Re: RE: RE: questions about draft-wen-ipv6-rsra-opt-multihoming-00

2006-06-07 Thread Greg Daley
Hi Wen, > 802.21 is developing standards to enable handover and > interoperability between heterogeneous network types including both > 802 and non 802 networks. 802.21 is running below IP layer. > However, SAAC procedure is running in IP layer. 802.21 is designed to run over L3/L4 transpor

Re: Fwd: IPR Notification on RFC 2462 and 2464

2005-11-06 Thread Greg Daley
uld happen? Fortunately, I don't think we have > to worry about such a scenerio in this case, because the company > in question is pretty large and in no danger of being taken over. > > jak > > - Original Message - > From: "Greg Daley" <[EMAIL PRO

Re: Fwd: IPR Notification on RFC 2462 and 2464

2005-11-03 Thread Greg Daley
available in the USA at the time (as far as I can tell). Greg Greg Daley wrote: Hi Margaret, I'm not sure how this affects the IPR notification, but I've had a quick look at existing art available at the time of the patent application. There are existing specifications of IPv6 auton

Re: Fwd: IPR Notification on RFC 2462 and 2464

2005-11-03 Thread Greg Daley
no reference to them in the description of the patent, made at application time. Clearly, I'm not able to provide legal advice about this situation, but the above information may be able to help someone who is. Greg Daley. Margaret Wasserman wrote: FYI -- The official disclosure will prob

Re: IPV6 AAA

2005-10-16 Thread Greg Daley
Hi Syed, Syed Ajim Hussain wrote: Hi Francis/Jhon Thanks for your information. Why IPv6 Broadband access service is so dependent on DHCP6. Even if you run DHCP6-Relay on NAS there is some problem in NAS for maintaining Route-information, Since NAS does not know What prefixes are alloca

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-12 Thread Greg Daley
Hi Marcelo, - Original Message - From: marcelo bagnulo braun <[EMAIL PROTECTED]> Date: Saturday, August 13, 2005 0:50 am Subject: Re: Solutions for distributing RFC 3484 address selection policies > Hi Greg, > > El 12/08/2005, a las 2:14, Greg Daley escribió: > >

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-11 Thread Greg Daley
Hi Ralph, Ralph Droms wrote: On Thu, 2005-08-11 at 01:40 -0400, timothy enos wrote: [...] One thing is that in using DHCPv6, all DHCPv6 clients on the link will get the same policy. Also, IMO it wouldn't always be bad for all hosts on a link (DHCPv6 or otherwise) to get the same policy. It'

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Hi Tim, timothy enos wrote: [cut] It is worth noting, that in the DHC proposal, 24 bits of data: (label, precedence, zone-index) are added which aren't present in PIOs. There's an unused 32 octet field available (and another 5 unused bits for flags) in each PIO, which are currently unused. A

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Hi Bernie. Bernie Volz (volz) wrote: It's unclear at the moment how a DHCP server on one link is able to describe how to use addresses available on another interface or link. Why would you then assume that an RA on one link could do any more? It too would be restricted to providing policies J

Re: Distribution of RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Hi Mark, Mark K. Thompson wrote: Hi, On 9 Aug 2005, at 11:53, Arifumi Matsumoto wrote: On 2005/08/09, at 5:40, Mark K. Thompson wrote: the lack of field definition for labels has seen different OSes use different datatypes for the label, from string through stringified-integer to integer

Re: Distribution of RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Hi [EMAIL PROTECTED] wrote: [cut] So a question then is whether that is enough or if there are many cases where the full policy (including source address selection) is needed. If the full policy is needed in some cases, then we have to consider whether it's worth having two solutions. I don't k

Re: Solutions for distributing RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Dear Stig, Stig Venaas wrote: So far two principal solutions have been suggested, RAs and DHCP. If people want to work on solutions we could possibly look into both of these. Some issues have already been mentioned on this list. Another issue which was brought up in dhc wg, is that the policy i

Re: Distribution of RFC 3484 address selection policies

2005-08-10 Thread Greg Daley
Hi Tim, timothy enos wrote: [cut] In that case, I think we should try to look for possible solutions. Some applications might want to specify their own particular behaviour, but I see several reasons why an administrator may want to specify a default. Using DHCP may be one solution. The only al

Re: Distribution of RFC 3484 address selection policies

2005-08-09 Thread Greg Daley
Hi Fred. Fred Baker wrote: On Aug 8, 2005, at 7:24 PM, Greg Daley wrote: I'm not sure anyone is doing it, but renumbering is applicable there as a means of providing information about which prefixes are valid. One of the outcomes of the v6ops WG last week was the observation that

Re: Distribution of RFC 3484 address selection policies

2005-08-08 Thread Greg Daley
hich interacted with router discovery to provide address selection policy would need to be integrated with the ND messages, and the configuration systems applicable to those messages. Greg. On Aug 8, 2005, at 4:58 PM, Greg Daley wrote: Hi Mark, Mark K. Thompson wrote: [cut] So, yes, I agree th

Re: Distribution of RFC 3484 address selection policies

2005-08-08 Thread Greg Daley
Hi Mark, Mark K. Thompson wrote: [cut] So, yes, I agree that centralisation of address selection of policy is important (and necessary for folks using ULAs with greater-than- site scope multicast), and that DHCPv6 appears a reasonable choice, but there are fundamental issues with RFC3484 t

How ready is IPv6 - do we need to describe it?

2005-08-02 Thread Greg Daley
Hi, I was chatting with Keith Moore, and think that it may help to provide guidance (a BCP) on which components are stable and reliable for IPv6 deployment. Perhaps it could be seen as a wrap-up for the IPv6 WG. It may be possible to indicate the standard levels at the time of writing, and indi

network/all-host discovery and flooding attacks.

2005-08-02 Thread Greg Daley
Hi, I think there are some interesting discussions going on in a different thread, but I thought I'd start a new thread in order to talk about a contentious issue without polluting the other. Regarding draft-pashby-ipv6-network-discovery-00.txt, this provides a mechanism for devices to be made

Re: rfc2461bis issue 257 resolved? fast RA issue

2005-05-30 Thread Greg Daley
Hi Daniel, None of the solutions has been accepted yet as a WG item. The DNA goals draft (in RFC-ed queue) covers this issue, and has a goal for fast reception of information (essentially RAs). The RA delay issue is discussed in section 2.1 of 'dna-goals' and is summarized in Goal: G2. The cur

Re: rfc2461bis issue 257 resolved? fast RA issue

2005-05-29 Thread Greg Daley
Hi Hesham, (Cc: FastRA authors) Daniel Park wrote: So, to avoid the confusion, I'd like to ask the WG whether they agree that this issue, addressed in draft-mkhalil-ipv6-fastra-04 (or later versions) should not be included in the current work of 2461bis. It seems DNA task in my opinion, t

Re: Comment on RFCs 2461bis and 2462bis

2005-05-29 Thread Greg Daley
Hi Christian, I'll try to keep my response brief. Christian Vogt wrote: [cut] Now going to specific points... - its initial Router Solicitation after interface (re-) initialization (D1) [RFC 2461bis] - joining the solicited-nodes multicast address after interface (re-) initialization (D2)

DNA and oDAD (was Re: Last Call: 'Optimistic Duplicate Address Detection for IPv6' toProposed Standard)

2005-05-26 Thread Greg Daley
Hi James, James Kempf wrote: [cut] Actually, I wonder if what is needed is more of an applicability statement saying what types of addresses it is appropriate to use this procedure for, and where not. For example, can optimistic DAD be used for the LL address? It took me some thinking to decid

Re: Last Call: 'Optimistic Duplicate Address Detection for IPv6' to Proposed Standard

2005-05-25 Thread Greg Daley
Hi Thomas, Thomas Narten wrote: [cut] BTW, what I meant to say above was more like: This document requires that an implementation do things that may logically (if you follow the conceptual sending model) be hard to do, because the information needed to do something may not be available

Re: Last Call: 'Optimistic Duplicate Address Detection for IPv6' to Proposed Standard

2005-05-25 Thread Greg Daley
Hi Thomas. Thomas Narten wrote: I've reviewed this document and on the whole think it's fine for PS. But I do have one general concern. This document requires that an implementation do what in practice, I think might be "difficult" for some implementations. While that is OK at one level, I fear

Re: [magma] DAD and MLDv1/MLDv2

2005-03-28 Thread Greg Daley
Hi Peter, Grubmair Peter wrote: Hi, sorry for bothering. I would like to know how MLDv2 can currently work Without being temporarily being forced to MLDv1 mode, Even if all listeners have MLDv2 implemented. RFC2461 (even the newest draft ) Requires on page 56, chapter 7.2.1 interface initializa

Re: RE: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-03-08 Thread Greg Daley
Hi Hesham, - Original Message - From: "Soliman, Hesham" <[EMAIL PROTECTED]> Date: Tuesday, March 8, 2005 10:35 pm Subject: RE: RFC 2461[bis]: RS with srcaddr but w/o SLLAO > Hi Tatuya, > > I'm not sure what was said in the meeting but at least my intention > was to use this text in add

Re: about v6 over multicast-less Ethernet

2005-03-01 Thread Greg Daley
Hi Martin, [chop] Perhaps it would be simpler just to add some text saying that Ethernet NICs that do not support 33 multicast may not (cannot?) be able to support v6? "cannot" is too strict. IPv6 is a big thing. Only a certain form of easy stateless autoconf is not supported if the 33 multicas

Re: about v6 over multicast-less Ethernet

2005-03-01 Thread Greg Daley
Hi Alex, Alexandru Petrescu wrote: Greg Daley wrote: I think that Alex was thinking about end hosts which don't support IPv6. YEs, hosts that support v4 ok and can't support v6 because of the 33 requirement of RA (RAs must be sent to 33:33:0:0:0:1 by this RFC). Receiving an ini

Re: about v6 over multicast-less Ethernet

2005-02-28 Thread Greg Daley
Hi Manfredi, Albert E wrote: Alexandru Petrescu wrote: Anyone proposed until now to update RFC2464 "IPv6 over Ethernet Networks"? If not, I'd like to propose updating the following text: An IPv6 packet with a multicast destination address DST, consisting of the sixteen octets DST[1] through D

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-23 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / çæéå wrote: On Mon, 21 Feb 2005 20:06:45 +0100, Christian Vogt <[EMAIL PROTECTED]> said: ...to this... [...] If there is no existing Neighbor Cache entry for the solicitation's sender and a Source Link-Layer Address option was present in the solicitatio

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-23 Thread Greg Daley
Hi Christian, Christian Vogt wrote: Hi Hesham, hope this is not too late. Not sure but the text may suggest to create NC state even if the RS did not contain a SLLAO. In this case, it's actually not necessary to create NC state, especially if the router chooses to respond with a multicast RA.

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-23 Thread Greg Daley
clarifying statements? Can we also agree or confirm (possibly conditionally on the previous question) whether there's an agreement on text? I'm not worried at the moment, since things seem to be going the right way. Greg JINMEI Tatuya / çæéå wrote: On Tue, 22 Feb 2005 16:26:26 +1100, Greg D

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-20 Thread Greg Daley
at will reflect today's default preference order. Greg Hesham > -Original Message- > From: Greg Daley [mailto:[EMAIL PROTECTED] > Sent: Sunday, February 20, 2005 6:13 PM > To: Christian Vogt > Cc: Soliman, Hesham; ipv6@ietf.org; Mark Doll; Roland Bless > Subject:

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-20 Thread Greg Daley
Hi Christian and Hesham, I think people are asymptoting to the same point. Are we supposed to be suggesting text though? Christian Vogt wrote: Hi Hesham. > [...] > I guess this is why FreeBSD introduces a new state, NOSTATE. It does > not do immediate address resolution on an entry in this stat

Re: RE: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-19 Thread Greg Daley
Hi Hesham, - Original Message - From: "Soliman, Hesham" <[EMAIL PROTECTED]> Date: Saturday, February 19, 2005 2:21 pm Subject: RE: RFC 2461[bis]: RS with srcaddr but w/o SLLAO > Hi Greg, > > I was definitely assuming that address resolution will > take place in the case where the resp

[Fwd: I-D ACTION:draft-daley-ipv6-tsllao-01.txt]

2005-02-18 Thread Greg Daley
Hi, An update of the tentative source link-layer address options draft is available. The DNA design team is considering this as one of the possible components of a DNA solution, but its applicability is slightly wider. Perhaps it can contribute to some of the issues discussion on RFC2461bis. Greg -

Re: RFC 2461[bis]: RS with srcaddr but w/o SLLAO

2005-02-18 Thread Greg Daley
Hi Hesham, Soliman, Hesham wrote: Christian, Thanks for the detailed description. I think Nick brought this up some time ago too. My suggestion is that upon reception of an RS with no SLLAO the router checks if an entry already exists, if none exists then it creates one and puts it in STALE. I

Re: IPv6CP - rfc 2472 --- why only IID, why not prefix too

2004-11-25 Thread Greg Daley
Hi Rajan, Rajan Srivastava wrote: Hi Bhaskar, Yes, you are right if we talk about a PPPv6 client inside a LAN. But if I have a PPPv6 client running at my home PC, I can't do ND. I will have to resort to a DHCPv6 client [implemented at my PC itself]! Or is there any alternative? ND runs over the PPP

Re: IPv6CP - rfc 2472 --- why only IID, why not prefix too

2004-11-25 Thread Greg Daley
Hi Rajan, Rajan Srivastava wrote: Hi Greg, Thanks for the kind & prompt response. What you mentioned is correct; but this kind of provision in IPv6 framework has resulted in more complex implementations. Eg., if PPP server would have allocated one prefix to PPP client (in IPv6CP) then the client wo

Re: IPv6CP - rfc 2472 --- why only IID, why not prefix too

2004-11-24 Thread Greg Daley
those requiring networks/prefixes of addresses. Each fills its own requirement, and it doesn't necessarily make sense to define another way to do this in IP6CP, since the assumptions are different to IPv4. Yours Sincerely, Greg Daley

Re: IPvLX

2004-08-23 Thread Greg Daley
being discussed. The concept has some different applications than just replacing IPv6 (;-) and these are being discussed on the [EMAIL PROTECTED] mailing list. Greg Daley Fred Templin wrote: Hello, With Nokia hat off, I would like to announce a proposal for IPng called: "IPvLX - IP with virtual

Re: Stateful != M , Stateless != O

2004-08-18 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Wed, 18 Aug 2004 10:52:45 +1000, Greg Daley <[EMAIL PROTECTED]> said: I'd like to be sure that's what we're doing though, by explicitly stating that in the draft (or at least documenting behaviours in such a case). Same here. Ple

Re: Stateful != M , Stateless != O

2004-08-17 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Fri, 13 Aug 2004 11:15:48 +0200, Stig Venaas <[EMAIL PROTECTED]> said: Why? In this (i.e., the latter) scenario, does M=1/O=0 simply mean that (Solicit/Advertise/Request/Reply and)Rebind/Renew/Request is available but Information Request is not? Perhap

Re: NUD and solicitated Router Advertisement ?

2004-08-16 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Mon, 16 Aug 2004 14:13:14 +0530, "O.L.N.Rao" <[EMAIL PROTECTED]> said: I support the argument of optimizing NUD's RA processing. However, the RS-RA exchange is not a frequent one to happen. Hence the proposed optimization may not be of great adva

Re: Stateful != M , Stateless != O

2004-08-15 Thread Greg Daley
Hi Stig, I think that some of the ideas which you present are in accordance with some of the things I've been thinking about. I'm not strictly tied to one (M=3315/O=3736 or M=Req,Renew.../O=Info Request) though. I think that there are issues to be worked out based on either course. Stig Venaas wro

Re: comments on draft-daniel-ipv6-ra-mo-flags-00.txt

2004-08-12 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Wed, 11 Aug 2004 19:59:43 +0530, Syam Madanapalli <[EMAIL PROTECTED]> said: M/O flags indicate the avaialbility of the respective service, so if a router advertises the M/O flags bits ON, I think we should OFF them if and only if the same router advertis

Re: comments on draft-daniel-ipv6-ra-mo-flags-00.txt

2004-08-12 Thread Greg Daley
Hi Fred, Fred Templin wrote: Greg Daley wrote: For MTU, it's clear that you need to take the smallest (most restrictive) value advertised. This is because choice of a higher MTU is likely to have worse effects than I think this needs a bit of refinement. For multicast RAs (both unsolicite

Re: comments on draft-daniel-ipv6-ra-mo-flags-00.txt

2004-08-12 Thread Greg Daley
Hi Syam, Syam Madanapalli wrote: [cut] Indeed it is similar. When you have trusted routers with differing configurations, you have to make a decision what configuration to undertake. For MTU, it's clear that you need to take the smallest (most restrictive) value advertised. This is because choice

Re: Stateful != M , Stateless != O

2004-08-12 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Thu, 12 Aug 2004 15:23:23 +1000, Greg Daley <[EMAIL PROTECTED]> said: It's important to relize though that a host doesn't invoke RFC 3736 procedures though. The host only cares that it wants to do an Information-Request. 3736 is an imp

Re: Stateful != M , Stateless != O

2004-08-12 Thread Greg Daley
Hi Ralph, I was being imprecise (as usual). I apologize for mis-representing the role of the RFC. Ralph Droms wrote: Greg - I have one minor disagreement with your explanation: At 06:17 PM 8/11/2004 +1000, Greg Daley wrote: Hi Jinmei, JINMEI Tatuya / wrote: On Wed, 11 Aug 2004 14:16:03 +1000

Re: Stateful != M , Stateless != O

2004-08-11 Thread Greg Daley
Hi Jinmei JINMEI Tatuya / wrote: On Thu, 12 Aug 2004 14:51:59 +1000, Greg Daley <[EMAIL PROTECTED]> said: It's important to relize though that a host doesn't invoke RFC 3736 procedures though. The host only cares that it wants to do an Information-Request. 3736 is an imp

Re: Stateful != M , Stateless != O

2004-08-11 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Wed, 11 Aug 2004 18:17:31 +1000, Greg Daley <[EMAIL PROTECTED]> said: It's important to relize though that a host doesn't invoke RFC 3736 procedures though. The host only cares that it wants to do an Information-Request. 3736 is an imp

Re: Stateful != M , Stateless != O

2004-08-11 Thread Greg Daley
Hi Daniel, S. Daniel Park wrote: => Right, but there is no need to have the O flag off. To me RFC 3736 is something useful for server vendors and should not be associated with setting the O flag. You mean we can always set O flag ? I don't make sense why RFC3736 should not be associated with sett

Re: comments on draft-daniel-ipv6-ra-mo-flags-00.txt

2004-08-11 Thread Greg Daley
Hi Syam, Syam Madanapalli wrote: - Original Message - From: "Pekka Savola" <[EMAIL PROTECTED]> To: "Syam Madanapalli" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; "Soohong Daniel Park" <[EMAIL PROTECTED]> Sent: Wednesday, August 11, 2004 2:20 AM Subject: Re: comments o

Re: Stateful != M , Stateless != O (was Re: regarding some comments on the M&O draft)

2004-08-11 Thread Greg Daley
Hi Daniel, S. Daniel Park wrote: This is a bit of a rant. Please accept my apologies. I'm quite concerned by the form of the document at the moment, although I think that the function needs to be available. Not at all,,,Thanks your comments as well...:-) At this stage, I think that the policy sec

Re: Stateful != M , Stateless != O

2004-08-11 Thread Greg Daley
Hi Jinmei, JINMEI Tatuya / wrote: On Wed, 11 Aug 2004 14:16:03 +1000, Greg Daley <[EMAIL PROTECTED]> said: This is a bit of a rant. Please accept my apologies. I'm quite concerned by the form of the document at the moment, although I think that the function needs to be availabl

Stateful != M , Stateless != O (was Re: regarding some comments on the M&O draft)

2004-08-10 Thread Greg Daley
specific situations. At this stage, I think that the policy section is OK except for the imprecise usage of the terms 'stateless' and 'stateful'. JINMEI Tatuya / wrote: Hi, thanks for the prompt response. On Thu, 05 Aug 2004 08:49:54 + (GMT), Greg Daley <[EMAIL PRO

Re: regarding some comments on the M&O draft

2004-08-05 Thread Greg Daley
Hi Jinmei, Sorry about the confusion. - Original Message - From: JINMEI Tatuya / <[EMAIL PROTECTED]> Date: Thursday, August 5, 2004 7:31 am Subject: regarding some comments on the M&O draft > Hello, > > I'm not sure if I understand your comments on > draft-daniel-ipv6-ra-mo-flags-

Re: Editorial nits on draft-daley-ipv6-tsllao-00.txt

2004-08-04 Thread Greg Daley
- Original Message - From: Erik Nordmark <[EMAIL PROTECTED]> Date: Wednesday, August 4, 2004 9:46 am Subject: Editorial nits on draft-daley-ipv6-tsllao-00.txt > Section 2.2: > Some routers may choose to send a multicast response to devices > which send Router Solicitations without S

Re: Multicast NS and draft-daley-ipv6-tsllao-00.txt

2004-08-04 Thread Greg Daley
Hi Erik, Thanks for looking into this. - Original Message - From: Erik Nordmark <[EMAIL PROTECTED]> Date: Wednesday, August 4, 2004 9:45 am Subject: Multicast NS and draft-daley-ipv6-tsllao-00.txt > Section 2,1 says: > Hosts MUST NOT send Neighbour Solicitations with specified source

Re: IPv6 WG Last Call:draft-ietf-ipv6-optimistic-dad-01.txt

2004-07-23 Thread Greg Daley
Hi Jinmei, I'm not going to talk about the document itself. JINMEI Tatuya / wrote: [cut] EDITORIAL COMMENTS 15. this draft uses the term "Neighbour", but for this particular term, I guess we should stick to the US standard "Neighbor", because the base documents such as RFC2461 use the latt

Re: Joining of multicast groups for DAD and ND

2004-06-28 Thread Greg Daley
Hi Gerrit, Gerrit van Niekerk wrote: The question is directly related to ND and DAD because the "joining of the link- local scope multicast groups" is specified in RFC2461 and RFC2462. It is now clear to me that the reason is to inform MLD snooping switches rather than routers about the multicast

Re: [psg.com #257] Eliminate random delay in RA transmission

2004-06-18 Thread Greg Daley
Hi Hesham, Soliman Hesham wrote: Very sorry for the confusion. This text belongs to a different issue. Eliminating the random delay is NOT rejected. I'm a bit confused now, What's the staus of this issue, and what's the context? Greg ---

I-D ACTION:draft-daley-ipv6-preempt-nd-00.txt

2004-06-17 Thread Greg Daley
I'm forwarding an announcement for an individual submission I've made Greg -- A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Preempting IPv6 Neighbour Discovery Author(s) : G. Daley Filename: draf

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-16 Thread Greg Daley
Hi Pascal, Pascal Thubert (pthubert) wrote: In any discovery this is going to be a problem, since any discovery will require multicast at the MAC layer. Note that if the hub and spoke quality of the 802.11 (enterprise mode) network was not lost on the way of emulating ethernet, then the discovery

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-16 Thread Greg Daley
Hi Masakata, - Original Message - From: Masataka Ohta <[EMAIL PROTECTED]> Date: Wednesday, June 16, 2004 1:40 pm Subject: Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server) > Hi, Greg; > > >>> If 802.11 was successfully emulating an Ethernet I would say > yes. > > >>

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-16 Thread Greg Daley
Hi Masakata, I think there is an issue of mis-communication here which prevents us from moving beyond a certain point in the conversation. I understand what you're saying about different links having different properties, and that individual hosts (on different media) should take advantage of them.

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-16 Thread Greg Daley
Hi Masakata Masataka Ohta wrote: If 802.11 was successfully emulating an Ethernet I would say yes. Broadcast over 802.11 is much less reliable than that over Ethernet. PERIOD. Actually multicast isn't, if the multicast packet is only going toward the AP. Greg

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-14 Thread Greg Daley
Hi, Masataka Ohta wrote: Hi, However, with the current DHCPv6, it means that IP address should be configured by DHCP with four messages. I'm not so clear on your intention here, but I'd guess that Stateless Address Autoconfiguration is OK, if there is sufficient robustness in the (re)transmission

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-13 Thread Greg Daley
Hi, Masataka Ohta wrote: Hi Greg, Anyway, back to the original topic, how do you think IPv6 hosts should be configured with DNS server addresses? I think you and Pascal are saying it's not ND but PPP. Right? Actually, I think that DHCP is better (for recursive DNS configuration). Not so bad. Th

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-13 Thread Greg Daley
Hi Masakata-san, Masataka Ohta wrote: Greg Daley wrote: Hi Pascal, I think we're straying from the original topic... I think that infrastructure WLAN is point (not all statsions but only the base station) to multipoint one. Anyway, back to the original topic, how do you think IPv6 hosts s

Re: RE: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-11 Thread Greg Daley
Hi Pascal, I think we're straying from the original topic... - Original Message - From: "Pascal Thubert (pthubert)" <[EMAIL PROTECTED]> Date: Friday, June 11, 2004 11:24 pm Subject: RE: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server) > Interestingly, part of this pain co

FWD: I-D ACTION:draft-daley-ipv6-tsllao-00.txt

2004-06-09 Thread Greg Daley
Hi, Please be aware of a new draft from Erik, Nick and I. Greg --- A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Tentative Source Link-Layer Address Options for IPv6 Neighbour Discovery Author(s)

Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server)

2004-06-08 Thread Greg Daley
Hi Pekka, I'm not sure where this may lead, but... - Original Message - From: Pekka Savola <[EMAIL PROTECTED]> Date: Tuesday, June 8, 2004 11:05 pm Subject: Re: WLAN (was Re: IPv6 Host Configuration of Recursive DNS Server) > Tailed down mailing lists to just IPv6 WG list.. > > On Tue

Re: oDAD: allowing RS from tentative addresses (Re: optimistic dad comments)

2004-06-05 Thread Greg Daley
mistic dad comments) > Minor detail correction... > > > From: Greg Daley <[EMAIL PROTECTED]> > > > Please also be aware there is no issue for default router selection > > on hosts, (which is what the IsRouter flag is for) since they never > > receive

Re: SEND and unspecified address (was: Re: optimistic dad comments)

2004-06-03 Thread Greg Daley
Hi James, James Kempf wrote: Hi Greg, No need to go over there for comments. :-) SEND allows the unspecified address to be used on RSs but the CGA option is not included, so, as a practical matter, the signature can't be either since the CGA option contains the key. A message sent with an unspecifi

Re: optimistic dad comments

2004-06-03 Thread Greg Daley
Hi Pekka, Pekka Savola wrote: On Wed, 2 Jun 2004, Erik Nordmark wrote: My concern with using the unspecified address comes from the experience we had in MAGMA where we had to specify which source address to use in the MLDv1 packets. RFC 3590 does allow the unspecified source for MLD messages duri

Re: oDAD: allowing RS from tentative addresses (Re: optimistic dad comments)

2004-06-03 Thread Greg Daley
Hi Nick. Nick 'Sharkey' Moore wrote: On 2004-06-03, Greg Daley wrote: RFC2461's Section 7.2.3 describes the router's own recovery from this incorrect state, by sending subsequent router or neigbour advertisements. Considering that the device doing optimistic DAD which er

Re: oDAD: allowing RS from tentative addresses (Re: optimistic dad comments)

2004-06-03 Thread Greg Daley
Hi Erik, Erik Nordmark wrote: If Optimistic DAD doesn't allow for unicast responses to router solicitations, the potential for fast advertisement to such hosts is severely diminished. So how could something work? I'm assuming that somehow, perhaps using a token bucket filter instead of a fix 1 eve

oDAD: allowing RS from tentative addresses (Re: optimistic dad comments)

2004-06-03 Thread Greg Daley
G'day Sharkey, Nick 'Sharkey' Moore wrote: [G'day Eric, thanks for your input ...] On 2004-06-01, Erik Nordmark wrote: [Pekka Savola wrote:] 1) The draft specifies that instead of using a tentative address as the source address for RS, another address or the unspecified address should be used inste

Re: ND-proxy applicability and loop-prevention

2004-03-28 Thread Greg Daley
Hi Margaret, Margaret Wasserman wrote: At 12:56 PM +0200 3/23/04, Jari Arkko wrote: I think it would be possible to detect loops if we wanted really hard to do that. That might just lead to reinvention of the spanning tree protocol, though. This is a danger, yes. Why is this a danger? I t

Defending against DIID (was Re: [rfc2462bis issue 275] DAD text inconsistencies)

2004-02-26 Thread Greg Daley
Hi itojun, I think Nick was expressing frustration in this case, rather than proposing to adopt a bad solution. Jun-ichiro itojun Hagino wrote: Yes, DIID probably (or something similar). I believe that simplest solution is that a specific ID value can be allowed only for single node on the link. A

Re: [rfc2462bis issue 275] DAD text inconsistencies

2004-02-26 Thread Greg Daley
Hi Sharkey, Nick 'Sharkey' Moore wrote: On 2004-02-27, Nick 'Sharkey' Moore wrote: I'm convinced that a change needs to be made to the wording to resolve this issue, but I'm not sure which is the better option. My suggested text for "DAD but interoperable with DIID": [5.4. Duplicate Address De

Re: [rfc2462bis issue 275] DAD text inconsistencies

2004-02-26 Thread Greg Daley
Hi Sharkey, Nick 'Sharkey' Moore wrote: On 2004-02-27, Greg Daley wrote: Nick 'Sharkey' Moore wrote: - When configuring a global unicast address, the link-local address with the same suffix as that address MUST be configured and tested for uniqueness in order to maint

Re: [rfc2462bis issue 275] DAD text inconsistencies

2004-02-24 Thread Greg Daley
Hi Francis, Francis Dupont wrote: In your previous mail you wrote: >Omitting DAD altogether removes the ability to detect and correct >address collisions, whereas optimizations such as Optimistic DAD >mean that while there may be a short term disruption the problem >w

Re: [rfc2462bis issue 275] DAD text inconsistencies

2004-02-24 Thread Greg Daley
Hi Francis, Francis Dupont wrote: In your previous mail you wrote: > >- whether omitting/optimizing DAD is a good idea > > => IMHO this is the same thing, i.e., optimizing gives the same result > than omitting. Omitting DAD altogether removes the ability to detect and cor

Re: rfc2462bis -- loopback suppression

2004-02-15 Thread Greg Daley
Hi Ole, Ole Troan wrote: Greg, This essentially the problem with DAD on wifi, right? That should make a general solution more interesting then just a corner case. no, this is a general problem. I've seen this on Ethernet. I've spoken to the DAD/WIFI draft owners and we've agreed to add the id o

Re: rfc2462bis -- loopback suppression

2004-02-12 Thread Greg Daley
ived DAD NS's are its own. These options would even be able to be used in non-SEND solicitations under the constraint that there's no trust associated with them (since they're not signed messages). There's no further identifier definition required (although it would be valuable

Re: [rfc2462bis issue 274] conflict between MLD and NS delay

2004-02-08 Thread Greg Daley
Hi Brian, Brian Haberman wrote: I don't like the idea of a random delay in the MLD Reports. As I said in another note, it either adversely affects the logic in the MLD specs or causes application delays for non-LL groups. Is having a delay in the NS transmission alone sufficient? So that the Rep

Re: [rfc2462bis issue 274] conflict between MLD and NS delay

2004-02-05 Thread Greg Daley
AD NS, the node should ensure that either there has been sufficient time between MLD transmission and NS, in order to guarantee packet ordering on the link. Alternatively, explicit indication that transmission has occurred would achieve the same purpose. Greg Daley

Learning a valid prefix (Re: ICMPv6: New destination unreachable codes)

2004-02-01 Thread Greg Daley
is not on the first hop, I'm pretty sure you wouldn't trust it to dictate which address to use anyway (without further checks). Greg Daley IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests:

Re: Issue 13: Omission of prefix options - summary

2003-11-06 Thread Greg Daley
Hi Jim, Bound, Jim wrote: >Tbis discussion should go to mipshop IMO. > >Of course I do not have an issue with other docs extending ND options. > >But I don't believe this is needed and would like to see clear what >problem is this solving. It does not help with MD but I do not think >this WG is

Re: Issue 13: Omission of prefix options - resolution

2003-11-05 Thread Greg Daley
Hi Tim, Tim Hartrick wrote: Greg, Backward compatability shouldn't really be a problem. Hosts which are doing RFC2461 Router Discovery will understand RAs with options or bits in them indicating solicitation or completeness, but just not be able to access the improved function. If a host that

Re: Issue 13: Omission of prefix options - resolution

2003-11-05 Thread Greg Daley
Hi Hesham, Soliman Hesham wrote: > When this problem was noted in the early days I remember > suggesting adding > "Solicited" bit to the router advertisement to address this > issue. Because > of backward compatibility problems that solution will no > longer work well. > > Is there so

Re: Issue 13: Omission of prefix options - resolution

2003-11-04 Thread Greg Daley
Hi Tim, Tim Hartrick wrote: All, Suggested resolution: - Introduce a new code (1) in the router solicitation and advertisement. When a host sends an RS with code = 1 it requests that the RA include all prefixses valid on that link. Similarly, when a router sends an RA with code=1 it means that

Re: Issue 13: Omission of prefix options - resolution

2003-11-04 Thread Greg Daley
Hi Pekka, Pekka Savola wrote: On Tue, 4 Nov 2003, Erik Nordmark wrote: There is really no reason to omit those prefixes that I could see. Rather than adding new code to verify this, shouldn't we just warn about this situation and be done with it? Or even state that prefixes SHOULD NOT (or MUST

Re: RFC 2461- issue list

2003-11-03 Thread Greg Daley
Dear Jinmei-san, JINMEI Tatuya / wrote: On Fri, 31 Oct 2003 12:52:14 +1100, Greg Daley <[EMAIL PROTECTED]> said: The difficulty comes when an RS comes from a global source address which is not directly connected to a router. Based on RS processing rules, the host which sent the

Re: RFC 2461- issue list

2003-10-30 Thread Greg Daley
Hi Hesham and Pekka, I'm not sure if this is the same issue (looks somewhat related), but RFC2461 allows any source address for an RS message, and only link-local response (doesn't match scopes). The difficulty comes when an RS comes from a global source address which is not directly connected to

Re: "RFC 2461bis" issue: DNS configuration

2003-10-28 Thread Greg Daley
s the implementation of DHC on routers doesn't need to be terribly sophisticated, and avoids lumping generic configuration into a service which is addressing and routing oriented (Router Advertisement). Greg Daley IETF IPv