Acronyms
Acronym |
Description |
CG |
Acronym: Core Group. A collection of CORE switches used to connect to specific SPINE switches within different SLGs within a datacenter. |
“CORE” Network Layer / Switch |
The switches comprising the 3rd tier of a 3-tier Clos network. “SPINE” switches connect to “CORE” switches. The term applies to both Cluster Interconnected and Data/Storage networks and both Ethernet and IB networks. Other NVIDIA literature refers to this layer as “Super Spine”. |
“LEAF” Network Layer / Switch |
The switches comprising the 1st tier of a 3-tier Clos network. “Nodes” connect to “LEAF” switches. The term applies to both Cluster Interconnected and Data/Storage networks and both Ethernet and IB networks. Other NVIDIA literature refers to this layer as “TOR” or “Top-of-Rack”. |
SLG |
Acronym: Spine-Leaf Group. A collection of SPINE and LEAF layer devices that are interconnected (all SPINE connect to all LEAF within the group). |
SU |
Acronym: Scalable Unit. |
“SPINE” Network Layer / Switch |
The switches comprise the 2rd tier of a 3-tier Clos network. “LEAF” switches connect to “SPINE” switches. The term applies to both Cluster Interconnected and Data/Storage networks and both Ethernet and IB networks. |