Vocus cables Sydney Harbour to cut latency

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http://www.itwire.com – Vocus Communications has laid two fibre cables across Sydney Harbour - to shave microseconds from the trip time from the CBD to the ASX data centre in Gore Hill. {loadposition stuart}Vocus already operates a cable through the Sydney Harbour Tunnel but according to CEO James Spenceley the new cable is some 700 metres shorter and represents the lowest latency link available between the CBD and the ASX data centre.700 metres equates to a difference in the one way trip time of about 5 microseconds, the velocity of light in glass being about 1.5 x 108 metres per second, about half its velocity in (IT news)