Network Device Connection Filtering by Expected Duration

Solution Overview

Problem

The increased accessibility of mobile devices to wireless networks leads to unnecessary burden on network devices due to short connections, resulting in excessive authentication, authorization, and accounting (AAA) signaling traffic, which can cause network congestion and overload.

Innovation Solution

A method and device that determine whether to accept or reject a mobile device's request to connect based on the expected connection duration, calculated using historical connection data, and implement a back-off duration for requests with expected connection durations below a threshold to optimize network resource usage and reduce signaling traffic.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If mobile devices automatically connect to wireless networks in every location, then network accessibility and convenience are improved, but network devices become overloaded due to increased authentication signaling traffic

Engineering Contradiction:

Improvenetwork accessibilityVSAvoidauthentication signaling traffic

Core Design Contradiction:

Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The system performs preliminary analysis of connection requests by examining historical connection data and calculating expected connection durations before fully processing authentication. This preliminary action filters out short-duration connections early in the process, preventing them from generating complete authentication signaling sequences and thereby reducing overall network traffic while maintaining accessibility for legitimate long-duration connections

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The invention changes the parameter of connection acceptance by introducing expected connection duration as a filtering criterion. By calculating and comparing expected connection durations against threshold values, the system dynamically adjusts which connections are permitted to proceed with full authentication, thus controlling signaling traffic volume while preserving network accessibility for valuable connections

Inventive Principle:

Principle #35Parameter changes

2Ease of operation

If short connections are permitted, then user convenience is maintained, but network resources are wasted due to unnecessary authentication, authorization, and accounting signaling

Engineering Contradiction:

Improveuser convenienceVSAvoidnetwork resource consumption

Core Design Contradiction:

Ease of operationVSLoss of energy

Solution Approach 1:

The system performs preliminary analysis of connection requests by examining historical connection data and calculating expected connection durations before fully processing authentication. This preliminary action filters out short-duration connections early in the process, preventing them from generating complete authentication signaling sequences and thereby reducing overall network traffic while maintaining accessibility for legitimate long-duration connections

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The invention changes the parameter of connection acceptance by introducing expected connection duration as a filtering criterion. By calculating and comparing expected connection durations against threshold values, the system dynamically adjusts which connections are permitted to proceed with full authentication, thus controlling signaling traffic volume while preserving network accessibility for valuable connections

Inventive Principle:

Principle #35Parameter changes

3Speed

If multiple mobile devices attempt to reconnect simultaneously, then reconnection speed is maintained, but reconnection collisions increase causing network congestion

Engineering Contradiction:

Improvereconnection speedVSAvoidreconnection collision probability

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

The system implements periodic action by distributing reconnection attempts across different time intervals based on calculated expected connection durations. Devices are scheduled to reconnect at staggered times rather than simultaneously, creating a periodic pattern that reduces collision probability while maintaining overall reconnection speed through efficient use of available network capacity

Inventive Principle:

Principle #19Periodic action

Data Source

PatentEP3031243B8Method and device for accepting or rejecting a request associated with a mobile device wirelessly connecting to a network

Publication Date: 2019.04.10 GOOGLE TECHNOLOGY HOLDINGS LLC

AI summary

A method (300) is performed in a network device for accepting or rejecting a request associated with a mobile device wirelessly connecting to a network. The method (300) includes: receiving a request from a mobile device, wherein the request is associated with the mobile device wirelessly connecting to a network (304); and determining an expected connection duration for the mobile device, which is calculated using collected historical connection data that identifies a plurality of previous wireless connections to the network and identifies a corresponding duration of each previous wireless connection (306). The method further includes determining whether to accept or reject the request based on the expected connection duration for the mobile device (310, 312, 314).