Thx for your fast response. I am thinking about a parent /sibling setup. The range of users will be (located in different subs) <50 150 - 200 ~ 900 ~1500 Bandwidth of the internet link and the links between subs still unknown Uwe > Dear all, > > We want to setup a squid proxy env. for the headquarters and > subsidiaries. > Before I start the project I should know the hardware requirements > (sizing) and if any limits or constrains regarding squid are known (the > OS will be linux) I'm going through the process of doing this for a few clients. It really does wildly depend on how many clients there are per site, how you're thinking of linking them up, and how much bandwidth is available. adrian