!!! Overview [{$pagename}] ([TTL]) is a mechanism that limits the [time] or [lifetime] of [data] in a [computer] or [network]. [{$pagename}] may be implemented as a [Counter] or [timestamp] attached to or embedded in the [data]. Once the prescribed event count or timespan has elapsed, [data] [MAY] be discarded or revalidated. [{$pagename}] in [Communication] [networks], prevents a [data] packet from circulating indefinitely. [{$pagename}] is commonly used in [applications] to improve the performance and manage the [caching|Cache] of [data]. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]