Local Network Device Node Authorization Update Mechanism

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Solution Overview

Problem

The proliferation of network-enabled devices, particularly in the IoT, poses challenges in securing these devices, including determining authorized users and managing interactions, as different devices have varying security concerns, necessitating new solutions for ensuring access control and security.

Innovation Solution

The techniques involve updating operational parameters of device nodes in a local network by generating and transmitting update packages, allowing only authorized user-operated devices to access, using a server to manage access lists and ensure security through real-time updates, even if unauthorized devices attempt to connect.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a device node allows multiple user-operated devices to access it, then the ease of operation is improved, but the security is worsened due to potential unauthorized access

Engineering Contradiction:

Improveaccess controlVSAvoidunauthorized access

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by maintaining an updated list of authorized user-operated devices and delivering update packages containing authorization information before access attempts occur. The device node evaluates whether received update packages are more recent than previously received packages and updates its internally stored list accordingly, ensuring authorization status is established before access is granted or denied.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms where the device node receives update packages from user-operated devices, evaluates their recency, and updates its authorization list based on the received information. This continuous feedback loop ensures that the most current authorization status is maintained, allowing the system to respond dynamically to changes in device authorization.

Inventive Principle:

Principle #23Feedback

2Reliability

If the device node frequently updates its operational parameters, then the reliability of security is improved, but the loss of time for synchronization is worsened

Engineering Contradiction:

Improvesecurity updateVSAvoidsynchronization time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The system applies partial action by selectively updating only the authorization list within operational parameters rather than performing complete system updates. The device node evaluates whether received update packages are more recent than previously received packages and updates only when necessary, avoiding unnecessary full synchronization cycles and reducing time loss while maintaining security reliability.

Inventive Principle:

Principle #16Partial or excessive action

Data Source

PatentUS11658865B2Updating devices in a local network of interconnected devices

Publication Date: 2023.05.23 DELPHIAN SYSTEMS LLC

AI summary

Methods, systems, apparatuses, and computer-readable media for updating an operational parameter of a device of a local network of interconnected devices are provided. A user-operated device, in association with an attempt to access the device, may provide an update to the operational parameter of the device. The user-operated device may send the update to the operational parameter before sending the device an operational command. The device may apply the update received from the user-operated device before performing an operation corresponding to the operational command.