Hi all, could someone please give me an example of 'application proxies' (for ipv6/ipv4 transition) that people have been talking about in their drafts. is BIA or BIS an example of this? if yes,are there any more examples? regards Anand Thakur HCL Perot Systems A-14 Sector-57,Noida tel ext. - 3257 mobile:9811748512