Time to Live
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... the precise definition of the Time to Live (TTL) ...
... records is also corrected, as is one in the definition of the TTL
(Time To Live) and some possible confusion in use of the TC bit.
...
... Time to Live (TTL) ...
... received, and treat any larger values as if they were that upper
bound. The TTL specifies a maximum time to live, not a mandatory
time to live.
...