Network Supervision Using Emission Time Sequences

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Solution Overview

Problem

Current network supervision systems face challenges in accurately analyzing events in synchronized networks due to increased complexity, leading to potential network perturbations and false alarms, as they rely on message reception time rather than emission time, which can result in incorrect decision-making during network incidents.

Innovation Solution

A method that acquires and stores events with time stamps, detects sequences based on emission times, and generates network status messages when predefined conditions are met, improving the accuracy of alarm generation by considering the emission time interval rather than reception time.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If network supervision systems rely on message reception time for event analysis, then the system complexity is reduced, but the reliability of network security monitoring deteriorates due to false alarms and incorrect decision-making

Engineering Contradiction:

Improvesystem complexityVSAvoidreliability of network security monitoring

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent applies preliminary action by pre-storing multiple predefined scenarios with expected event sequences and time intervals before monitoring begins. When events are received, the system compares them against these pre-established scenarios to determine whether they represent normal operations or security threats, enabling reliable security monitoring without complex real-time analysis algorithms

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent introduces scenarios as an intermediary layer between raw event data and security decisions. These scenarios act as mediators that translate complex event sequences into interpretable patterns, allowing the system to make reliable security determinations by comparing received events against predefined scenario templates rather than analyzing raw events directly

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If network supervision systems use message reception time for event sequencing, then the processing simplicity is maintained, but the measurement precision of event timing deteriorates leading to inaccurate alarm generation

Engineering Contradiction:

Improveprocessing simplicityVSAvoidprecision of event timing

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The patent applies copying by creating a virtual representation of the expected event sequence through predefined scenarios. Instead of directly analyzing the timing of received messages, the system copies the expected temporal patterns into scenario definitions and compares received events against these copies, preserving processing simplicity while achieving accurate timing measurement through pattern matching

Inventive Principle:

Principle #26Copying

3Adaptability or versatility

If the number of interfacing devices accessing the network increases, then the network functionality is enhanced, but the device complexity of supervision tools increases due to the growing number of supervisory messages to process

Engineering Contradiction:

Improvenetwork functionalityVSAvoidcomplexity of supervision tools

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing supervision tools that handle multiple device types and communication protocols through a unified scenario-based framework. The same scenario comparison mechanism works across diverse interfacing devices, allowing the system to maintain low complexity while supporting enhanced network functionality through adaptable, multi-functional event processing

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9124618B2Process of reliability for the generation of warning messages on a network of synchronized data

Publication Date: 2015.09.01 CASSIDIAN SAS

AI summary

The method for reliabilization of the supervision of a network comprises: acquisition of a set of events, said events comprising a time stamp corresponding with the emission time of said event; storage of the received events; storage of at least one scenario (SC) comprising a first sequence (S1) of events to be received within a time interval threshold (ΔTs) and a first condition (CD1) to be satisfied; detection of at least a part (pS2) of a received second sequence of events (S2) similar to the first sequence (S1); determination of a second emission time interval (ΔT3) of the second sequence (S2); verification that the first condition (CD1) of the scenario (SC) is satisfied in function of the determined emission time interval (ΔT3), the time interval threshold (ΔTs) of scenario (SC), and the first sequence (S1) and the second sequence (S2) received, and generation of a second status message (M2ET).