Peer-to-Peer Relay Load Control Through Priority Backoff
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Solution Overview
Problem
In high-usage situations, such as emergencies or disasters, communication networks become congested, preventing devices from connecting or causing delays in relay communications, especially when many devices attempt to use limited or unavailable terrestrial or non-terrestrial networks.
Innovation Solution
A relay device prioritizes messages based on priority thresholds, processing high-priority messages while transmitting backoff messages to lower-priority devices, thereby managing network congestion and ensuring timely communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If relay communications are used to maintain connectivity during network congestion, then communication availability is improved, but network bandwidth usage increases and causes delays
Solution Approach 1:
The patent changes the parameter of message priority levels to differentiate between high-priority and low-priority communications. By assigning different priority levels to messages, the system can selectively relay high-priority messages while discarding low-priority ones during congestion, thus maintaining communication availability for critical messages while reducing overall network bandwidth usage.
2Loss of information
If all received messages are relayed to remote devices, then communication completeness is improved, but relay device computation resource usage increases
Solution Approach 1:
The patent introduces a priority level parameter for messages and uses it to filter which messages should be relayed. The relay device evaluates the priority parameter of each received message and selectively relays only those messages that meet a priority threshold, thereby reducing computation resource usage while ensuring that complete communication of high-priority information is maintained.
3Productivity
If priority-based message selection is implemented, then network efficiency is improved, but device complexity increases
Solution Approach 1:
The patent uses a simple priority level parameter and threshold comparison mechanism to achieve efficient message selection. Instead of implementing complex routing algorithms or intelligent decision-making systems, the relay device simply compares the priority parameter of each message against a predefined threshold, making the decision process straightforward and easy to implement while still achieving significant network efficiency improvements.
Data Source
AI summary
Implementations relate to identifying an event disrupting connectivity to a first network; determining, for an apparatus, that the apparatus has a connection to a second network; transmitting a message indicating to one or more neighboring devices that the apparatus has network connectivity; receiving a first relay request from a first device and a second relay request from a second device; forwarding, using the connection to the second network, a message associated with the first relay request; and transmitting, to the second device, a backoff message.