But where client gets the new name it should download for? As long as name client asks for (even if it is reference) is constant, it can have cache problems. O

But where client gets the new name it should download for? As long as name client asks for (even if it is reference) is constant, it can have cache problems. Of course it makes it simpler as youc an opt to cache it so short that invalidation is less of an issue, but that's again working around cache invalidation