Symbolic Address Indicator for Cross-Network Communication
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Solution Overview
Problem
Establishing a direct, secure cross-network communication connection between topologically independent communication networks is challenging due to differing security mechanisms, making it difficult to maintain communication devices across separate networks without compromising security settings.
Innovation Solution
A method involving the use of symbolic address indicators, which include unique symbolic switching, system, and application address numbers, allows for a direct cross-network communication connection to be established without modifying security settings by acting as a 'ticket' containing topology information, utilizing application-level firewalls and proxy servers to facilitate communication across topologically separate networks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional firewall concepts are used to protect private communication networks, then security is improved, but the ability to establish direct cross-network communication connections is worsened
Solution Approach 1:
The patent introduces a symbolic address indicator as an intermediary element that enables communication between networks with different address schemes. This indicator contains the necessary mapping information to translate addresses from one network's topology to another, allowing direct communication while maintaining the security boundaries established by firewalls. The symbolic address acts as a mediator that bridges the gap between topologically independent networks without requiring direct access to internal network structures.
2Reliability
If topologically independent communication networks are kept separate to maintain security settings, then security integrity is improved, but the ability to communicate between networks is worsened
Solution Approach 1:
The patent segments the address space into network-specific portions and device-specific portions. By dividing the addressing scheme into separable components, the system can maintain distinct network topologies and security boundaries while still enabling communication. Each network retains its own address structure, but the segmented nature of addresses allows for translation and mapping between networks through the symbolic address indicator, thus preserving both separation and connectivity.
3Productivity
If direct cross-network communication connections are established, then communication efficiency is improved, but security settings must be modified which worsens security integrity
Solution Approach 1:
The patent performs preliminary address translation and mapping actions before actual communication occurs. The symbolic address indicator is prepared in advance with all necessary topology information and address mappings embedded within it. This preliminary preparation allows direct communication to proceed efficiently without requiring real-time security checks or modifications, as the security-relevant translations are already completed beforehand.
Data Source
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AI summary
Between a first communication device of a first communication network and at least a second communication device of a further second communication network, unique symbolic address numbers are assigned to at least one second switching unit, the second communication device and at least one communication application provided in the second communication device with respect to the first communication network in order to establish a communication connection via at least one first switching unit connected to the first communication network and at least one second switching unit connected to at least one of the further second communication networks.A symbolic address indicator is formed from the symbolic address numbers of the second switching center intended for establishing the communication connection, at least one second communication device, and at least one of the communication applications intended for the said second communication device. Starting from the first communication device, a direct, network-crossing communication connection to the second communication device is established using the symbolic address indicator formed.