Universal Configuration References for Secure Admission Control

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Solution Overview

Problem

Conventional admission control systems lack a comprehensive and consistent method to describe the software and hardware configurations of computing entities, limiting their ability to make informed decisions about establishing secure communication sessions.

Innovation Solution

A universal reference system is introduced to exhaustively describe computing entities using a hierarchical representation of software and hardware components, enabling detailed inventory and vulnerability assessment through a lightweight reference that can be used for admission control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If conventional admission control methods are used, then the system can perform basic identity verification, but it cannot obtain comprehensive software and hardware configuration details for informed security decisions

Engineering Contradiction:
Improveconfiguration detailsVSAvoidadmission control system
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The patent segments the configuration description into hierarchical components: computing entities are divided into software components and hardware components, which are further segmented into sub-components. This segmentation allows comprehensive configuration details to be obtained through a structured, manageable hierarchy rather than attempting to capture all information at once.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent creates a universal reference structure that can represent any computing entity's configuration in a consistent, standardized format. This universal description method works across different software and hardware platforms, enabling the admission control system to handle diverse configurations uniformly without requiring platform-specific approaches.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If comprehensive configuration details are obtained through detailed inventory methods, then security assessment accuracy improves, but the time and computational resources required increase significantly

Engineering Contradiction:
Improveconfiguration identificationVSAvoidadmission control processing time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent performs preliminary actions by pre-computing and storing the hierarchical configuration descriptions in a standardized format before admission control is needed. The universal reference structure is prepared in advance, allowing the admission control system to quickly retrieve and assess configurations without performing complex inventory operations at the time of admission decision-making.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent extracts only the essential configuration information needed for security assessment into a compact universal reference format. Rather than processing complete configuration dumps, the system extracts and stores key identifiers and hierarchical relationships that can be quickly compared against security policies, reducing processing time while maintaining assessment accuracy.

Inventive Principle:
Principle #2Taking out (Extraction)

3Productivity

If a lightweight reference system is used for admission control, then processing speed improves, but the ability to exhaustively describe software and hardware components is reduced

Engineering Contradiction:
Improveadmission control processing speedVSAvoidcomponent description completeness
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

The patent implements a nested hierarchical structure where computing entities contain software components, which contain sub-components, which in turn contain hardware components and their sub-components. This nesting allows the system to represent exhaustive configuration details at each level while maintaining a compact overall structure that can be processed efficiently. The nested organization enables selective traversal of only the necessary hierarchy levels for each admission control decision.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUS12541404B2Admission control based on universal references for hardware and/or software configurations
Publication Date: 2026.02.03 CISCO TECHNOLOGY INC
  • US12541404B2 patent drawing
  • US12541404B2 patent drawing
  • US12541404B2 patent drawing

AI summary

A method, computer system, and computer program product are provided for performing admission control tasks. A universal reference for an executing application is obtained, wherein the universal reference identifies one or more components of the executing application by additional universal references assigned to the one or more components. A description of the executing application is determined by enumerating each additional universal reference of the one or more components and additional sub-components, wherein the description exhaustively identifies components and sub-components of the executing application. The identified one or more components and sub-components are assessed to perform an admission control operation between the executing application and a second application.