High-Speed Communication Nodes Exchange Performance Models
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Solution Overview
Problem
In high-speed communication systems with multiple nodes, data accumulation in queues occurs due to differing network delays and packet loss rates, leading to reduced communication performance and inefficiencies in TCP connection management.
Innovation Solution
A high-speed communication system where nodes exchange performance model information to adjust communication rates and control TCP connections, ensuring that each node operates based on the smallest achievable throughput and increase speed, thereby reducing data accumulation in queues and maintaining high-speed communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If each TCP connection operates independently at each node, then local communication control is simplified, but data accumulates excessively in node queues
Solution Approach 1:
The patent implements feedback mechanisms where nodes exchange performance model information including queue status, throughput, and delay metrics. This enables upstream nodes to adjust their transmission rates based on downstream queue conditions, preventing excessive data accumulation while maintaining independent TCP control at each node.
Solution Approach 2:
The patent introduces performance model information as an intermediary that mediates between independent TCP connections. This information exchange acts as a signaling mechanism that coordinates traffic flow across nodes without requiring direct TCP connection management between all nodes, thus preventing queue overflow while preserving local control autonomy.
2Quantity of substance
If TCP communication rate is reduced using advertise window or pause signals, then data accumulation is prevented, but communication performance decreases due to delay
Solution Approach 1:
The patent performs preliminary actions by exchanging performance model information before data accumulation becomes critical. Nodes proactively share throughput and delay predictions, enabling upstream nodes to pre-adjust transmission rates and prevent queue overflow before it occurs, avoiding the need for reactive pause signals and their associated delays.
Solution Approach 2:
The patent uses continuous feedback of performance metrics (throughput, delay, queue status) to dynamically adjust communication rates. This real-time feedback mechanism allows nodes to optimize transmission rates proactively, preventing the need for abrupt rate reductions via pause signals and thereby minimizing communication delays.
3Reliability
If retransmission is performed upon packet loss, then data integrity is maintained, but throughput decreases and queue accumulation increases
Solution Approach 1:
The patent implements preliminary actions by using performance model information to predict and prevent packet loss conditions. Nodes exchange information about network conditions and adjust transmission rates proactively to avoid congestion that would cause packet loss, thereby maintaining throughput while ensuring data integrity without relying solely on reactive retransmission.
Data Source
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AI summary
A high-speed communication system according to the present invention includes: a plurality of nodes disposed on a communication path; and a plurality of communication connections established between the plurality of nodes. The plurality of nodes exchange a plurality of pieces of performance model information between the nodes, the plurality of pieces of performance model information representing communication performances achievable by each of the plurality of communication connections. Each of the plurality of nodes executes communication control based on any one of the plurality of pieces of performance model information.