His reliable time sources include the national radio time signal operated by NPL, which provides the time pips on the radio, and internet time servers.
Packet switching got its name thanks to late British scientist Donald Davies who was creating a network that used this technique at the National Physical Laboratory (NPL).
"OCBC can absorb an NPL rate of 19.6% without impairing its book value, " says Salomon banking analyst John Doyle, who also favors UOB, which boasts the lowest NPL rate - 5.1% - among the Big Four.