Adaptive Content Transmitter for Flexible Network Access Control
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Solution Overview
Problem
Existing access control methods for content transmission over networks lack flexibility in determining whether to transmit content based on destination and transmission mode, compromising network security.
Innovation Solution
A content transmitter system that includes an input section to obtain content and transmission control information, a control section to determine and rewrite the transmission control information based on destination and transmission method, and an output section to securely transmit the content, allowing flexible access control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If access control is carried out using fixed methods (ID/password or simple authentication fields), then implementation is simple, but flexibility in controlling transmission based on destination and mode is insufficient
Solution Approach 1:
The patent applies dynamics by making the transmission control information adaptive and changeable based on transmission conditions. The control section dynamically determines whether to rewrite transmission control information based on the destination address and transmission mode, allowing the access control system to adapt flexibly to different scenarios without requiring a completely complex system architecture.
Solution Approach 2:
The patent applies local quality by implementing destination-specific and mode-specific control rules. Different transmission control information is applied to different destinations (e.g., specific IP addresses or network ranges) and different transmission modes (e.g., unicast, multicast, broadcast), allowing fine-grained access control without overwhelming system-wide complexity.
2Reliability
If transmission control information is not rewritten based on destination, then transmission process is simple, but network security cannot be ensured
Solution Approach 1:
The patent applies preliminary action by pre-defining transmission control information that includes conditions for rewriting based on destination addresses and transmission modes. The control section checks these pre-defined conditions and automatically rewrites the transmission control information when appropriate, ensuring security without requiring complex real-time decision-making processes.
Solution Approach 2:
The patent applies self-service by enabling the transmission control information to automatically determine and rewrite itself based on embedded rules about destination addresses and transmission modes. The system performs its own access control evaluation and rewriting without requiring external intervention, simplifying the overall control architecture while maintaining security.
Data Source
AI summary
A content transmitter transmits content over a network, and includes: an input section configured to obtain the content, a first kind of information indicating, based on at least one of the destination and transmission method of the content, whether transmission of the content is permitted or not, and a second kind of information specifying the destination of the content; a control section configured to determine, by reference to the first and second kinds of information, whether or not to transmit the content to the destination and rewrites the first kind of information; and an output section configured to output the content and the first kind of information that has been rewritten.