https://www.theregister.co.uk/2019/01/14/network_roundup_jan_12_2019/

Networks roundup Is it any surprise that Cisco remained the dominant force in enterprise infrastructure during 2018?

Synergy Research this week reported Switchzilla's footprint in the $125bn market has slipped by a couple of percentage points year-on-year, but the company still holds a 23 per cent share of the spoils.