Open RAN vendors were voicing frustrations at MWC, concerning recent high-profile deals in which tier 1 vendors dominated smaller providers, as was the case in the AT&T-Ericsson deal last December. For the small Open RAN vendor, this is an encroachment on their turf by a large vendor, in their eyes playing dirty. Ericsson will have ruffled feathers by putting together an almost entirely single vendor deal for $14 billion with AT&T, although the contract does include radios from Fujitsu and other unnamed vendors. Verizon has also talked about plans to deploy virtual RAN, a first step towards Open RAN, but is also planning to do so in single-vendor mode for the first phase at least. Voices at MWC also espoused…