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A dataset for buffering delays due to the interaction between the Nagle algorithm and the delayed acknowledgement
Ahmad T Al-Hammouri1, Rasmus L Olsen2
1Department of Network Engineering and Security, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan.
Data in Brief
|November 12, 2021
Summary
This study quantifies TCP sender-side buffering delays in Cyber-Physical Systems (CPS) and IoT, caused by Nagle and delayed ACK algorithms. The dataset reveals significant delays impacting real-time applications.
Area of Science:
- Computer Science
- Networking
- Cyber-Physical Systems
Background:
- TCP sender-side buffering delays impact Cyber-Physical Systems (CPS) and IoT performance.
- The Nagle algorithm and delayed acknowledgement algorithm, enabled by default in most OS, can cause adverse interactions leading to these delays.
Purpose of the Study:
- To provide a dataset of buffering delays experienced at the TCP sending side for CPS and IoT research.
- To analyze the impact of sender-side buffering delays on real-time applications.
Main Methods:
- Collected buffering delay data from four operating systems: Windows, Linux, FreeBSD, and QNX.
- Utilized a three-machine setup: data source, data sink, and network emulator.
- Measured packet generation time at the application layer and transmission time on the physical network.
Main Results:
- Presented the full distribution of buffering delay samples using cumulative distribution functions (CDF).
- Quantified the amount and scale of sender-side TCP buffering delays across different operating systems.
Conclusions:
- The provided dataset offers insights into TCP sender-side buffering delays.
- This data is crucial for investigating the performance implications of these delays in CPS, IoT, and other real-time applications.
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