Wikipedia:
keepalive
A keepalive is a message sent by one device to another to check that the link between
the two is operating.
Description
A keepalive signal is often sent at predefined intervals, and plays an important role on the
Since the only purpose is to find links that don't work, keepalive messages tend to be short and not take much bandwidth.
External links
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
