Message Flow Management Service for IoT Message Rate Control
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Solution Overview
Problem
Current M2M/IoT service layers lack the capability to dynamically control the rate of messages destined for IoT devices or applications based on their status, leading to unnecessary message processing and complexity, especially for constrained devices.
Innovation Solution
The introduction of a Message Flow Management (MFM) Service that allows IoT devices or applications to configure policies to manage message flow, including activation and deactivation criteria based on message type, priority, size, and originator, enabling dynamic control of message rates through cooperation with remote network entities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the service layer processes all incoming messages for IoT devices without dynamic control, then complete message delivery is achieved, but device resource consumption and system complexity increase significantly
Solution Approach 1:
The patent implements dynamic message flow management by introducing MFM policies that can be activated or deactivated based on device status. The system transitions from static message processing to dynamic control where message rates are adjusted according to real-time device conditions, resolving the contradiction between complete delivery and processing complexity
Solution Approach 2:
The patent changes the parameter of message rate from fixed to variable by introducing MFM policies that control message flow based on device status parameters. This allows the system to adjust message processing intensity dynamically, reducing complexity while maintaining reliability when needed
2Reliability
If the service layer processes all incoming messages for constrained IoT devices, then no messages are lost, but energy consumption and processing overhead increase
Solution Approach 1:
The patent applies partial action by processing only the necessary subset of messages based on device status. Through MFM policies, the system selectively processes messages that are critical for device operation while filtering out non-essential traffic, thereby reducing energy consumption without compromising essential message delivery
Solution Approach 2:
The patent implements feedback mechanisms where device status is monitored and used to dynamically adjust message flow rates. This closed-loop control ensures that message processing adapts to actual device conditions, optimizing energy usage while maintaining processing completeness when needed
3Productivity
If message flow rate is increased to improve data delivery speed, then productivity increases, but device resource exhaustion and network overload occur
Solution Approach 1:
The patent uses dynamic control through MFM policies to adjust message flow rates based on real-time device status. This resolves the contradiction by making message delivery speed adaptive rather than fixed, allowing high throughput when devices are healthy while preventing resource exhaustion when capacity is limited
Data Source
AI summary
A Message Flow Management (MFM) service of a service layer (SL) of a communications network enables dynamic control of the rate of particular SL messages that are destined to a target entity, such as an IoT device or application, based on its SL status or other context information.