Which is most common used InfiniBand topology?
Fat tree
There are several common topologies for an InfiniBand fabric. The following lists some of those topologies: Fat tree: A multi-root tree. This is the most popular topology.
What is InfiniBand fabric?
InfiniBand (IB) is a computer networking communications standard used in high-performance computing that features very high throughput and very low latency. It is used for data interconnect both among and within computers. It is designed to be scalable and uses a switched fabric network topology.
What is the name of upper level switches in fat tree topology?
Fat tree topology is based on the complete binary tree. Below is an example of 3 layer Fat tree topology. The top layer (level-0) of switches is called Core layer. The second layer of switches is called Aggregation layer.
How is InfiniBand different from Ethernet?
Higher performance, higher radix and low-latency solutions: Today, Ethernet switches offer connectivity of up to 400 Gbps. In contrast, InfiniBand HDR only offers connectivity of up to 200 Gbps and Fibre channel offers connectivity of up to 32 Gbps.
Who uses InfiniBand?
InfiniBand is backed by top companies in the industry, including the steering committee mem- bers: Compaq, Dell, Hewlett Packard, IBM, Intel, Microsoft, and Sun. In total, there are more than 220 members of the InfiniBand Trade Association.
What is InfiniBand used for?
InfiniBand (IB) is a computer-networking communication standard used in high-performance computing that features very high throughput and very low latency. It is used for data interconnect both among and within data switches.
What is POD in fat tree topology?
3.1. The Fat-Tree topology [4], depicted in Fig. 2, consists of k pods, each of which consisting of edge switches and aggregation switches. Edge and aggregation switches connected as a clos topology [26] and form a complete bipartite in each pod.
Does InfiniBand use IP?
Internet Protocol (IP) packets can be sent via an InfiniBand interface by encapsulating the IP packets in an InfiniBand packet via a network interface. This is known as IP over IB (IPoIB).
Who invented InfiniBand?
The InfiniBand specification was developed by merging two competing designs, Future I/O, developed by Compaq, IBM, and Hewlett-Packard, with Next Generation I/O, developed by Intel, Microsoft, and Sun Microsystems.