SSL Cross-Wiring and Protocol Switching for Firewall Traversal
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Solution Overview
Problem
Existing systems face challenges in establishing secure and efficient inter-network connectivity between different cloud computing environments and data centers, particularly due to network and security constraints imposed by firewalls and load balancers, which hinder seamless communication and resource access.
Innovation Solution
A transporter system is employed to facilitate secure inter-network connectivity by using protocol switching and cross-wiring, allowing data channels to transition from SSL connections to basic socket channels, enabling uninterpreted data exchange without requiring additional configuration in the target network environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If SSL connections are used for secure inter-network communication, then security is improved, but protocol compatibility and firewall traversal capability deteriorate
Solution Approach 1:
The system dynamically changes protocol parameters by switching between SSL and non-SSL modes based on network conditions and firewall rules. The transporter can establish connections using SSL when security is required, then switch to basic socket connections when protocol compatibility or firewall traversal is needed, resolving the contradiction between security and adaptability.
Solution Approach 2:
The transporter implements dynamic protocol selection, adapting its communication mode in real-time based on the target network environment. It can transition from SSL-encrypted connections to plain socket connections and vice versa, allowing the system to maintain security when possible while ensuring compatibility when required.
2Adaptability or versatility
If protocol switching is implemented to overcome network restrictions, then adaptability is improved, but system complexity deteriorates
Solution Approach 1:
The transporter acts as an intermediary component that handles protocol switching and cross-wiring complexity centrally. Rather than distributing complexity across multiple systems, the transporter consolidates the intelligence for protocol selection and channel management in a single component, reducing overall system complexity while maintaining high adaptability.
Solution Approach 2:
The transporter is designed as a universal component capable of handling multiple protocols (SSL, basic sockets) and multiple network environments through a single unified interface. This multi-functionality eliminates the need for separate specialized components for different protocols, reducing system complexity while maintaining broad adaptability.
3Adaptability or versatility
If cross-wiring is used to establish data channels between networks, then connectivity is improved, but configuration complexity in target environment deteriorates
Solution Approach 1:
The transporter performs preliminary actions by pre-establishing command channels and data channels before actual data transfer begins. It proactively sets up the cross-wired connections and configures the necessary channels in advance, eliminating the need for complex runtime configuration in the target environment and simplifying deployment.
Data Source
AI summary
Aspects of protocol switching and cross-wiring to enable inter-network connectivity are described. For example, a transporter system including a transporter server and a transporter client can securely connect applications to resources in differing networked environments (e.g., clouds and/or data centers). The transporter client may establish data channels as secure socket layer (SSL) connections (e.g., Secure Websockets (WSS)) between a resource in one networked environment and a transporter server that is in communication via a proxy channel with an initiator device in another networked environment. Upon completing the build of a data path between the initiator device and the resource, the handling protocol of the data channels that are established as SSL connections can be modified to a basic socket-level channel (e.g., transmission control protocol, user datagram protocol, etc.) to permit socket-level data stream communications without restrictions.