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Paper Abstract and Keywords
Presentation 2026-03-03 13:50
Improving In-Deadline Packet Arrival Rate in Multi-Buffer Adaptive Early Packet Discarding using Programmable Data Planes
Sosuke Makito, Daiki Nobayashi, Takeshi Ikenaga (KIT) SITE2025-79 IA2025-78
Abstract (in Japanese) (See Japanese page) 
(in English) Modern Internet traffic comprises diverse applications with different latency requirements, and meeting such requirements is essential for improving users’ Quality of Service (QoS). Active Queue Management (AQM) is one mechanism to satisfy these demands by suppressing queueing delay under congestion. With the spread of programmable data planes, packet processing can be flexibly designed and implemented, and research on AQM using languages such as P4 has become increasingly active. As a P4-implemented AQM, MTQ/QTL has been proposed to prevent deadline violations by embedding allowable delay information in packet headers. Furthermore, MQ-MTQ/QTL extends MTQ/QTL by introducing multi-queueing to preferentially handle packets with shorter remaining allowable delay. However, MQ-MTQ/QTL relies on fixed per-queue rate allocation; when traffic is skewed among queues, unused bandwidth can arise, which degrades the in-deadline arrival ratio and bandwidth utilization of lower-priority queues. To address this issue, we propose DRR-MTQ/QTL, which introduces Deficit Round Robin (DRR) into MQ-MTQ/QTL to schedule transmissions based on queue weights while enabling unused bandwidth to be reallocated to other queues. We implement the proposed method on P4/BMv2 and evaluate its effectiveness in Mininet using a dumbbell topology with competing flows.
Keyword (in Japanese) (See Japanese page) 
(in English) Programmable data plane / P4 / Active Queue Management / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 379, IA2025-78, pp. 15-20, March 2026.
Paper # IA2025-78 
Date of Issue 2026-02-24 (SITE, IA) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SITE2025-79 IA2025-78

Conference Information
Committee IA SITE IPSJ-IOT  
Conference Date 2026-03-03 - 2026-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Internet and Information Ethics Education, etc. 
Paper Information
Registration To IA 
Conference Code 2026-03-IA-SITE-IOT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improving In-Deadline Packet Arrival Rate in Multi-Buffer Adaptive Early Packet Discarding using Programmable Data Planes 
Sub Title (in English)  
Keyword(1) Programmable data plane  
Keyword(2) P4  
Keyword(3) Active Queue Management  
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1st Author's Name Sosuke Makito  
1st Author's Affiliation Kyushu Institute of Technology (KIT)
2nd Author's Name Daiki Nobayashi  
2nd Author's Affiliation Kyushu Institute of Technology (KIT)
3rd Author's Name Takeshi Ikenaga  
3rd Author's Affiliation Kyushu Institute of Technology (KIT)
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Speaker Author-1 
Date Time 2026-03-03 13:50:00 
Presentation Time 25 minutes 
Registration for IA 
Paper # SITE2025-79, IA2025-78 
Volume (vol) vol.125 
Number (no) no.378(SITE), no.379(IA) 
Page pp.15-20 
#Pages 6 
Date of Issue 2026-02-24 (SITE, IA) 

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