Network Fallback via Resource Request Expectations
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Solution Overview
Problem
Devices connected to networks, such as smartphones and laptops, face deteriorating connection quality due to changes in location or interference, leading to unreliable internet access, prompting the need for automatic switching to alternative connections that meet user expectations for bandwidth, speed, and request urgency.
Innovation Solution
A computer-implemented method and system that evaluates network activity based on resource request expectations, such as repeatability, idempotency, urgency, expected processing time, and minimum bandwidth, to resend resource requests from a primary network connection to a secondary connection, like cellular or WiFi, when expectations are not met.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a device uses a primary network connection (e.g., WiFi) for internet access, then connection speed and bandwidth are improved, but connection reliability deteriorates when the device moves to areas with poor signal or interference
Solution Approach 1:
The system dynamically switches between different network connections (WiFi, cellular, Ethernet) based on real-time connection quality evaluation. The network manager continuously monitors metrics such as bandwidth, latency, and packet loss, and automatically transitions to alternative connections when the primary connection deteriorates, making the network system adaptive to changing environmental conditions.
Solution Approach 2:
The system changes operational parameters by evaluating multiple connection quality metrics (bandwidth, latency, packet loss, signal strength) and switching between different network connections based on these parameter thresholds. When parameters indicate poor connection quality, the system transitions to an alternative connection with better parameters.
2Reliability
If the system automatically switches network connections to maintain quality, then connection reliability is improved, but system complexity increases due to multiple network interfaces and switching logic
Solution Approach 1:
The network manager operates autonomously to evaluate connection quality and perform switching decisions without requiring user intervention. The system self-monitors network metrics, automatically determines when switching is necessary based on predefined thresholds, and executes the transition to alternative connections, thereby managing complexity internally while presenting a simple interface to the user.
Solution Approach 2:
The network manager serves multiple functions: it monitors connection quality across different network interfaces, evaluates multiple metrics simultaneously, manages switching between various connection types (WiFi, cellular, Ethernet), and maintains active connections. This multi-functional approach consolidates complexity into a single management system.
3Ease of operation
If the system monitors network activity and switches connections based on resource request expectations, then user experience is improved, but processing overhead and time consumption increase
Solution Approach 1:
The system performs preliminary evaluation of connection quality metrics before resource requests are made. By continuously monitoring bandwidth, latency, and other parameters in advance, the network manager is prepared to quickly switch connections when deterioration is detected, rather than waiting for resource requests to fail. This proactive approach reduces the time loss associated with connection switching.
Data Source
AI summary
Methods for network fallback using resource request expectations are provided. In one aspect, a method includes receiving a resource request, the resource request including one or more request expectations. The method also includes sending the resource request to a hostname via a first network connection. The method also includes evaluating network activity in response to the sent resource request. The method also includes resending the resource request to the hostname via a second network connection based on the evaluated network activity and the one or more request expectations. Systems and machine-readable media are also provided.