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<!doctype html>
<html lang="en">

  <head>
    <meta charset="utf-8">

    <title>Open5GS – ETRI 2025</title>

    <meta name="description" content="Open5GS Status and Recent Developments for ETRI 2025">
    <meta name="author" content="Sukchan Lee">

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  <body>

    <div class="reveal">

      <!-- Any section element inside of this container is displayed as a slide -->
      <div class="slides">
        <!-- 1. Title Slide -->
        <section>
          <h2>
            <a href="https://open5gs.org" target="_blank">Open5GS</a> Project Status and Latest Developments
          </h2>
          <p><small>Invited Expert Seminar Hosted by the Cyber Security Research Division of ETRI</small></p>
          <p><small>July 24, 2025</small></p>
          <p style="text-align: right;">Sukchan Lee (Author, Open5GS)</p>
        </section>

        <!-- 2. What is Open5GS? -->
        <section style="text-align: left;">
          <h2>What is Open5GS?</h2>
          <ul>
            <li><strong>Open Source 4G/5G Core Network</strong></li>
              <small>
                Complete EPC (4G) and 5G Core implementation
              </small>
            <li><strong>Started as Personal Project in 2017</strong></li>
              <small>
                Originally NextEPC, forked to Open5GS in 2019
              </small>
            <li><strong>8+ Years of Continuous Development</strong></li>
              <small>
                Proven stability and maturity through long-term evolution
              </small>
            <li><strong>Independent Community Project</strong></li>
              <small>
                  No external funding or corporate backing since inception
              </small>
          </ul>
        </section>

        <!-- 3. Open5GS vs Competitors -->
        <section>
            <h2>Open5GS vs Competitors</h2>

            <div class="three-column">
                <div class="info-box">
                    <h4 style="color: #42affa;" class="box-title">Open5GS</h4>
                    <div class="small-text">
                        Integrated 4G & 5G<br>
                        Enterprise-focused<br>
                        AGPL 3.0
                    </div>
                </div>

                <div class="content-box" style="background: rgba(255,193,7,0.1); border-color: #ffc107;">
                    <h4 style="color: #ffc107;" class="box-title">OpenAirInterface</h4>
                    <div class="small-text">
                        End-to-End RAN + Core<br>
                        Research Platform<br>
                        OAI Public v1.1
                    </div>
                </div>

                <div class="content-box" style="background: rgba(156,39,176,0.1); border-color: #9c27b0;">
                    <h4 style="color: #9c27b0;" class="box-title">free5GC</h4>
                    <div class="small-text">
                        Standalone 5G Core<br>
                        Easy PoC Setup<br>
                        Apache 2.0<br>
                    </div>
                </div>
            </div>

            <div class="success-box">
                <p class="medium-text"><strong>🚀 Open5GS: Only production-ready open source 5G Core with proven commercial deployments</strong></p>
            </div>
        </section>

        <!-- 4. Global Commercial Use Cases -->
        <section style="text-align: left;">
          <h2>Global Commercial Use Cases</h2>
          <ul>
            <li><strong>RAKwireless (Hong Kong)</strong></li>
              <small>
                World's first all-in-one 5G Hotspot with embedded Open5GS core
              </small>
            <li><strong>Seattle Community Network (USA)</strong></li>
              <small>
                Community LTE services for digitally underserved areas
              </small>
            <li><strong>ng-voice (Germany)</strong></li>
              <small>
                Cloud-native IMS/VoLTE solution validation platform
              </small>
            <li><strong>P1 Security (France)</strong></li>
              <small>
                5G security research and penetration testing tool development
              </small>
          </ul>
        </section>

        <!-- 6. Research & Academic Deployment -->
        <section style="text-align: left;">
          <h2>Research & Academic Deployment</h2>
          <ul>
            <li><strong>NSF PAWR ARA Testbed (USA)</strong></li>
              <small>
                Commercial Ericsson RAN + Open5GS core for rural 5G demonstration
              </small>
            <li><strong>Northeastern University (USA)</strong></li>
              <small>
                NVIDIA collaboration for Kubernetes-based 5G SA experiments
              </small>
            <li><strong>Altice Labs (Portugal)</strong></li>
              <small>
                Core component of EU open 5G experimental networks
              </small>
            <li><strong>NIST, University of Luxembourg</strong></li>
              <small>
                5G O-RAN, satellite-5G integration research infrastructure
              </small>
          </ul>
        </section>

        <!-- 7. Key Technical Achievements -->
        <section style="text-align: left;">
          <h2>Key Technical Achievements</h2>

          <div class="two-column">
            <div class="success-box">
              <h4 class="box-title" style="color: #4caf50;">Standards & Core Archi</h4>
              <ul class="small-text">
                <li><strong>3GPP Release-17:</strong> Core compliance</li>
                <li><strong>Microservices:</strong> Cloud-native design</li>
                <li><strong>Interoperability:</strong> Works with commercial RAN</li>
              </ul>
            </div>

            <div class="warning-box">
              <h4 class="box-title" style="color: #f44336;">Security & Operations</h4>
              <ul class="small-text">
                <li><strong>SUCI Protection:</strong> Profile A/B encryption</li>
                <li><strong>TLS Support:</strong> Per-interface configuration</li>
                <li><strong>Monitoring:</strong> Prometheus integration</li>
              </ul>
            </div>
          </div>
        </section>

        <!-- 8. July 2025 Major Achievement: Complete 5G Roaming -->
        <section style="text-align: left;">
          <h2>🎉 Recent Major Achievement: Complete 5G Roaming</h2>
          <ul>
            <li><strong>Full 5G roaming functionality merged to main branch!</strong></li>
              <small>
                Both LBO (Local Breakout) and HR (Home Routed) supported
              </small>
            <li><strong>Built-in test framework included</strong></li>
              <small>
                Self-contained test environment since UERANSIM lacks roaming support
              </small>
            <li><strong>Comprehensive tutorial guide</strong></li>
              <small>
                Step-by-step guide from build to configuration and testing
              </small>
            <li><strong>Packet capture examples provided</strong></li>
              <small>
                Real traffic analysis materials for LBO/HR scenarios
              </small>
          </ul>
        </section>

        <!-- 9. 5G Roaming Architecture Implementation -->
        <section style="text-align: left;">
          <h2>
            5G Roaming Architecture Implementation
          </h2>
          <div style="display: flex; align-items: center;">
            <div style="flex: 1;">
              <ul>
                <li><strong>SEPP Fully Implemented</strong></li>
                  <small>Security Edge Protection Proxy</small>
                <li><strong>N32 Interface</strong></li>
                  <small>Secure TLS communication between operators</small>
                <li><strong>FQDN-based Routing</strong></li>
                  <small>Automatic routing via PLMN identifiers</small>
              </ul>
            </div>
            <div style="flex: 1;">
              <img height="300px" data-src="https://open5gs.org/assets/img/roaming-hr.png" alt="5G Roaming">
            </div>
          </div>
        </section>

        <!-- 10. Community & Ecosystem -->
        <section style="text-align: left;">
          <h2>Community & Ecosystem</h2>

          <div class="two-column">
            <div class="success-box">
              <h4 class="box-title" style="color: #4caf50;">Global Community</h4>
              <ul class="small-text">
                <li><strong>100+ Contributors</strong> worldwide</li>
                <li><strong>2,000+ GitHub Stars</strong> interest</li>
                <li>Advisory Collaboration with Osmocom</li>
              </ul>
            </div>

            <div class="info-box">
              <h4 class="box-title" style="color: #42affa;">Industry Partners</h4>
              <ul class="small-text">
                <li><strong>Sponsors:</strong> Mobi, WaveMobile, Coral Telecom + 10 more</li>
                <li><strong>Commercial:</strong> NewPlane, NextEPC, sysmocom</li>
              </ul>
            </div>
          </div>

          <div class="content-box">
            <p class="small-text">
              <strong>📈 From hobby project to industry-standard reference</strong>
            </p>
          </div>
        </section>

        <!-- 11. Recent Major Enhancements -->
        <section style="text-align: left;">
          <h2>Recent Major Enhancements (2024-2025)</h2>
          <ul>
            <li><strong>Complete Configuration System Redesign</strong></li>
              <small>
                Flexible server/client architecture supporting complex deployments
              </small>
            <li><strong>Enhanced Security Implementation</strong></li>
              <small>
                Per-interface TLS configuration, certificate management
              </small>
            <li><strong>Operational Monitoring</strong></li>
              <small>
                Prometheus metrics integration for production environments
              </small>
            <li><strong>Industrial IoT Support</strong></li>
              <small>
                Framed Routing for multi-IP range connectivity scenarios
              </small>
          </ul>
        </section>

        <!-- 12. 2025 Roadmap -->
        <section style="text-align: left;">
          <h2>2025 Roadmap</h2>
          <ul>
            <li><strong>Q3 2025: Next-Generation Features</strong></li>
              <small>
                Roaming stability improvements and Release-18 key features
              </small>
            <li><strong>Q4 2025: Performance Revolution</strong></li>
              <small>
                eBPF/XDP-based high-performance UPF or integration with existing solutions
              </small>
            <li><strong>Continuous: Usability Enhancement</strong></li>
              <small>
                CLI tools, configuration simplification, documentation improvement
              </small>
            <li><strong>Long-term: 6G Preparation</strong></li>
              <small>
                AI/ML integration, satellite connectivity, ultra-low latency services
              </small>
          </ul>
        </section>

        <!-- 13. Working Together -->
        <section style="text-align: left;">
          <h2>Working Together</h2>

          <div class="info-box">
            <h3 class="box-title" style="color: #42affa;">Community-Driven Development</h3>
            <p class="small-text">Independent volunteer-based open source project</p>
          </div>

          <div class="two-column">
            <div class="success-box">
              <h4 class="box-title" style="color: #4caf50;">✅ What We Do</h4>
              <ul class="small-text">
                <li><strong>Critical bugs:</strong> Fast resolution</li>
                <li><strong>Security vulnerabilities:</strong> Immediate fixes</li>
              </ul>
            </div>

            <div class="warning-box">
              <h4 class="box-title" style="color: #f44336;">⚠️ Limitations</h4>
              <ul class="small-text">
                <li><strong>troubleshooting:</strong> Not provided</li>
                <li><strong>No paid work:</strong> Volunteer-only</li>
              </ul>
            </div>
          </div>

          <div class="content-box">
            <p class="small-text">
                I personally provide supplementary support to select research institutes and industry collaborators on an ad‑hoc basis.
            </p>
          </div>
        </section>

        <!-- 14. Thank You -->
        <section style="text-align: left;">
          <h1>Thank You</h1>
          <p>
            Questions and Discussion Welcome
          </p>
          <p>
            <small>
              Open5GS: <a href="https://open5gs.org" target="_blank">https://open5gs.org</a><br>
              GitHub: <a href="https://github.com/open5gs/open5gs" target="_blank">https://github.com/open5gs/open5gs</a><br>
              Discord: <a href="https://discord.com/invite/GreNkuc" target="_blank">discord.com/invite/GreNkuc</a><br>
              Roaming Tutorial: <a href="https://open5gs.org/open5gs/docs/tutorial/05-roaming/" target="_blank">05-roaming tutorial</a>
            </small>
          </p>
        </section>
      </div>

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