Dynamic Network Packet Priority and Routing Control

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Solution Overview

Problem

Existing network protocols fail to dynamically adjust data packet priority, security level, and route based on non-network-based events such as physical security breaches, environmental changes, or production control conditions, leading to inefficient bandwidth usage and delayed or dropped critical information.

Innovation Solution

A system and method that dynamically change the priority, security level, and route of data packets or frames based on detected events by edge devices, using event/state change detectors and priority/security/destination changers to ensure timely and secure transmission of critical data.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If network protocols use static priority, security level, and route assignment for data packets, then network infrastructure is simple to manage, but critical data during emergencies cannot be prioritized timely leading to delayed or dropped information

Engineering Contradiction:
Improvetimely transmission of critical dataVSAvoidnetwork protocol complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by making priority, security level, and route assignment dynamic rather than static. Network infrastructure devices monitor external events and automatically adjust packet handling parameters in real-time based on current conditions, allowing critical data to be prioritized when needed without permanent system reconfiguration

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements feedback mechanisms where network infrastructure devices receive information about external events (such as emergency conditions) and use this feedback to automatically adjust packet priority, security levels, and routing decisions. This closed-loop system ensures critical data is prioritized based on actual conditions rather than pre-configured static rules

Inventive Principle:
Principle #23Feedback

2Productivity

If network infrastructure devices dynamically adjust priority and route based on external events, then critical data transmission is improved, but the complexity of detecting and responding to events increases

Engineering Contradiction:
Improvedata transmission efficiencyVSAvoidevent detection complexity
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent uses event detectors as intermediary components that specialize in monitoring external conditions and converting them into network-relevant signals. These detectors act as mediators between the physical world events and the network infrastructure, simplifying the overall system by separating event detection from packet handling logic

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent segments the system into distinct functional components: event detectors that monitor external conditions, network infrastructure devices that handle packet processing, and separate control logic for adjusting priority and routing. This segmentation allows each component to be optimized independently, reducing overall system complexity

Inventive Principle:
Principle #1Segmentation

3Reliability

If all data packets are transmitted with high priority to ensure timely delivery, then critical data transmission is reliable, but bandwidth is wasted during normal operations reducing overall network efficiency

Engineering Contradiction:
Improvedata delivery guaranteeVSAvoidbandwidth wastage
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The patent applies local quality by assigning different priority levels to different data packets based on their specific characteristics and current network conditions. Instead of uniformly high priority for all traffic, the system selectively applies high priority only to packets that are actually critical at any given moment, optimizing bandwidth utilization while ensuring reliable delivery when needed

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP1891542B1Method and system for transmitting data over a network based on external non-network stimulus
Publication Date: 2018.07.25 CISCO TECHNOLOGY INC
  • EP1891542B1 patent drawingFigure 1
  • EP1891542B1 patent drawingFigure 2
  • EP1891542B1 patent drawingFigure 3

AI summary

Method, system and apparatus are provided for transmitting data over a network based on external, non-network oriented (external to the network) stimulus. A facility's physical security, environment monitoring/management, or production control system utilizing a frame-based/packet-based network includes a number of edge devices (104), an event/state change detector, a priority, security level, route specification, destination changer, a transmitter (202), and a number of destination devices (106). Edge devices generate data for the network; the event/state change detector identifies an event associated with the data; the priority, security level, route specification, destination changer changes the priority, security level, route, destination of the data, based on the detected event or state change; and the transmitter then transmits the data to an intended destination device, based on the changed priority, security level, route, and destination.