The InfiniBand™ Trade Association

is proud to announce the

42nd InfiniBand and RoCE Plugfest

May 19th – May 30th, 2025

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 42

  • May 12 – May 16 (Test Equipment Vendors Only)
    • Setup and calibration for Test Equipment Vendors
    • QSFP Memory Map Cable Testing
    • CMIS Memory Map Cable Testing
    • VNA S-Parameter Cable Testing
  • May 19 – May 23 (All Members Welcome)
    • Active Time Domain (ATD) Cable Testing
    • VNA S-Parameter Cable Testing
    • IBTA CTS IB Protocol Testing
    • Interoperability Testing – InfiniBand
    • Interoperability Testing – RoCE
  • May 26 – May 30 (All Members Welcome)
    • IBTA CTS Transport Protocol Testing
    • IBTA Physical Layer Device Testing
    • Interoperability Testing – InfiniBand – continued
    • Interoperability Testing – RoCE – continued

Registration Information

Plugfest Registration Please follow this link to register for the IBTA Plugfest.

Cable and Device registration deadline: Tuesday, April 1, 2025

Shipping Deadlines – must arrive at UNH-IOL:

  • Cables and Devices: Friday, April 25, 2025
  • Test Equipment: Friday, May 9, 2025

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 42 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: ibta_plugfest@soft-forge.com

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 #42 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: ibta_plugfest@soft-forge.com.

NOTE: All Plugfest #42 related documents are available to CIWG members here: 2025-05-PF42 Information