Leveraging Fog Computing for Scalable IoT Datacenter Using Spine-Leaf Network Topology

Table 1

Description of the physical topology for IoT FCN.

Fog Nexus Router (spine node)	Cisco 7000
Fog Nexus Router (leaf node)	Cisco 3000
Total ISR/switch in topology	4 spine + 8 leaf (small); 4 spine + 16 leaf (medium); 8 spine + 16 leaf (small)
Fog devices	11
Wi-Fi access points	8
Fog C++ library	Enabled
Path link	40 GB
Multilayer virtualization	Type 1
Routing type	Dynamic layer-3
Redundancy	Active ()