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AT&T struggles to defend open cloudiness of Ericsson deal
More than a year into the Ericsson-led rollout, there is very little evidence AT&T's radio access network is as multivendor and virtualized as the telco makes out.
To ensure network performance doesn't falter for football fans, operators such as Verizon, AT&T and T-Mobile have worked hard to update the Caesars Superdome in New Orleans before this Sunday's big game. This is an annual tradition for big telcos, and here's a look back at four years of network upgrades and Super Bowl infrastructure coverage.