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What is a loopback message? A loopback message is a message that was sent in an RDMA device, in a specific port from one QP to another/same QP on that device at the same port; the destination address of the...

Hi all. In the last few years - I wrote and maintained this blog. I supported hundreds of RDMA developers in the blog (and using emails) and I spent hundreds of hour in it. I had many changes in my...

Mellanox Technologies has just announced the first ever RDMA Hackathon, which will be located in Tel Aviv, Israel on 1-2 December, 2016. Click here for registration: http://www.hackatop.com

In this post, I will explain how to work with IPoIB: loading/unloading the IPoIB module, configuring it and verifying that it works. IPoIB kernel module control Verifying that the IPoIB module is loaded The IPoIB kernel module name in Linux...

I will take part at the 2015 OpenFabrics Software User Group Workshop, it will be held March 19-20 on Monterey, CA. I'll talk there for a whole 30 minutes about RDMA technologies and about blog. Here is the URL to...

Motivation InfiniBand is a great networking protocol that has many features and provides great performance. However, unlike RoCE and iWARP, which are running over an Ethernet infrastructure (NIC, switches and routers) and support legacy (IP-based) applications, by design. InfiniBand, as...

In the last few posts, I explained how to install the RDMA stack in several ways (inbox, OFED and manually). In this post, I'll describe how to verify that the RDMA stack is working properly. Verify that RDMA kernel part...

It is possible to install the RDMA packages, in convenient and simple way, using the OFED distribution or using the packages that shipped within the Linux distributions. However, sometimes there is a need to build and install the packages manually....

OFED (OpenFabrics Enterprise Distribution) is a package that developed and released by the OpenFabrics Alliance (OFA), as a joint effort of many companies that are part of the RDMA scene. It contains the latest upstream software packages (both kernel modules...

Mellanox OFED (MLNX-OFED) is a package that developed and released by Mellanox Technologies. It contains the latest software packages (both kernel modules and userspace code) to work with RDMA. It supports InfiniBand, Ethernet and RoCE transports and during the installation...