> you should bear in mind that for a cache to be truly effective at > bandwidth conservation (if that is your goal) it > needs to be placed close to the users. Maybe - it depends if you want to save bandwidth on your LAN or WAN/Internet pipe. AFAIK most organisations are more concerned about WAN utilisation since it's the expensive bit, and therefore placing the caches just on the internal side of your WAN can be a good solution.