koz"Вестник Северо-Казахстанского университета имени Манаша Козыбаева"Bulletin of Manash Kozybayev North Kazakhstan University2958-003X2958-0048М. Қозыбаев атындағы СҚУ10.54596/2958-0048-2025-4-166-181koz-2313Research ArticleИНФОРМАЦИОННО-КОММУНИКАЦИОННЫЕ ТЕХНОЛОГИИINFORMATION AND COMMUNICATION TECHNOLOGIESОптимизация пропускной способности SDN посредством управления таблицами потоков: сравнительное исследование и перспективы будущих исследованийOptimising SDN throughput via flow-table management: a comparative study and future research outlookhttps://orcid.org/0000-0001-8321-9259AbdullahAzizol BinAbdullahAzizol Bin

Факультет компьютерных наук и информационных технологий.

Corresponding Author, Associate Professor, Faculty of Computer Science and Information Technology, Universiti Putra Malaysia.

Serdang

azizol@upm.edu.myMamunMd Arafat AlMamunMd Arafat Al

Факультет компьютерных наук и информационных технологий.

Student, Faculty of Computer Science and Information Technology, Universiti Putra Malaysia.

Serdang

gs65561@student.upm.edu.myAriffinAhmad AlauddinAriffinAhmad Alauddin

Факультет компьютерных наук и информационных технологий.

Lecturer, Faculty of Computer Science and Information Technology, Universiti Putra Malaysia.

Serdang

alauddin@upm.edu.myAbdullahLili Nurliyana BintiAbdullahLili Nurliyana Binti

Факультет компьютерных наук и информационных технологий.

Associate Professor, Faculty of Computer Science and Information Technology, Universiti Putra Malaysia.

Serdang

liyana@upm.edu.myDerahmanMohd Noor BinDerahmanMohd Noor Bin

Факультет компьютерных наук и информационных технологий.

Lecturer, Faculty of Computer Science and Information Technology, Universiti Putra Malaysia.

Serdang

mnoord@upm.edu.myУниверситет Путра МалайзияМалайзияUniversiti Putra MalaysiaMalaysia20251201202604 (68)166181Copyright © Abdullah A.B., Mamun M.A., Ariffin A.A., Abdullah L.B., Derahman M.B., 20252025Abdullah A.B., Mamun M.A., Ariffin A.A., Abdullah L.B., Derahman M.B.Abdullah A.B., Mamun M.A., Ariffin A.A., Abdullah L.B., Derahman M.B.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.ku.edu.kz/jour/article/view/2313

Программно-определяемые сети (SDN) изменили подход к управлению сетями, отделив контроль от плоскости передачи данных, что сделало их более гибкими и программируемыми. Однако пропускная способность по-прежнему ограничивается задержкой контроллера и ограниченным размером троичной памяти с адресацией по содержанию (TCAM) в коммутаторах. Для решения этой проблемы схемы сокращения таблиц потоков (FTRS) предлагается простое программное решение. В этой статье  исследовано, как развивалась оптимизация пропускной способности SDN, сравниваются популярные контроллеры и показаны, где FTRS может быть применен. Показаны реальные результаты внедрения FTRS на контроллере Ryu, изучено, почему это важно для стоимости и устойчивости, и описаны будущие направления, такие как использование машинного обучения и настроек с несколькими контроллерами для более умных и быстрых сетей.

Software-Defined Networking (SDN) has transformed how networks are managed by separating control from data plane, making them more flexible and programmable However, throughput performance remains constrained by controller latency and the limited size of ternary content-addressable memory (TCAM) in switches. To tackle this, Flow-Table Reduction Schemes (FTRS) offer a simple, software-driven fix. In this paper, we explore how SDN throughput optimization has evolved, compare popular controllers, and show where FTRS fits in. We share real-world results from implementing FTRS on the Ryu controller, discuss why these matters for cost and sustainability, and outline future directions like using machine learning and multi-controller setups for smarter, faster networks

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The authors declare that there are no conflicts of interest present.