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Study on on Performance Guarantee Methods for Ultra-Low Latency Bidirectional Streaming

Research Project

Project/Area Number 20K11750
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 60050:Software-related
Research InstitutionHiroshima University

Principal Investigator

fujita satoshi  広島大学, 先進理工系科学研究科(工), 教授 (40228995)

Project Period (FY) 2020-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2021: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords双方向コミュニケーション / P2P / エッジサーバ / ストリーミング / ピアツーピア / 低遅延 / 双方向通信 / 理論限界
Outline of Research at the Start

本研究課題では,ネットワーク上の複数ノードから発信される高品質のビデオストリームをそれぞれの受信ノードとの間で超低遅延かつ双方向に配信する手法について明らかにしていく.この問題は,ビデオゲームや拡張現実などのインタラクティブコンテンツを遅延の存在を意識させることなく配信・共有する状況を想定しており,目標とする遅延時間としては,現在のクラウドサーバ経由で実現される100msよりも一桁小さい10msから20msを目指している.本課題の独創的・創造的な点として,単に既存手法の改良や組み合わせのみを行うのではなく,理論的な 性能限界を評価の基軸にするという点が挙げられる.

Outline of Final Research Achievements

1. We designed a collaborative social network consisting of multiple edge servers to support two-way communication between remote users, implemented a prototype system, and measured the latency and throughput on the prototype system.
2. We implemented a prototype of communication between remote users through collaborative manipulation of 3D objects and evaluated its performance.
3. To effectively support peer-to-peer technology for video streaming, we implemented a new incentive mechanism that combines smart contracts executed on the Solana blockchain with an existing technology called T-chain, and evaluated its performance.

Academic Significance and Societal Importance of the Research Achievements

インターネット上の双方向コミュニケーションに関して三つの異なる側面から研究を遂行し,次のような学術的な知見を得た:1)アクセスパターンの変化に従って動的に構造を変えるオーバーレイネットワーク上で因果関係の保証されたメタデータの伝播が実現可能であること,2)ビデオストリームの端末間の転送ではなく,仮想オブジェクトの遠隔共有という方法によって,柔軟性の高い遠隔指導システムが実現できることが確認されたこと,3)ビデオストリーミングのピアツーピア支援を促進するインセンティブ機構がブロックチェーンを用いて実現できることが確認されたこと.いずれも具体的な実装を伴っている点に社会的な価値があると考えている.

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (12 results)

All 2022 2021 2020

All Journal Article (11 results) (of which Peer Reviewed: 11 results,  Open Access: 4 results) Presentation (1 results)

  • [Journal Article] Causality-Aware Metadata Propagation Scheme for Federated Social Network Servers2022

    • Author(s)
      Fukuyama Hiromi, Satoshi Fujita
    • Journal Title

      Proc. CANDAR Workshops

      Volume: - Pages: 7-13

    • DOI

      10.1109/candarw57323.2022.00027

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Design of Elixir-Based Edge Server for Responsive IoT Applications2022

    • Author(s)
      Yushan Li, Satoshi Fujita
    • Journal Title

      Proc. CANDAR Workshops

      Volume: - Pages: 185-191

    • DOI

      10.1109/candarw57323.2022.00039

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Similarity Search in InterPlanetary File System with the Aid of Locality Sensitive Hash2021

    • Author(s)
      Satoshi Fujita
    • Journal Title

      IEICE Transactions on Information and Systems

      Volume: E104.D Issue: 10 Pages: 1616-1623

    • DOI

      10.1587/transinf.2020EDP7198

    • NAID

      130008095641

    • ISSN
      0916-8532, 1745-1361
    • Year and Date
      2021-10-01
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Semi-Structured BitTorrent Protocol with Application to Efficient P2P Video Streaming2021

    • Author(s)
      Satoshi Fujita
    • Journal Title

      IEICE Transactions on Information and Systems

      Volume: E104.D Issue: 10 Pages: 1624-1631

    • DOI

      10.1587/transinf.2021EDP7011

    • NAID

      130008095604

    • ISSN
      0916-8532, 1745-1361
    • Year and Date
      2021-10-01
    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] An Enhancement of Physical Web with Stateful BLE Beacons2021

    • Author(s)
      Kobayashi Kakeru, Satoshi Fujita
    • Journal Title

      Proc. CANDAR 2021 Workshops

      Volume: 1 Pages: 21-27

    • DOI

      10.1109/candarw53999.2021.00011

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Browser-Based Manipulation of Virtual Objects Through MVVM Architecture with Data Binding2021

    • Author(s)
      Nagaki Kentaro, Satoshi Fujita
    • Journal Title

      Proc. CANDAR 2021

      Volume: 1 Pages: 134-140

    • DOI

      10.1109/candar53791.2021.00026

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Distributed Rewarding for Browser-Based P2P Video Streaming with Ethereum Blockchain2021

    • Author(s)
      Ma Yunqi, Satoshi Fujita
    • Journal Title

      Proc. CANDAR 2021 Workshops

      Volume: 1 Pages: 484-486

    • DOI

      10.1109/candarw53999.2021.00091

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Realtime Physics Simulation of Large Virtual Space with Docker Containers2021

    • Author(s)
      Seiji Saito, Satoshi Fujita
    • Journal Title

      Proc. PDCAT 2021

      Volume: 1 Pages: 249-260

    • DOI

      10.1007/978-3-030-96772-7_23

    • ISBN
      9783030967710, 9783030967727
    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Collaborative Illustrator with Android Tablets Communicating through WebRTC2020

    • Author(s)
      Shougo INOUE, Satoshi FUJITA
    • Journal Title

      IEICE Transactions on Information and Systems

      Volume: E103.D Issue: 12 Pages: 2518-2524

    • DOI

      10.1587/transinf.2020PAP0009

    • NAID

      130007948562

    • ISSN
      0916-8532, 1745-1361
    • Year and Date
      2020-12-01
    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Towards Fog-Assisted Virtual Reality MMOG with Ultra-Low Latency2020

    • Author(s)
      YOSHIHARA Tsuyoshi and FUJITA Satoshi
    • Journal Title

      International Journal of Computer Networks& Communications

      Volume: 12(6) Issue: 6 Pages: 33-47

    • DOI

      10.5121/ijcnc.2020.12603

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Realtime Congestion Forecasting of Remote Space Through BLE Beacons2020

    • Author(s)
      Taiki Iwao and Satoshi Fujita
    • Journal Title

      Proc. CANDAR Workshops

      Volume: 1 Pages: 1-1

    • DOI

      10.1109/candarw51189.2020.00018

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] 相互作用型XR アプリのためのフォグクラウドコンピューティング環境の構築2020

    • Author(s)
      井上 彰吾,藤田 聡
    • Organizer
      2020年度(第71回)電気・情報関連学会中国支部連合大会
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2024-01-30  

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