> -----Original Message----- > From: Owen DeLong > Sent: Thursday, October 21, 2010 5:12 AM > To: Jens Link > Cc: NANOG > Subject: Re: Only 5x IPv4 /8 remaining at IANA > > > On Oct 21, 2010, at 4:59 AM, Jens Link wrote: > > > Owen DeLong writes: > > > >> All well and good until some of their customers are on IPv6... > >> Then what? > > > > Someone will build an appliance to deal with this problem. ;-) > > > And I estimate that the user experience through such appliances will > be poor or worse, driving their former customers to their competitors > that implemented native IPv6. > > Owen >
And it will be an expensive operation when someone is pushing multiple gigabits or tens of gigabits of traffic. NAT is probably one of the more expensive operations in a large network facing the Internet that handles a lot of traffic.