Content-Based QoS Prioritization for Tactical Data Networks

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Solution Overview

Problem

Tactical data networks face challenges with bandwidth constraints, high latency, and data loss, and existing Quality of Service (QoS) solutions are inadequate in providing content-based prioritization and managing bandwidth efficiently, especially in volatile and bandwidth-limited environments.

Innovation Solution

A system and method for prioritizing inbound network data based on message content, using a data prioritization component to assign priority and a data communications component to manage data transmission, optimizing bandwidth use through rule-based sequencing and differentiation, and providing content-based QoS on the edge of the network.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If existing QoS solutions are used in tactical data networks, then bandwidth management is provided, but content-based prioritization is inadequate

Engineering Contradiction:
Improvecontent-based prioritization capabilityVSAvoidQoS provision reliability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent segments data traffic into different priority queues based on content analysis. The data prioritization component divides incoming data packets into multiple queues (high priority, medium priority, low priority) based on content characteristics, allowing differential handling of different data types while maintaining overall QoS reliability

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a data prioritization component as an intermediary between the network interface and application layers. This intermediary component analyzes data content, assigns priority levels, and manages queue sequencing, thereby enabling content-based prioritization without compromising the reliability of existing QoS mechanisms

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If bandwidth-constrained environments are operated without prioritization, then network simplicity is maintained, but data flow efficiency deteriorates

Engineering Contradiction:
Improvedata flow efficiencyVSAvoidnetwork processing complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies preliminary action by prioritizing and queuing data packets before transmission based on content analysis. The data prioritization component pre-processes incoming data, assigns priority levels, and organizes packets in queues before they enter the transmission pipeline, improving data flow efficiency without adding complex real-time processing during transmission

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent implements dynamic priority assignment where the prioritization scheme adapts to different data types and network conditions. The system dynamically adjusts queue sequencing based on content characteristics, allowing flexible optimization of data flow efficiency while keeping the processing mechanism adaptable rather than statically complex

Inventive Principle:
Principle #15Dynamics

3Loss of time

If critical data is prioritized in bandwidth-constrained environments, then latency for critical data is reduced, but overall network complexity increases

Engineering Contradiction:
Improvedata latencyVSAvoidprioritization system complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The patent applies local quality by providing differentiated latency treatment only to specific data packets that require prioritization. The data prioritization component identifies critical data through content analysis and assigns it to high-priority queues with reduced latency handling, while non-critical data follows standard processing, thereby reducing latency for critical data without making the entire system complex

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent enables self-service prioritization where the data prioritization component automatically analyzes content, assigns priority levels, and manages queue sequencing without external intervention. This automated self-service mechanism reduces critical data latency through intelligent prioritization while keeping the system architecture relatively simple by eliminating the need for manual configuration or complex external control

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP2038666B1Method and system for inbound content-based QOS
Publication Date: 2016.01.06 HARRIS CORP
  • EP2038666B1 patent drawingFigure 1
  • EP2038666B1 patent drawingFigure 2
  • EP2038666B1 patent drawingFigure 3

AI summary

This invention is directed to receiving data (510) at a network node followed by prioritizing data (520) then the prioritized data is communicating (520) to an application per Fig 5.