Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread JINMEI Tatuya / $B?@L@C#:H(B
> On Mon, 26 Apr 2004 22:28:05 -0700, > Alain Durand <[EMAIL PROTECTED]> said: > My biggest question is: can we recycle rfc2462bis as DS despite fact > 3? > I failed to see what is wrong with the unused feature elimination > Christian described > when moving along the standard track. No

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Alain Durand
On Apr 26, 2004, at 10:02 PM, S. Daniel Park wrote: To give a hint that DHCPv6 is present? Don't you consider this useful? I have no hard stance whether to remove M&O bits or not at this stage, however if we remove it, I guess somebody will sporadically define similar flags into the RA repeatly so

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Alain Durand
(B (BOn Apr 26, 2004, at 10:09 PM, JINMEI Tatuya / (B[EMAIL PROTECTED]@C#:H(B (Bwrote: (B (B (BMy biggest question is: can we recycle rfc2462bis as DS (Bdespite fact (B (B3? (B (B (B (BI failed to see what is wrong with the unused feature elimination (BChristian described (B (Bwh

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread JINMEI Tatuya / $B?@L@C#:H(B
> On Mon, 26 Apr 2004 17:28:02 -0700, > Alain Durand <[EMAIL PROTECTED]> said: >> At this time, the chairs believe that there is code that >> sets the M&O bits and at least one implementation that reads and acts >> on these bits. > This is certainly not enough to claim interoperability.

RE: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread S. Daniel Park
> >> To give a hint that DHCPv6 is present? > > > > Don't you consider this useful? I have no hard stance whether to remove M&O bits or not at this stage, however if we remove it, I guess somebody will sporadically define similar flags into the RA repeatly so as to perform that kind of operatio

RE: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Soliman Hesham
Alain (B (BYour point about security is valid but is relevant to securing RAs (Bin general, and is not specific to the M/O bits. If you want to be sure (Bthey're (Bsecure just use SEND. (B (BHesham (B (B (B > -Original Message- (B > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTEC

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Alain Durand
On Apr 26, 2004, at 2:50 PM, Brian Haberman wrote: At this time, the chairs believe that there is code that sets the M&O bits and at least one implementation that reads and acts on these bits. This is certainly not enough to claim interoperability. - Alain.

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Brian Haberman
JINMEI wrote: On Sat, 24 Apr 2004 22:08:28 -0700, "Christian Huitema" <[EMAIL PROTECTED]> said: Some people commented that we needed to clarify what's bad with the M/O flags if we want to deprecate (or remove) them. (folding a long line) The normal IETF practice is that when a document pr

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Alain Durand
On Apr 26, 2004, at 1:10 PM, Iljitsch van Beijnum wrote: On 26-apr-04, at 19:14, Alain Durand wrote: Let me try to explain why I, as an implementor, do not like the M/O bits very much. It is not that DHCPv6 cannot be made secure, it is that the M/O bits are an automatic and insecure way to tri

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Iljitsch van Beijnum
On 26-apr-04, at 19:14, Alain Durand wrote: Let me try to explain why I, as an implementor, do not like the M/O bits very much. It is not that DHCPv6 cannot be made secure, it is that the M/O bits are an automatic and insecure way to trigger an external configuration mechanism. So you object t

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Alain Durand
Let me try to explain why I, as an implementor, do not like the M/O bits very much. It is not that DHCPv6 cannot be made secure, it is that the M/O bits are an automatic and insecure way to trigger an external configuration mechanism. The are security implication for the hosts in implementing t

RE: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Christian Huitema
> Baseline is, it would be good to postpone the deprecation discussion and (B> at the same time update the definition of the use of the M/O bits. I can (B> think of scenarios where M/O is useful but the mental picture of these (B> is not clear enough yet to really make a point. Deciding upon (

Re: [rfc2462bis] whether we need the M/O flags

2004-04-26 Thread Christian Strauf (JOIN)
> (Note: In this message, I'm basically speaking just as an individual > in this list. I'll propose an action as a 2462bis editor after the > entire discussion; it may or may not be same as what I'm going to say > below) I think your approach to look at the two sides of the medal is very useful, b