Name: Strategies for Rate Limiting Network Packet Ingress - Schuyler Patton & Daolin Qiu, Texas Instruments
Start: 2025-08-27T15:05:00+0200
End: 2025-08-27T15:45:00+0200

25-27, August 2025
Amsterdam, Netherlands
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Wednesday August 27, 2025 15:05 - 15:45 CEST

G102-103

A major concern of a network connected application on an embedded platform is reducing any impact from high network traffic that is unrelated to the running application. Typically, this is called network broadcast storms and network attacks. Rate limiting packet ingress is a key strategy in preventing high processor bandwidth consumption caused by a network storm. In general, rate limiting packet ingress implies intentionally dropping packets. In order to setup ingress rate limiting, several different options are possible. These options include evaluating the tc Linux utility (e.g. tc qdisc), eBPF, or simply adjusting the Ethernet PHY link speed. A demonstration of these three options in action and how they can be used to prevent high-rate ingress traffic from causing negative processor impact will be showcased. A comparison of the impact from using tc and eBPF will also be discussed. The overall goal is to use these options to drop ingress packets in order to minimize ARM microprocessor bandwidth.

Speakers

Schuyler Patton

Systems and Applications Engineer, Texas Instruments

Schuyler Patton, a Member Group Technical Staff at Texas Instruments (TI), has extensive experience working on embedded Linux systems using ARM based Micro-processor devices (MPU). He has developed expertise in various end equipment system designs that require networking and various... Read More →

Daolin Qiu

Systems and Applications Engineer, Texas Instruments

Daolin Qiu is an embedded systems application engineer at Texas Instruments (TI). Her focus areas are real-time networking and control applications using embedded Linux. She also provides technical support on low level Ethernet issues for TI customers using embedded Linux. She received... Read More →

Wednesday August 27, 2025 15:05 - 15:45 CEST
G102-103

Linux

Audience Experience Level Intermediate

Open Source Summit Europe 2025

Schuyler Patton

Daolin Qiu

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