Network Device Transmit Component Power Management
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Solution Overview
Problem
Networking equipment traditionally consumes power continuously, even when data traffic is low, leading to inefficiencies in energy usage and a mismatch with emerging energy conservation standards.
Innovation Solution
Implementing a network device with a processor, network interface controller, and memory that includes communication logic to temporarily store packets and only activate the transmit portion when a threshold number of packets is reached or a timer expires, thereby reducing unnecessary power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If network equipment operates continuously to handle data traffic, then data transmission capability is maintained, but energy consumption increases
Solution Approach 1:
The network device dynamically transitions between active and low-power states based on traffic conditions. The device activates the transmit portion only when packets are available for forwarding, and enters low-power state when no packets need transmission, making the system adaptable to varying traffic demands rather than operating statically
Solution Approach 2:
The device employs periodic polling or event-triggered activation to check for packets requiring transmission. Instead of continuous operation, the transmit functionality is activated periodically or on-demand based on packet availability, creating a rhythm of active and inactive periods that reduces overall energy consumption
2Productivity
If network equipment remains active to handle traffic demands, then data processing capability is maintained, but idle power consumption increases
Solution Approach 1:
The patent extracts the transmit functionality from continuous operation and separates it into an on-demand component. The receive functionality remains active to monitor for packets, while the transmit portion is taken out of continuous operation and activated only when packets need to be forwarded, eliminating unnecessary idle power consumption
Solution Approach 2:
The network device monitors its own packet buffer status and autonomously activates or deactivates the transmit portion based on whether packets are available for transmission. The device serves itself by detecting its own traffic conditions and adjusting power state accordingly, without requiring external control
Data Source
AI summary
Described herein are devices, systems, methods, and processes for improving the energy efficiency of network devices by managing the activation of the transmit (TX) components according to data traffic demand. The embodiments enable network devices to operate in a low-power state and activate the TX component only when necessary, such as when incoming data reaches a predefined threshold volume. This approach leverages batching techniques where data is accumulated before being transmitted, reducing the constant energy draw characteristic of traditional network device operations. Additionally, priority levels may determine the activation of the TX component, with higher priority data having lower thresholds. Furthermore, network devices can coordinate data transmission based on network traffic. These embodiments facilitate a demand-responsive network environment with potential for substantial energy savings, particularly relevant in the context of global energy conservation initiatives.