Re: source_ping

[Alex Rousskov]

On Thu, 14 Jan 1999, Henrik Nordstrom wrote:

> --enable-icmp collects round-trip times to origin servers using cached
> ICMP ECHO queries. This is used to go direct when you are closer to the
> origin site than your parents.

AFAIK, it is also used to select a parent closest to the origin site in
cases when you have a choice between two parents. For example, if at least
two parents report a digest hit. 

Alex.