In policy point of view, there are several things need to be defined. First we need a groups of clients or subnets. Next we must have a list of servers or sinks. Lastly we need the policy server itself. The policy testbed is shown here:
It comprises of several machines (Mac, PCs and Sun) and OSes (XP, Win2000, Fedora, Solaris and Mac OS X). The XP at the left will be the content server. Here we will load several streaming movies and bulky images.