> > you'll see roundrobin and lifo, among others, in many caches including > > stub caches. > > Large numbers of sites have been depending on this behaviour for over 15 > years, so it was wrong of RFC 3484 to break it. some number of vendors have depended on revenue from selling this feature but i'd say that only a small number of sites ever saw any benefit from it. we've been lifo'ing and round robin'ing dns data in caches and stubs for a lot longer than 15 years, and the original dns rfc's said specifically that rrset ordering was not guaranteed in the protocol, so anyone who depended on it was getting screwed a long time before RFC 3484 came around. _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf