Client-Side VPN Chaining for Parallel Traffic Routing
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Solution Overview
Problem
Existing VPN technologies face challenges in providing enhanced security and privacy while maintaining simplicity and efficiency, particularly in setups involving multiple VPN servers, which can be complex and costly to maintain, and may still allow for user tracking.
Innovation Solution
The implementation of local client-side VPN chaining, where an end-user device operates multiple VPN clients to capture and redirect packet traffic, enabling nested VPN tunnels for additional security and targeted filtering, and allowing for multiple user profiles and applications to use different VPN clients simultaneously, thereby masking IP addresses and locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple VPN servers are chained to improve privacy and security, then tracking resistance is enhanced, but device complexity and cost increase
Solution Approach 1:
The patent combines multiple VPN clients into a single integrated system on the end-user device, merging their functions to work together as a unified VPN chain rather than requiring separate manual configurations for each VPN service
Solution Approach 2:
The system provides multi-functional capability by enabling a single device to simultaneously manage multiple VPN connections with different purposes (e.g., one VPN for general browsing, another for specific applications), allowing one system to perform what previously required multiple separate VPN services
2Reliability
If multiple VPN servers are chained to enhance security, then IP address masking is improved, but power consumption increases
Solution Approach 1:
The system applies partial action by allowing selective use of multiple VPN clients for different traffic types or applications rather than forcing all traffic through the entire VPN chain, reducing unnecessary power consumption while maintaining adequate IP masking for each specific use case
3Reliability
If multiple VPN servers are chained to improve privacy, then security layers are increased, but connection speed decreases
Solution Approach 1:
The patent segments network traffic into different categories and routes them through appropriate VPN clients based on their security requirements, so that not all traffic must traverse multiple VPN layers, thereby maintaining security for sensitive traffic while preserving speed for less sensitive communications
4Ease of operation
If multiple VPN clients are operated simultaneously on an end-user device, then traffic filtering granularity is improved, but device resource usage increases
Solution Approach 1:
The system applies local quality by assigning different VPN clients to specific applications or traffic types based on their individual security and filtering requirements, rather than applying a uniform VPN configuration to all traffic, enabling precise control while optimizing resource allocation to only the necessary VPN connections
Data Source
AI summary
A client-side virtual private network (VPN) chaining architecture can provision multiple sessions for multiple VPN clients that are configured to communicate packet traffic in parallel between an end-user device and one or more destinations. The client-side chaining architecture can capture packet traffic per specific users/apps and process (e.g., drop) or reroute the captured packet traffic for different VPN clients. For example, packet traffic can be rerouted from a main VPN client to a secondary VPN client. As such, there can be multiple VPN clients that are simultaneously chained in various ways to the same end-user device.