Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-11 Thread Jari Arkko
Doug, But it's not. ... We _really_ want to get this right NOW. Adding more kludges so that we can Just get it deployed is actually going to make life (and future deployment) harder down the road, not easier. Agreed so far. Suresh wants to support a particular type of a deployment, and it

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Jari Arkko
Some of the discussion has gone into the history of IPv6 design, what configuration model was intended by the original designers as the right one, and so on. I would suggest that while that's interesting, it may be secondary to what we are discussing here. Suresh wants to support a particular

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Mikael Abrahamsson
On Fri, 10 Sep 2010, Jari Arkko wrote: Host support is important because that is an area where neither the IETF, any single vendor, or the DSL operators have any easy way to change the situation. But it is of course by no means the only constraint. The operators have their issues as well.

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Doug Barton
On 9/10/2010 5:59 AM, Jari Arkko wrote: Some of the discussion has gone into the history of IPv6 design, what configuration model was intended by the original designers as the right one, and so on. I would suggest that while that's interesting, it may be secondary to what we are discussing here.

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Ralph Droms
: September-08-10 2:27 PM To: Joel M. Halpern Cc: Narten Thomas; IPv6 WG Mailing List; Suresh Krishnan Subject: Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt) Joel - only some operators have decided that they need to allow for the corner case

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Laganier, Julien
Hi Suresh, Suresh Krishnan wrote: Hi Julien, On 10-09-08 07:43 PM, Laganier, Julien wrote: Thomas Narten wrote: [...] RAs/SLAAC work very well when RAs can be multicast to *all* nodes on a link, and *all* nodes receive exactly the same information about prefixes and SLAAC. I.e,

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-10 Thread Suresh Krishnan
Hi Doug, Just clarifying one technical point that you raised. On 10-09-10 03:04 PM, Doug Barton wrote: Two responses. If we can't expect the hosts to be changed in order for this to work, how do we expect them to send clever new RS messages even if the draft is adopted (or perhaps I'm

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK)
Suresh, There are still unanswered questions.. Comments inline ... -- Shree -Original Message- From: Suresh Krishnan [mailto:suresh.krish...@ericsson.com] [..snip..] 1. Prefix Lifetime Binding/Expiry.. Unlike DHCP there is no mechanism with SLAAC for a host (client) to

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK)
Suresh, 5. Creating an alternative to DHCPv6 ? One SLAAC is defined to do functionality similar to DHCP (including per host prefixes/options) how long before options are added so SLAAC becomes an alternative to DHCPv6 ? The goal is not to come up with an alternative to DHCPv6. The

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK)
- the network never knows when a host detaches, because the host does not send a goodbye RS. As a result, if a prefix were allocated by the network for the host, it cannot be returned to a free prefix pool based on signaling from the host. Are you planning to collect unused prefix based on an

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Alan Kavanagh
...@ietf.org] On Behalf Of Ralph Droms Sent: September-08-10 2:27 PM To: Joel M. Halpern Cc: Narten Thomas; IPv6 WG Mailing List; Suresh Krishnan Subject: Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt) Joel - only some operators have decided

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Suresh Krishnan
Hi Woj, On 10-09-08 04:16 PM, Wojciech Dec wrote: Sending periodic RAs with the PIO does not help with the two problems that were pointed out: - the network does not necessarily know when a host attaches, because the host may timeout sending RSs before the link

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Suresh Krishnan
Hi Julien, On 10-09-08 07:43 PM, Laganier, Julien wrote: Thomas Narten wrote: [...] Joel M. Halpern j...@joelhalpern.com writes: [...] Now, operators wanted to offer IPv6 service. I hope we think that is a good thing. For residential, they looked at what they could count on from the

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Suresh Krishnan
Hi Shree, On 10-09-09 06:23 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: Suresh, There are still unanswered questions.. Comments inline ... -- Shree -Original Message- From: Suresh Krishnan [mailto:suresh.krish...@ericsson.com] [..snip..] 1. Prefix Lifetime

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Suresh Krishnan
Hi Shree, On 10-09-09 06:46 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: Suresh, 5. Creating an alternative to DHCPv6 ? One SLAAC is defined to do functionality similar to DHCP (including per host prefixes/options) how long before options are added so SLAAC becomes

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-09 Thread Suresh Krishnan
Hi Shree, On 10-09-09 07:45 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: - the network never knows when a host detaches, because the host does not send a goodbye RS. As a result, if a prefix were allocated by the network for the host, it cannot be returned to a free prefix pool based

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Doug Barton
On 09/07/2010 06:38 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: 5. Creating an alternative to DHCPv6 ? One SLAAC is defined to do functionality similar to DHCP (including per host prefixes/options) how long before options are added so SLAAC becomes an alternative to DHCPv6 ? This is

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Mark Smith
On Thu, 26 Aug 2010 09:20:45 -0400 Thomas Narten nar...@us.ibm.com wrote: Suresh, Suresh Krishnan suresh.krish...@ericsson.com writes: The nodes attached to different subscriber lines cannot directly send packets to each other. They need to talk through the edge router. How is this

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Shree, Thanks for the comments. Please find responses inline. On 10-09-07 09:38 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: Suresh, One of the main challenge in implementing the model proposed by the draft is that edge router has no reliable indication if a host (once it has sent

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Doug, On 10-09-08 02:02 AM, Doug Barton wrote: On 09/07/2010 06:38 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: 5. Creating an alternative to DHCPv6 ? One SLAAC is defined to do functionality similar to DHCP (including per host prefixes/options) how long before options are added so

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Mark, On 10-09-08 05:50 AM, Mark Smith wrote: On Thu, 26 Aug 2010 09:20:45 -0400 Thomas Narten nar...@us.ibm.com wrote: Suresh, Suresh Krishnan suresh.krish...@ericsson.com writes: The nodes attached to different subscriber lines cannot directly send packets to each other. They need to

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Ralph Droms
Nit: seems unlikely to me you will have any XP devices running IPv6-only; if my understanding of the situation is correct, such a device requires manual installation of the IPv6 stack and still requires IPv4 for DNS. - Ralph On Sep 8, 2010, at 5:36 PM 9/8/10, Suresh Krishnan wrote: Hi Doug,

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Laganier, Julien
Hi Suresh, Please see two comments below: Suresh Krishnan wrote: Hi Shree, Thanks for the comments. Please find responses inline. On 10-09-07 09:38 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: Suresh, One of the main challenge in implementing the model proposed by the

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Doug Barton
Ralph, I use IPv6 in XP so I can confirm your suspicion on both counts. IPv6-only is a non-starter for XP. Suresh, I understand your goals quite well, which is why I'm opposed to the adoption of the draft. :) Since practically Day 1 of the IPv6 effort there has been a movement to make

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Joel M. Halpern
Doug, I am confused by your comments. Let me describe how I understand the situation. We claimed, when we crafted IPv6, that hosts did not need to use DHCP for address assignment. As such, many host stacks did not use DHCP for address assignment. Now, operators wanted to offer IPv6

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Doug Barton
Your message is very carefully crafted rhetorically, for which I credit you with many style points. In terms of standards development less so, but I'll take everything you say here at face value just in case. On 09/08/2010 11:01 AM, Joel M. Halpern wrote: Doug, I am confused by your comments.

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Ralph Droms
Joel - only some operators have decided that they need to allow for the corner case of an IPv6-capable device with no DHCPv6 connected directly to the SP network. CableLabs took the approach of mandating DHCPv6 for any device connected to a cable SP network; the expectation being that a high

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Ralph, On 10-09-08 12:17 PM, Ralph Droms wrote: Nit: seems unlikely to me you will have any XP devices running IPv6-only; if my understanding of the situation is correct, such a device requires manual installation of the IPv6 stack and still requires IPv4 for DNS. You are absolutely

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Julien, On 10-09-08 12:32 PM, Laganier, Julien wrote: Hi Suresh, Please see two comments below: Suresh Krishnan wrote: Hi Shree, Thanks for the comments. Please find responses inline. On 10-09-07 09:38 AM, JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK) wrote: Suresh, One of the main

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Suresh Krishnan
Hi Doug, On 10-09-08 02:16 PM, Doug Barton wrote: Meanwhile, please provide examples of any OS with greater than 5% market share that is capable of v6-only operation without the ability to do DHCPv6. I don't think anybody here claimed IPv6-only operation. The BBF network in question is

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Wojciech Dec
Sending periodic RAs with the PIO does not help with the two problems that were pointed out: - the network does not necessarily know when a host attaches, because the host may timeout sending RSs before the link layer is available to carry these RS's up to the node assigning a prefix. As a

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Mark Smith
On Wed, 8 Sep 2010 11:45:34 -0400 Suresh Krishnan suresh.krish...@ericsson.com wrote: Hi Mark, On 10-09-08 05:50 AM, Mark Smith wrote: On Thu, 26 Aug 2010 09:20:45 -0400 Thomas Narten nar...@us.ibm.com wrote: Suresh, Suresh Krishnan suresh.krish...@ericsson.com writes: The

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-08 Thread Laganier, Julien
Thomas Narten wrote: [...] Joel M. Halpern j...@joelhalpern.com writes: [...] Now, operators wanted to offer IPv6 service. I hope we think that is a good thing. For residential, they looked at what they could count on from the hosts. And some of them concluded that they could

XP, IPv6 and DNS (was Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt))

2010-09-08 Thread Karl Auer
On Wed, 2010-09-08 at 10:29 -0700, Doug Barton wrote: I use IPv6 in XP so I can confirm your suspicion on both counts. IPv6-only is a non-starter for XP. You do need IPv6 and IPv4 on the XP host, but the host can exist in an IPv6-only network if you put an IPv6-capable nameserver on the host

RE: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-09-07 Thread JOSHI, SHRINIVAS ASHOK (SHRINIVAS ASHOK)
] On Behalf Of Suresh Krishnan Sent: Saturday, August 28, 2010 12:27 AM To: Thomas Narten Cc: IPv6 WG Mailing List Subject: Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt) Hi Thomas

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-27 Thread Suresh Krishnan
Hi Thomas, On 10-08-26 08:50 PM, Thomas Narten wrote: Let me ask some additional clarification questions. Figure 1 contains both Hosts and RGs (residential gateways). Is it a requirement that there be a single RG at each customer site, and that RG then connects to the AN? In other words, is

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-26 Thread Thomas Narten
Suresh, Suresh Krishnan suresh.krish...@ericsson.com writes: The nodes attached to different subscriber lines cannot directly send packets to each other. They need to talk through the edge router. How is this enforced? If I happen to know the mac address of my neighbor's router (or host),

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-26 Thread Thomas Narten
Let me ask some additional clarification questions. Figure 1 contains both Hosts and RGs (residential gateways). Is it a requirement that there be a single RG at each customer site, and that RG then connects to the AN? In other words, is the Edge Router sending RAs only to the RG, and is it the

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-25 Thread Thomas Narten
Hi Suresh. Thanks for the revised document. It is much clearer now. Some followup questions. 1) in Figure 1, it would help to explain whether everything to the left of the edge router is in the same broadcast domain. I.e, all nodes attached to the network can send packets directly to each

Re: New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-25 Thread Suresh Krishnan
Hi Thomas, Thanks for going over the new version so quickly. On 10-08-25 09:03 AM, Thomas Narten wrote: Hi Suresh. Thanks for the revised document. It is much clearer now. Some followup questions. 1) in Figure 1, it would help to explain whether everything to the left of the edge router is

New version available (Was Re: Consensus call on adopting:draft-krishnan-6man-rs-mark-06.txt)

2010-08-24 Thread Suresh Krishnan
Hi Thomas/Brian, I submitted a new revision with the changes you requested. Can you please look over the new revision available at http://www.ietf.org/id/draft-krishnan-6man-rs-mark-07.txt and let me know if it addresses your concerns Thanks Suresh On 10-08-20 04:56 PM, Thomas Narten