The InfiniBand™ Trade Association

is proud to announce the

41st InfiniBand and RoCE Plugfest

April 15 – May 3, 2024

University of New Hampshire – Interoperability Lab

21 Madbury Road, Ste 100, Durham, NH 03824-2066

RDMA Plugfest Summary

This event provides an opportunity for participants to measure their products for compliance with the RDMA specifications and includes both InfiniBand® and RoCE interoperability testing.

Agenda for Plugfest 41

  • April 15 – April 19 (Internal)
    • Setup and calibration for Test Equipment Vendors
    • QSFP Memory Map Cable Testing
    • CMIS Memory Map Cable Testing
    • VNA Cable Testing
  • April 22 – April 26
    • Setup and calibration for Test Equipment Vendors
    • Active Time Domain (ATD) Cable Testing
    • VNA & ATD Debug Sessions
    • Optical BER Testing
    • InfiniBand XDR (800G) and RoCE (800G) Testing
  • April 29 – May 3
    • Interop Testing – RoCE (homogeneous & heterogeneous)
      • Optical Interop
    • Interoperability Testing – InfiniBand
      • Optical Interop
    • IBTA CTS Protocol Testing
    • IBTA Physical Layer Device Testing
    • ECN and PFC Congestion Control Testing
  • Beta Testing (as time permits) – unpublished results
    • Optical Latency Testing
    • ACC and LPO Cable Testing
    • Performance Testing

Registration Information

Plugfest Registration Please see sidebar on this page to register for the IBTA Plugfest.

Cable and Device registration deadline: Friday, March 1, 2024 – extended to March 8

Shipping Deadlines – must arrive at UNH-IOL:

  • Cables and Devices: Friday, March 8, 2024 – extended to March 29
  • Test Equipment: Friday, April 12, 2024

Plugfest General Information – Follow this link for information about Plugfest requirements, cost, travel, lodging, directions and shipping information.

Compliance and Interoperability Working Group Members – CIWG

CIWG Members can access the Plugfest documents in the Plugfest 41 Folder on the IBTA Web site.

Integrators’ Lists

InfiniBand devices and cables successfully passing the IB Compliance Tests and Interoperability procedures will be listed on the InfiniBand Integrators’ List.

RoCE devices and cables successfully passing the RoCE Interoperability procedures will be listed on RoCE Integrators’ List.

See IBTA Integrators‘ List Logo Usage Guidelines for more details on the use of the IBTA Logo.

Questions, comments, or any other information related to the Plugfest, please email:

All materials provided in this document and on the IBTA Website are provided “AS IS” and without any warranty of any kind, including, without limitation, any express or implied warranty of non-infringement, merchantability or fitness for a particular purpose.

In no event shall IBTA or any member of IBTA be liable for any direct, indirect, special, exemplary, punitive, or consequential damages, including, without limitation, lost profits, even if advised of the possibility of such damages.

IBTA Plugfest #41 Registration

Please complete the following 2 steps:

1. Complete the IBTA Participation and NDA – You do not need to complete the NDA if you have participated in at least one Plugfest event since PF33. Any NDA signed after PF33 is permanent and you do not need to sign a new NDA again.

2. Complete the Registration Form

Return all registration documents by email to:

NOTE: All Plugfest #41 related documents are available to CIWG members here: 2024-04-PF41 Information