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    Home » Japan’s MUFG bank adopts photon-based IT resilience
    MUFG Bank IOWN All-Photonics Network
    MUFG Bank IOWN All-Photonics Network
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    Japan’s MUFG bank adopts photon-based IT resilience

    By Rennie HuangMarch 19, 2025No Comments2 Mins Read
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    • MUFG Bank tests IOWN all-photonics network for near-instant IT system migration.
    • Successful live data migration and long-distance replication enhance financial system resilience.

    What happened: MUFG bank uses photonic technology for IT stability

    Japan’s MUFG Bank, in partnership with NTT DATA and NTT WEST, has successfully tested the all-photonics network (APN) under the innovative optical and wireless network (IOWN) framework. The test demonstrated ultra-low latency, high-bandwidth data transfers, enhancing financial system resilience and disaster recovery.

    A key breakthrough was live IT system migration between data centres with downtime under one second, ensuring uninterrupted banking operations. Additionally, long-distance database replication enabled financial data to be mirrored across 2,500 km, improving system reliability.

    Banks require real-time, secure data transfers for compliance and performance. Traditional networks face latency and bottlenecks, limiting efficiency. By adopting photon-based networking, MUFG significantly reduces delays and boosts performance.

    A 2024 IOWN global forum white paper highlighted photonic technology’s role in finance. In February 2025, a technical document provided a blueprint for MUFG’s proof-of-concept (PoC) testing.

    Key PoC results:

    • Live system migration – Successful IT system transfer within a 70km radius with downtime under one second.
    • Long-distance database synchronisation – Reduced latency over 250km–2,500km, proving feasibility for geographically dispersed data centres.

    Tom Winstanley, CTO of NTT DATA UK&I, emphasised the role of advanced digital infrastructure in finance transformation. Hidehiko Tanaka, head of technology at NTT DATA, confirmed that IOWN technology accelerates next-gen financial services.

    Also read: Japan’s telcos unite to restore networks quickly after disasters

    Also read: JANOG 55 to spotlight Japan’s networking advancements

    Why it’s important

    MUFG Bank’s adoption of IOWN technology enhances IT resilience, tackling regulatory compliance, cyber threats, and performance constraints.

    Traditional IT struggles with real-time financial transactions, making data replication essential for seamless operations during outages, cyber incidents, or disasters. Near-instant system recovery strengthens security and business continuity.

    With 2,500 km database synchronisation now viable, banks can deploy failover systems across vast distances without performance loss. Photon-based communication also reduces latency and minimises cyber risks, enhancing data security.

    By integrating IOWN APN, MUFG and its partners set a new benchmark for secure, high-speed digital banking amid rapid financial sector transformation.

    All-Photonics Network financial services IOWN IT Resilience MUFG Bank NTT DATA
    Rennie Huang

    Rennie is an community engagement specialist at BTW Media, having studied at The Johns Hopkins University. Contact her at r.huang@btw.media.

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