Ultra Ethernet IP Core

( Under Development )

Ultra Ethernet IP Core is a next-generation hardware transport engine designed for AI, HPC, and data centre networking applications. Built on a proven RoCEv2 architecture, it accelerates RDMA communication with advanced Ultra Ethernet features including packet spraying, multipath transport, adaptive congestion control, endpoint reliability, and comprehensive telemetry. The IP enables scalable, low-latency, high-bandwidth communication over standard 100G to 800G Ethernet infrastructures while reducing CPU overhead and maximizing network efficiency.

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Features Details
Ultra Ethernet IP Core
  • Advanced UEC Transport Engine with hardware acceleration for next-generation AI and HPC Ethernet fabrics.
  • Up to 800G Ethernet Support with scalable multi-port architecture support with standard AXI4-Stream or Avalon-ST interfaces.
  • RoCEv2 Compatible RDMA Operations, including RDMA Read, RDMA Write, Send, and Receive.
  • Reliable Connection (RC) and Unreliable Datagram (UD) transport modes.
  • Integrated Queue Pair (QP), Completion Queue (CQ), and Memory Region (MR) Management.
  • Hardware Packet Spraying for efficient packet-level load balancing across multiple network paths.
  • Multi-Path Transport Engine with dynamic path selection, load balancing, and automatic failover.
  • Enhanced Endpoint Reliability with packet loss detection, selective retransmission, and sequence management.
  • Out-of-Order Packet Handling with integrated reorder buffer for efficient packet reassembly.
  • Adaptive Congestion Control supporting ECN-based feedback, traffic pacing, and intelligent rate control.
  • Advanced RDMA Offload with full support for RoCEv2 operations including RDMA Read, Write, Send, and Receive.
  • AXI4-Lite Management Interface for runtime configuration, diagnostics, and performance monitoring.
  • Linux RDMA Verbs Compatible Software Stack enabling seamless integration with existing RoCEv2 applications and providing an easy migration path to UEC Advanced features.

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