More than two years after first announcing successful field trials of XGS-PON technology in two cities (Atlanta and Dallas), AT&T has gone live with high-speed broadband services delivered by the new generation access technology in dozens of US markets, including Atlanta, Chicago, Dallas/Fort Worth and Detroit.
AT&T says XGS-PON, an increasingly popular 10 GPON technology that can co-exist with existing GPON deployments, is now supporting services of up to 1 Gbit/s in 40 cities (see list below) and could ultimately be used to offer services of up to 10 Gbit/s.
The commercial deployment, currently limited in size in each market, comes more than two years after the operator announced it had completed successful trials of the technology in a network architecture that included a virtualized BNG (broadband network gateway) and managed by Open Source Access Manager Hardware Abstraction (OSAM-HA) software (previously referred to as VOLTHA Virtual OLT Hardware Abstraction).
So are these commercial deployments based on the same model, with virtualized elements? AT&T is being coy. "AT&T continues to work with open communities such as ONF, ONAP and OCP to drive innovation, TTM [time to market] and cost improvements as we build next generation networks," it stated in an emailed response to questions.
And which technology partners are involved in the commercial deployments? "AT&T is utilizing multiple XGS-PON platforms that we have tested and certified over the past several years," noted the AT&T spokesman.
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