keepalive
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A keepalive (KA) is a message sent by one device to another to check that the link between the two is operating, or to prevent the link from being broken.
~6 min read
Encyclopedic overview
11 sectionsContents
- Description
- TCP keepalive
- Probe TCP packets
- Keepalive algorithm and configuration
- General behavior
- Real world default behavior
- Keepalive on higher layers
- Similar concepts
- HTTP keepalive
- See also
- References
A keepalive (KA) is a message sent by one device to another to check that the link between the two is operating, or to prevent the link from being broken.
==Description==
Excerpted from Wikipedia’s “keepalive” article, available under the CC BY-SA 4.0 licence.