They also (typically) cache the result to answer potential future queries within a certain expiration (time-to-live) period.
In theory, under IPv4, time to live is measured in seconds, although every host that passes the datagram must reduce the TTL by at least one unit.
Time to live, a mechanism that limits the lifespan of data in a computer or network
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She began to appear in the Portuguese version of the children's television series Sesame Street (1990), then she moved on to novels and series such as The People's Banker (1993), Cabaret (1994), Dear Teacher (2000), Rage to Live (2002), Hannah and the Seven (2003) (Golden Globe for Best Actress for TV, 2003), or more recently, Time to Live (2006) and Nobody else Tu (2005), where their presence earned high levels of audiences.
The cancer metastasized and spread to her brain, and it became clear that she had little time to live.
On February 7, 2008 Galley revealed that he was suffering from esophagus cancer, and had only a short time to live.