Evaluation of Age Control Protocol (ACP) and ACP+ on ESP32
Umut Guloglu, Sajjad Baghaee, Elif Uysal

TL;DR
This paper evaluates the performance of ACP and ACP+ protocols on ESP32 IoT devices, identifying implementation issues and proposing modifications to improve their effectiveness in low-delay wireless environments.
Contribution
It provides an experimental assessment of ACP and ACP+ on ESP32, highlighting platform-specific issues and offering simple modifications to enhance protocol performance.
Findings
Identified implementation issues of ACP/ACP+ on ESP32
Proposed modifications improve protocol performance
Modified ACP+ outperforms original in local wireless tests
Abstract
Age Control Protocol (ACP) and its enhanced version, ACP+, are recently proposed transport layer protocols to control Age of Information of data flows. This study presents an experimental evaluation of ACP and ACP+ on the ESP32 microcontroller, a currently popular IoT device. We identify several issues related to the implementation of these protocols on this platform and in general on short-haul, low-delay connections. We propose solutions to overcome these issues in the form of simple modifications to ACP+, and compare the performance of the resulting modified ACP+ with that of the original protocols on a small-delay local wireless IoT connection.
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