> > I was surprised that TCP-over-IPv6 and UDP-over-IPv6 didn't increase > > the port number space. I know it's off-topic here, but anyone know why > > they didn't? It surely must have been considered. > It would not make much sense, between 2 hosts you can already have > 65536*65536 possible connections*, which should be more than > enough(tm) ;) I wonder if there are any hosts actually using more than > 65536 connections at the same time. True enough, however, you can only have 65536 connections to a single service on a given port. I can assure you that this is a problem for real-world applications in some cases, so yes, there are such users. Ned _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf