... 21 2 21 4receiver classes, 23 0receiving objects, 22 7 23 0, 24 5, 26 2refactoring, 26 2reflection, 9reliability issues, with remote proxy, 21 3remote proxies, 20 0benefits of, 21 3drawbacks of, 21 3performance ... (example), 20 6 21 0drawbacks of, 21 3 21 4function of, 197general, for virtual proxy, 21 0 21 3introduction to, 197page statistics (example), 20 1 20 4protection, 20 0remote, 20 0 20 4, 21 3structure ... existing hierarchy, 25 4 25 5introduction to, 24 5objects in, 24 9 25 1passing requests in, 25 1 25 4structure of, 24 5 25 1using with composite pattern, 25 7 26 2when to use, 25 5 25 6chains/chaining,...