Download Cache Server Installation and Configuration with Linux-SIS presentation. Web browsers can then use the local cache as a proxy HTTP server, reducing access time as well as bandwidth consumption. That is, each academic institution should run a campus-wide proxy service and promote the use of proxy to all individual users. Cache hierarchy is the way to connect proxy server, called child, to another proxy server, called parent. Proxy server can usually act as both child and parent.
Cache hierarchy provides a more efficiency of caching.
This depends on the operational target of your site. Make sure that the CPU has a lot of memory to provide fast response time and the system is safe from power outage. It is advisable to use high-reliablilty disk file system if you can afford it. Multi-unit SCSI disk drives work faster than few larger capacity disks. When running the proxy server, please make sure that you promote the use of the proxy well to monitor the system performance such as the amount of hit and savings per day for outside-line access.