TCP Tunnel Packet Routing for Secure Remote Device Control
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Solution Overview
Problem
Cloud-based networks face challenges in securely and efficiently controlling and monitoring devices across geographically separate networks due to firewalls and the time-consuming nature of logging into unique devices, making administrative and monitoring tasks difficult.
Innovation Solution
A system utilizing a network access device that establishes an encrypted connection with a host via TCP, routes packets through a TCP tunnel client program for encryption, signing, and fragmentation, and sends them to a remote endpoint using TCP, enabling secure and efficient control and monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional logging into unique devices is used for control and monitoring, then direct access to devices is achieved, but the process becomes time-consuming and complex due to firewalls and geographic separation
Solution Approach 1:
The patent introduces a tunnel server and tunnel client as intermediary components that establish encrypted communication channels between the user's computing device and remote network devices. Instead of directly logging into each device, the system uses these intermediary tunnel components to facilitate secure access, thereby reducing the time and complexity of control and monitoring operations across geographically separated networks
2Reliability
If encrypted connections are established for secure control, then security is improved, but the complexity of setting up and managing connections increases
Solution Approach 1:
The tunnel server and tunnel client are designed as universal components that can establish encrypted connections with multiple network devices simultaneously. The system provides a unified interface and standardized protocol for securing communications, eliminating the need to configure separate security mechanisms for each device. This multi-functional approach maintains high security while reducing the overall complexity of connection management
Data Source
AI summary
A system and method for cloud-based control of network devices is provided. An encrypted connection is established by a network access device with a host using a transmission control protocol (TCP). The network access device determines that a packet to be transmitted to the host is to be routed via a TCP tunnel client program. Based on the determination, the network access device sends the packet to the TCP tunnel client program. The TCP tunnel client program encrypts, signs, and fragments the packet, and the network access device sends the encrypted packet to a remote endpoint associated with the host using the TCP.