as a failover based on the outage; and determining whether to throttle traffic on any cellular connection based on the failover and instructing corresponding gateways accordingly.