The RoCE (RDMA over Converged Ethernet) IP is a high-bandwidth network interface solution designed to minimize CPU overhead and latency. By enabling Remote Direct Memory Access over Ethernet, it allows systems to access remote memory directly, bypassing the traditional kernel and operating system network stack. This makes it ideal for high-performance computing (HPC), data centers, and cloud storage environments.
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Features and Benefits
- Core Protocol support:
- RoCE v2 Support: Implements RDMA over UDP/IPv4 for routable, high-performance networking.
- Direct Memory Access: Enables hardware-level memory transfers without CPU intervention.
- Low Latency: Bypasses the software stack to reduce processing bottlenecks.
- Transmission and reception:
- Queue Pair (QP) Management: Supports multiple Queue Pairs for concurrent communication streams.
- Completion Queues (CQ): Efficiently manages asynchronous event notifications for completed tasks.
- Memory Registration: Securely registers memory regions for authorized remote access.
- Interface and Performance:
- User Side: Utilizes high-speed AXI4-Stream interfaces for data movement.
- Control Path: AXI4-Lite interface for register configuration and status monitoring.
- Scalability: Designed for high-bandwidth communication between servers and storage devices.
- Reliability and Offloading:
- Hardware Offload: Offloads transport layer processing (UDP/IP) to dedicated hardware.
- Converged Ethernet: Optimized for use in lossless Ethernet environments to ensure data integrity.
- Efficiency: Significantly reduces host CPU utilization compared to standard TCP/IP stacks.
Licensing Options
Evaluation License is free for four hours of use. Obfuscated License needs to be purchased at mD
Documentation
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| RoCE IP User Guide | Download |