Among other things, for some time now I’ve been designing data centers with Nexus 93180 or 93240 switches, leveraging their 40 / 100 Gbps ports and inexpensive 100 Gbps copper cabling to interconnect them. That allows building relatively inexpensive data centers with plenty of short-term bandwidth and some solid growth headroom. This might be based on just VPC / VLANs rather than VXLAN — keeping it simple for smaller organizations.
I’m seeing increasing levels of network-based storage, generally NFS, CIFS, and / or iSCSI. Occasional Fiber Channel (FC) or FCoE.
