Network Traffic Manager Risk Scoring Before Server Forwarding

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Solution Overview

Problem

Existing network traffic management systems fail to detect and differentiate between legitimate and malicious network traffic, leading to potential data leaks and inefficient resource allocation, as they do not implement security controls before forwarding requests to servers.

Innovation Solution

Implementing a network traffic management apparatus with an evaluating unit to assess security risks, determine a risk metric, and adjust data access rights for transactions, directing them to appropriate servers based on these evaluations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If network traffic management systems forward all requests to servers without security control, then network throughput and processing speed are maintained, but security risks increase and data leaks may occur

Engineering Contradiction:
Improvenetwork securityVSAvoidsecurity control mechanism
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements preliminary security control by evaluating transactions and determining risk metrics before forwarding requests to servers. The network traffic management apparatus assesses security risks in advance and determines data access rights prior to traffic forwarding, preventing malicious traffic from reaching servers while maintaining legitimate traffic flow.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces a network traffic management apparatus as an intermediary component between clients and servers. This apparatus performs security evaluations, risk metric determinations, and data access right assignments before forwarding traffic, acting as a mediator that protects servers from malicious requests without blocking legitimate transactions.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If all network traffic is treated equally without risk assessment, then system operation is simple and fast, but resource allocation becomes inefficient and malicious traffic consumes server resources

Engineering Contradiction:
Improveresource allocation efficiencyVSAvoidtraffic evaluation and routing mechanism
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies local quality by treating different network traffic differently based on their risk characteristics. Instead of uniform treatment, the system evaluates each transaction individually, determines risk metrics, and assigns appropriate data access rights. High-risk traffic receives restricted access or is blocked, while low-risk traffic maintains full access, optimizing resource allocation based on actual risk levels.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system performs preliminary evaluation of transactions to determine risk metrics before resource allocation. By assessing security risks in advance and determining data access rights prior to traffic forwarding, the system prevents malicious traffic from consuming server resources while ensuring legitimate traffic receives appropriate resource allocation.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If security control is implemented at the network traffic management apparatus, then malicious traffic is detected and blocked before reaching servers, but processing time for security evaluation increases

Engineering Contradiction:
Improvesecurity protectionVSAvoidtransaction processing time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent implements partial security control by evaluating transactions based on their risk characteristics. Instead of applying uniform security controls to all traffic, the system determines risk metrics and applies appropriate data access rights selectively. This partial action approach maintains security protection while minimizing processing time for low-risk transactions that can be handled more quickly.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS20250330481A1Methods for security control and devices thereof
Publication Date: 2025.10.23 F5 NETWORKS INC
  • US20250330481A1 patent drawing
  • US20250330481A1 patent drawing
  • US20250330481A1 patent drawing

AI summary

Methods, non-transitory computer readable media, network traffic manager apparatuses, and systems that facilitate network security are disclosed. The method includes evaluating a security risk of a transaction and determining a risk metric for the transaction based on the evaluation. Based on the risk metric, the method further includes determining a data access right for the transaction. Then the method includes directing the transaction to a target application entity based on the data access right of the transaction.