Re: FW: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-24 Thread Pekka Savola
On Fri, 24 Oct 2003, jspark wrote: > > But it is mandated by the specs. So > > these addresses are > > *not* truly, completely, totally, unique. > > In our spec. > The uniqueness of LL unicast address is verified by DAD procedure. > And then, EUI-64 IID (or other) is extracted from LL Unicast add

Re: FW: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-24 Thread Jerome Durand
Hi I don't get: 1°) The need for such link-local adresses. Maybe it should be described in the document (saying you will not need any allocation server or equivalent is not enough I think). What type of applications you think will need these link-local adresses? 2°) Why to use the flag bi

FW: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-24 Thread jspark
-Original Message- From: jspark [mailto:[EMAIL PROTECTED] Sent: Friday, October 24, 2003 7:51 PM To: 'Pekka Savola' Cc: '[EMAIL PROTECTED]'; '[EMAIL PROTECTED]' Hi Pekka. On Fri, 24 Oct 2003, Pekka Savola wrote: > First, there is typically just one link-local address. > Either it

RE: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-23 Thread Pekka Savola
On Fri, 24 Oct 2003, jspark wrote: > Section 3 of our spec says: > --- > "Interface ID field is used to distinguish each host from others. And >this value is obtained from the IEEE EUI-64 based interface >identifier of the link-local unicast IPv6 address." > --- > > Ou

RE: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-23 Thread Soohong Daniel Park
> Hi, Pekka. > > >>>Pekka Savola wrote: > >> > First, there is no guarantee of uniqueness in the first place, as > >> > DAD on the IPv6 link-local unicast address was performed on the > >> > address, not the Interface-ID. In practice, the > collisions should be > very rare, though. My understa

RE: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-23 Thread jspark
Hi, Pekka. >>>Pekka Savola wrote: >> > First, there is no guarantee of uniqueness in the first place, as >> > DAD on the IPv6 link-local unicast address was performed on the >> > address, not the Interface-ID. In practice, the collisions should be very rare, though. >>Myung-Ki Shin wrote: >>

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Pekka Savola
On Thu, 23 Oct 2003, Myung-Ki Shin wrote: [...] >As Erik said, I think that this draft has benefits over unicast-prefix for >scope <=2. >Each node can allocate group ID (32 bits) independently (without any user >input, without a fear of collision or any additional mechanisms). The

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Myung-Ki Shin
Hi, Pekka. Pekka Savola wrote: > There are a large number of things to be said, but I'll just stick to two > main points. I've never seen much use for this specification, and I do > not believe this specification is useful as is. As Erik said, I think that this draft has benefits over unicas

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Myung-Ki Shin
Erik Nordmark wrote: > > In my memory, > > IPv6 guys also agreed on our view during the 54th IETF meeting. > > > > I think .. > > RFC3306 needs allocation server of 32bit goup ID > > in order to support the uniqueness in the site. > > This site is identified by network prefix. > > > > But, > > Gro

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Pekka Savola
On Wed, 22 Oct 2003, Pekka Savola wrote: > - put it in RFC3306 address, like FF32:40:fe80:: or >FF32:A:fe80::. >this would leave 64 bits space to generate an address, assuming the >group-id is 32. > - the 64 bits () could be the interface ID of the link-local >address, or someth

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Pekka Savola
Hi, On Tue, 21 Oct 2003, Bob Hinden wrote: > This is a IPv6 working group last call for comments on advancing the > following document as an Proposed Standard: > > Title : Link Scoped IPv6 Multicast Addresses > Author(s) : J. Park, et al. > Filename: dra

RE: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Erik Nordmark
> In my memory, > IPv6 guys also agreed on our view during the 54th IETF meeting. > > I think .. > RFC3306 needs allocation server of 32bit goup ID > in order to support the uniqueness in the site. > This site is identified by network prefix. > > But, > Group ID Autoconfiguration in link-scope w

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Brian Haberman
Please ignore this message. The correct Last Call announcement is in a separate message. Brian Brian Haberman wrote: This is a IPv6 working group last call for comments on advancing the following document as an Proposed Standard: Title: IPv6 Scoped Address Architecture Author(s)

RE: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread jspark
Hi Erik Thanks for your comments. > I'm trying to understand why the RFC 3306 are so broken for scope <=2 > that they can not be used. > While using the new address format for scope <= 2 would presumably be >preferred I don't see why prohibiting > (as the "MUST" above does) the use of RFC 3306

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Brian Haberman
Please ignore this message. The correct Last Call announcement is in a separate message. Brian Brian Haberman wrote: This is a IPv6 working group last call for comments on advancing the following document as an Proposed Standard: Title: Deprecating Site Local Addresses Author(s)

IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Brian Haberman
This is a IPv6 working group last call for comments on advancing the following document as an Proposed Standard: Title : IPv6 Scoped Address Architecture Author(s) : S. Deering et al. Filename: draft-ietf-ipv6-scoping-arch-00.txt Pages

IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Brian Haberman
This is a IPv6 working group last call for comments on advancing the following document as an Proposed Standard: Title : Deprecating Site Local Addresses Author(s) : C. Huitema, B. Carpenter Filename: draft-ietf-ipv6-deprecate-site-local-01.txt

Re: IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-22 Thread Erik Nordmark
The document says: scop <= 2. The value of this multicast address is necessary to distinguish between an Interface ID-based multicast address and a unicast-prefix-based multicast address. If scop <= 2, the former MUST be used. That is, this document updates the [RFC 3306], which d

IPv6 w.g. Last Call on "Link Scoped IPv6 Multicast Addresses"

2003-10-21 Thread Bob Hinden
This is a IPv6 working group last call for comments on advancing the following document as an Proposed Standard: Title : Link Scoped IPv6 Multicast Addresses Author(s) : J. Park, et al. Filename: draft-ietf-ipv6-link-scoped-mcast-03.txt Page