Cross-Media Protocol Transmission Without Conversion
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Solution Overview
Problem
Current data transmission technologies face challenges in achieving cross-media communication between wired and wireless networks without the need for complex protocol conversion, limiting the ability for direct and consistent Layer2 encryption.
Innovation Solution
A device and method that utilize a data packet structure with a type field to determine whether to transmit user data across different communication networks, allowing for media-independent data transmission while maintaining encryption and checksum integrity, thereby eliminating the need for protocol conversion between wired and wireless networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If protocol conversion is used to enable cross-media communication between wired and wireless networks, then communication compatibility is improved, but device complexity and processing overhead increase
Solution Approach 1:
The patent extracts and removes the protocol conversion function from the communication path. By using a unified packet structure that can carry both wired and wireless protocol data without conversion, the complex protocol translation layer is eliminated, reducing device complexity while maintaining cross-media compatibility
Solution Approach 2:
The patent creates a universal packet structure that can handle multiple communication protocols (wired and wireless) simultaneously. This multi-functional packet format eliminates the need for separate protocol handling paths, achieving communication compatibility without increasing device complexity
2Adaptability or versatility
If protocol conversion is implemented for cross-media transmission, then network interoperability is improved, but transmission latency increases
Solution Approach 1:
The patent removes the protocol conversion step from the transmission path. By designing a packet structure that natively supports both wired and wireless protocols without conversion, transmission latency is reduced while network interoperability is maintained through the unified structure
3Reliability
If Layer 2 encryption is applied separately to wired and wireless networks, then security is improved for each medium, but encryption overhead and processing complexity increase
Solution Approach 1:
The patent merges the encryption processing into a single unified operation. By applying Layer 2 encryption once to the unified packet structure that carries both wired and wireless data, the patent achieves security for both media types simultaneously, reducing processing complexity compared to separate encryption operations
4Reliability
If separate protocol stacks are used for wired and wireless communication, then protocol-specific optimization is improved, but administrative effort and configuration complexity increase
Solution Approach 1:
The patent creates a universal packet structure that maintains protocol-specific optimizations while simplifying administration. The unified structure allows a single configuration to handle both wired and wireless protocols, reducing administrative effort while preserving the benefits of protocol-specific handling through the flexible packet format
Data Source
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AI summary
The invention relates to a device (100) for forwarding a payload data field from a first communications network to a second communications network. The device (100) comprises a first interface (110) which is designed to receive a data packet from the first communications network, the data packet containing a data packet header and the payload data field, the data packet header comprising a type field. The device (100) also comprises a second interface (120) designed to transmit the payload data field over the second communications network when the type field is a data value that is different from a first data value. The second interface (120) is designed to not transmit the payload data field over the second communications network when the type field comprises the first data value.