> Hi, > > Now I have an inner squid namely squid-1 and outer squid namely squid-2. > > squid-1 has a squid-2 as parent: > > cache_peer squid-2.domain parent 8080 0 no-query default > never_direct allow all > > > Please tell me if I understand what that means: > > a) Client behind (only) squid-2 ask for object "A", because is not on > his own cache, ask to the internet, retrieves the object and save it > on his own cache. > b) When client behind squid-1 ask for an object "A" squid-1 looks > fisrtly at his own cache and if it's hasn't it, redirects the petition > to squid-2. > c) Then squid directly ask for object "A" on internet, but doesn't > look at his own cache, because of no-query option in squid.conf os > squid-1. > d) squid-2 retrieves object "A" and save it on his own cache. > > If the above is right, squid-2 would be working twice, wouldn't it? In > that case, no-query would not be so useful. > > Please fix me if I'm wrong > Fixing... ;) no-query means ICP protocol is not used by squid-1 to see if squid-2 knows about object X. squid-1 will simply pass the HTTP request whole to squid-2 and hope it can handle it. squid-2 will still check its own cache before going out to the network. Amos
