Update: After publication, Comcast confirmed that it expects the low-latency marked packets to achieve latencies of around 10 ms. This compares to the dozens to hundreds of milliseconds that traffic currently sees on its network. The original article follows. Comcast has claimed the first Low Latency DOCSIS (LLD) field trial, and plans to deploy the new technology by the end of the year. Saying it is a core part of its Xfinity 10G Network strategy, it is disappointing to see that there has been no data published that would ‘prove’ the extent of these performance gains. There are also paid-prioritization concerns, which Comcast will have to be wary of. LLD stems from CableLabs, the cable industry body that develops the…