Latency Rise as BT Deploy Physical Retransmission for FTTC Broadband

By GIXnews

Earlier this year BTOpenreach confirmed (here) that they were deploying Physical Retransmission ReTX (G.INP – ITU G.998.4) technology to improve the performance of their ‘up to’ 40-80Mbps capable Fibre-to-the-Cabinet (FTTC) lines. But at least one ISP has noticed that this is also increasing latency times by around 15ms (miliseconds). The G.INP technology is essentially an […]

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