> Hi! > > I have two squid servers and I want them to run in sibling > mode to share their cache data. > I'm not sure which method of communication between the > servers is the best. ICP, HTCP or CARP... I feel I should use > CARP but is it realy the best way with the fewest overhead? CARP is an algorithm that partitions URI-space among a group of caching proxies. However CARP can't predict cache hits, so it can not be used with siblings only parents. HTCP provides better security and cache hit predictions w.r.t ICP. However HTCP messages are larger and more complicated. M.
