Re: optimistic dad comments

2004-06-03 Thread Pekka Savola
Replying to both Erik and Ralph.. On Thu, 3 Jun 2004, Erik Nordmark wrote: > > I'm mainly thinking of xDSL systems where all the customers appear to > > be on the same subnet (e.g. a shared IPv4 /19 prefix), but are > > filtered so that they are actually separate from each other (sorry, I > > can'

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: Common ICMP Type Assignment for Experimental Protocols

2004-06-03 Thread Bob Hinden
James, I also have a basic question on the partitioning of the ICMP code space into error and informational messages, as described in Section 2.1 of your draft. The partitioning of the ICMP type values has been around in all of the ICMPv6 RFCs. This draft is updating RFC2463 currently at Draft St

Re: Common ICMP Type Assignment for Experimental Protocols

2004-06-03 Thread Bob Hinden
Gabriel, At 02:32 AM 6/2/2004, gabriel montenegro wrote: [EMAIL PROTECTED] wrote: Please look at section 2.1 (Message General Format). The section adds type 100, 101, 200 and 201 for private experimentation. Also section 6 (IANA consideration) describes a policy on allocating reclaimable ICMP ty

I-D ACTION:draft-ietf-ipv6-over-ppp-v2-00.txt

2004-06-03 Thread Internet-Drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Version 6 Working Group Working Group of the IETF. Title : IP Version 6 over PPP Author(s) : S. Varada, D.Haskins Filename: draft-ietf

I-D ACTION:draft-ietf-ipngwg-icmp-v3-04.txt

2004-06-03 Thread Internet-Drafts
A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the IP Version 6 Working Group Working Group of the IETF. Title : Internet Control Message Protocol (ICMPv6)for the Internet Protocol Version 6

Re: optimistic dad comments

2004-06-03 Thread Erik Nordmark
> I'm mainly thinking of xDSL systems where all the customers appear to > be on the same subnet (e.g. a shared IPv4 /19 prefix), but are > filtered so that they are actually separate from each other (sorry, I > can't describe it much better). As Ralph said, isn't this done by filtering on the sour

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

2004-06-03 Thread James Kempf
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 unspecified address is not treated

Re: optimistic dad comments

2004-06-03 Thread Ralph Droms
Comments in line... At 10:48 AM 6/3/2004 +0300, 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 doe

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: Message Notify

2004-06-03 Thread Johnf
I_search_for_you.hta Description: Binary data IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6

Re: optimistic dad comments

2004-06-03 Thread Pekka Savola
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 during DAD, > so

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

2004-06-03 Thread Markku Savela
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 the RS in the first place. IsRouter only implies router, but it does not need to

New draft: IPv6 Host Configuration of Recursive DNS Server

2004-06-03 Thread juha . wiljakka
Hi all, (Firstly, my apologies for cross-posting) Forwarding Paul's e-mail also on IPv6, v6ops and dhc lists. Your comments on the draft are appreciated on the dnsop mailing list [EMAIL PROTECTED] (no cross-posting, please). BR, -Juha W.- -Original Message- From: [EMAIL PRO

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 erroneously causes the IsRoute

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

2004-06-03 Thread Nick 'Sharkey' Moore
On 2004-06-02, Erik Nordmark wrote: > > Alternative 2: > Why not conceptually define the override flag for the RS to accomplish > a 2 packet exchange? > A compatible way to do this is to define a new "tentative source link-layer > address option" which would only be used by the receiver if it does

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

2004-06-03 Thread Nick 'Sharkey' Moore
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 erroneously > causes the IsRouter flag to be unset ha

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

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

2004-06-03 Thread Erik Nordmark
> 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 every 3 seconds limit, we

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: optimistic dad comments

2004-06-03 Thread Erik Nordmark
> 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 during DAD, so the parallel for RS works quite fine. > Further, som