Re: [Pppext] [Int-area] IETF80 questions regarding "On demand IPv4 address provisioning in Dual-Stack PPP deployment" - Topic for WG?
Cameron Byrne <cb.list6@gmail.com> Fri, 17 June 2011 17:17 UTC
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Date: Fri, 17 Jun 2011 10:17:07 -0700
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From: Cameron Byrne <cb.list6@gmail.com>
To: Dave Thaler <dthaler@microsoft.com>
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Cc: "pppext@ietf.org" <pppext@ietf.org>, "int-area@ietf.org" <int-area@ietf.org>
Subject: Re: [Pppext] [Int-area] IETF80 questions regarding "On demand IPv4 address provisioning in Dual-Stack PPP deployment" - Topic for WG?
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On Fri, Jun 17, 2011 at 10:04 AM, Dave Thaler <dthaler@microsoft.com> wrote: > Mark Townsley wrote: > [...] >> Applications may not be all that forgiving to IPv4 coming and going either, e.g., >> I have a popular mail client that has recently taken to crashing when I switch >> from wired to wireless and get a different IP address in the process. Some of >> the IM connections I keep up recover quickly to IP changes, others do not. The >> IETF has a whole WG (DNA) dedicated to this tricky behavior of an IP address >> coming and going - it's not always easy, in particular when the link-layer is not >> giving your IP stack any up/down notification, which I believe by definition is >> what your proposal requires from the very start. > [...] > > I'll second the above. This is very problematic for some applications. > (Other solutions like DSTM that have on-demand IP addresses have this same issue.) > > So any network that deploys such a solution in anything other than > a tightly controlled environment where directly connected nodes are restricted > to a specific set of pre-tested applications, will likely result in many support calls. > Is this really different from the dial-on-demand routing that has existed for years and still exist as common backup connectivity technique? I assume that this would be implemented on an Home Gateway which provides consistent addressing to IPv4 hosts within the home, and dial-on-demand type mechanism request the IPv4 address to the home gateway to do NAT44 in the event of an IPv4 stream arrives. Cameron
- Re: [Pppext] [Int-area] IETF80 questions regardin… Mark Townsley
- Re: [Pppext] [Int-area] IETF80 questions regardin… Vernon Schryver
- Re: [Pppext] [Int-area] IETF80 questions regardin… K.Fleischhauer
- Re: [Pppext] [Int-area] IETF80 questions regardin… K.Fleischhauer
- Re: [Pppext] [Int-area] IETF80 questions regardin… Vernon Schryver
- Re: [Pppext] [Int-area] IETF80 questions regardin… Cameron Byrne
- Re: [Pppext] [Int-area] IETF80 questions regardin… Dave Thaler
- Re: [Pppext] [Int-area] IETF80 questions regardin… Cameron Byrne
- Re: [Pppext] [Int-area] IETF80 questions regardin… Joshua Shire
- Re: [Pppext] [Int-area] IETF80 questions regardin… Dave Thaler
- Re: [Pppext] [Int-area] IETF80 questions regardin… Olaf.Bonness