Re: [dhcwg] /128 address allocation and localized IPv6 address space exhaustion, was RE: Brokenness of specs w.r.t. client behavior with MO bits

2008-11-02 Thread H. Peter Anvin
Brian E Carpenter wrote: I would not like to see IPv6 NAPT, but I see that as a real risk if network is using DHCPv6 for allocating hosts just /128 addresses but at the same time is not willing to delegate prefixes on demand. Agreed. The sad part is that it's probably inevitable given the

Re: [dhcwg] /128 address allocation and localized IPv6 address space exhaustion, was RE: Brokenness of specs w.r.t. client behavior with MO bits

2008-11-02 Thread Mark Smith
Hi Peter, On Sat, 01 Nov 2008 17:03:44 -0700 H. Peter Anvin [EMAIL PROTECTED] wrote: Brian E Carpenter wrote: I would not like to see IPv6 NAPT, but I see that as a real risk if network is using DHCPv6 for allocating hosts just /128 addresses but at the same time is not willing to

Re: /128 address allocation and localized IPv6 address space exhaustion, was RE: [dhcwg] Brokenness of specs w.r.t. client behavior with MO bits

2008-11-02 Thread Brian E Carpenter
On 2008-10-31 21:09, Rémi Denis-Courmont wrote: On Fri, 31 Oct 2008 15:31:27 +1300, Brian E Carpenter [EMAIL PROTECTED] wrote: Well I'm not completely certain whether involving users here would provide very good experience, I see your argument, but failing silently doesn't seem like a good

Re: /128 address allocation and localized IPv6 address space exhaustion, was RE: [dhcwg] Brokenness of specs w.r.t. client behavior with MO bits

2008-11-02 Thread Rémi Denis-Courmont
On Mon, 03 Nov 2008 09:59:03 +1300, Brian E Carpenter [EMAIL PROTECTED] wrote: Failing silently or loudly are no options. You cannot blame the operator if you expect him to subsidized your device sale. You cannot fail if your competitor just works by using NAPT66. Agreed, but you can warn

RE: /128 address allocation and localized IPv6 address space exhaustion, was RE: [dhcwg] Brokenness of specs w.r.t. client behavior with MO bits

2008-11-02 Thread teemu.savolainen
Pardon my ignorance. Is there a concrete case of this in some access network standard? (I heard some rumors thereabout) I have heard rumors as well that were in favor of using DHCPv6 for address allocation also in some cellular accesses. By my understanding this is not yet so concrete