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OpenURMA: Open-Source Implementation of Huawei's Unified Bus Protocol Released

By PulseAugur Editorial · [2 sources] ·

Researchers have developed OpenURMA, an open-source implementation of Huawei's Unified Bus (UB) protocol, designed to improve datacenter network performance. This implementation aims to address bottlenecks in modern RDMA by decoupling endpoint state from transport state, leading to reduced latency and increased throughput. OpenURMA offers a clean-room implementation across multiple tiers, including RTL, SystemC simulation, and gem5, providing a baseline for comparison against existing technologies like RoCEv2. AI

IMPACT This research could lead to more efficient datacenter networking, potentially benefiting AI training and inference infrastructure.

RANK_REASON The cluster describes a research paper detailing an open-source implementation of a specific protocol, including performance comparisons.

Read on arXiv cs.AI →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

OpenURMA: Open-Source Implementation of Huawei's Unified Bus Protocol Released

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The cluster describes a research paper detailing an open-source implementation of a specific protocol, including performance comparisons.
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122 days old
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COVERAGE [2]

  1. arXiv cs.AI TIER_1 English(EN) · Bojie Li ·

    OpenURMA: A Clean-Room Open Implementation of the Unified Bus Protocol

    arXiv:2605.28717v1 Announce Type: new Abstract: Modern datacenter RDMA is bottlenecked at the network interface, not the wire. A NIC running RoCE or InfiniBand holds per-connection state for every (application, remote-endpoint) pair - hundreds of megabytes at 1024-application fan…

  2. arXiv cs.AI TIER_1 English(EN) · Bojie Li ·

    OpenURMA: A Clean-Room Open Implementation of the Unified Bus Protocol

    Modern datacenter RDMA is bottlenecked at the network interface, not the wire. A NIC running RoCE or InfiniBand holds per-connection state for every (application, remote-endpoint) pair - hundreds of megabytes at 1024-application fanout - and pays a four-traversal PCIe round trip …

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