Smart Network Device Packet Processing Unit Latency Reduction

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Solution Overview

Problem

Conventional packet processing in mobile communication systems using virtualized platforms is expensive and incurs high latency due to unnecessary resource usage and additional calculations across multiple virtualization layers.

Innovation Solution

The implementation of a smart network device (SND) to perform low-latency and high-speed packet processing by offloading network operations from the CPU and improving network operations without intervention, thereby reducing delay time and enhancing packet processing performance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If virtualized platforms are used for packet processing, then network operation flexibility is improved, but processing latency increases and costs increase

Engineering Contradiction:

Improvenetwork operation flexibilityVSAvoidprocessing latency

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The patent extracts the packet processing function from the virtualized platform by introducing a dedicated packet processing unit (PPU) that handles packet processing independently. This separation removes the unnecessary virtualization overhead and additional calculations that cause latency, while maintaining network operation flexibility through the PPU's specialized processing capabilities.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces a packet processing unit (PPU) as an intermediary component between the network interface and the virtualized platform. This PPU acts as a mediator that performs packet processing directly without requiring intervention from the virtualization layer, thereby reducing latency while maintaining the flexibility benefits of virtualized networks.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If virtualized platforms are used for packet processing, then network operation flexibility is improved, but processing costs increase

Engineering Contradiction:

Improvenetwork operation flexibilityVSAvoidresource consumption

Core Design Contradiction:

Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The packet processing unit (PPU) performs packet processing autonomously without requiring continuous intervention or resources from the virtualized platform. This self-service capability allows the PPU to handle packet processing efficiently using its dedicated hardware resources, reducing the overall resource consumption compared to CPU-based virtualized processing.

Inventive Principle:

Principle #25Self-service

3Adaptability or versatility

If CPU-based processing is used, then programming flexibility is improved, but processing speed decreases

Engineering Contradiction:

Improveprogramming flexibilityVSAvoidpacket processing speed

Core Design Contradiction:

Adaptability or versatilityVSSpeed

Solution Approach 1:

The patent replaces the mechanical CPU-based processing system with a specialized packet processing unit (PPU) that uses dedicated hardware circuits for packet processing. This substitution maintains programming flexibility through the PPU's configurable processing capabilities while achieving significantly higher processing speeds due to the optimized hardware architecture that eliminates software interpretation overhead.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS20250126188A1Method and device for high-speed and low-latency packet processing using smart network devices

Publication Date: 2025.04.17 SAMSUNG ELECTRONICS CO LTD

AI summary

Disclosed is a fifth generation (5G) communication system or a sixth generation (6G) communication system for supporting higher data rates beyond a fourth generation (4G) communication system such as long term evolution (LTE). A method performed by a first device performing packet processing in a mobile communication system includes receiving, from a second device performing packet processing, a packet processing allocation request message requesting packet processing, receiving a packet, determining a packet processing method of the received packet based on the packet processing allocation request message, and performing packet processing of the received packet based on the determined packet processing method.