March 2019
Intermediate to advanced
392 pages
11h 13m
English
Content preview from VMware vSphere 6.7 Data Center Design Cookbook - Third Edition
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Remote direct memory access options
Since vSphere 6.5, Remote Direct Memory Access (RDMA) over Converged Ethernet (RoCE) has been supported. RoCE provides extremely low latency and high throughput communication over an Ethernet network, and allows one VM to access the memory contents of another VM directly, without the involvement of the hosts' CPU. This is usually reserved for network-intensive applications. Like FCoE, it requires a lossless network. RoCE requires hardware support in the form of Host Channel Adapters (HCAs) when VMs communicate across different ESXi hosts. RDMA is built into ESXi, and therefore, HCAs are not required when VMs reside on the same ESXi host. As of vSphere 6.7, only some Linux distributions support RoCE, such ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.