[dhcwg] Re: No DHCPv6 Algorithm

> M=0 O=1  (Free combination we may use it for  X-Address Assignment Algorithms + other services) (My proposal)


This is not a “free” combination. It means use other information (i.e., send Information-Request). Perhaps you meant M=1, O=1, but that too has significance. 

The text is actually in RFC 4861 about these router advertisement bits. And these are specifically about DHCPv6 so you would have to request other bits if you want to develop a new assignment protocol. And, as this is IPv6 Router Advertisements, you would work though 6man wg. This is not a dhc wg issue.

Do note there was a LOT of discussion (debate) about these bits and likely 6man would not look forward to a new debate for another address assignment protocol.

The bar for a new protocol would also be high as why would it be needed? Why can’t you fit whatever you want to do with the DHCPv6 protocol and just alter the DHCPv6 server’s assignment policy?

- Bernie Volz

> On Jun 25, 2024, at 7:40 PM, Adnan Rashid <[email protected]> wrote:
> 
> 
> Dear All.
> 
> As stated in the rfc3315
> 
> <image.png>
> 
> 
> 
> 
> I have the following questions/queries/proposals. 
> Is it possible to use the M=1 for any X-Address Assignment Protocol instead of the DHCPv6 protocol? OR
> What if I introduce another bit after the O-bit in the RA message for any X-Address Assignment Protocol  (there are some reserved/free bits available)? We can state that anyone can use that X-bit for any X-Address Assignment Algorithm.  OR
>  Combination of M and O bits as mentioned below
> 
> M=1 O=0  (DHCPv6 +DNS and other services available via DHCPv6) as per RFC3315
> M=0 O=0  (SLAAC + No DNS and other services) as per RFC3315
> M=0 O=1  (Free combination we may use it for  X-Address Assignment Algorithms + other services) (My proposal)
> 
> looking forward to your response. Thanks 
> 
> --
> Regards,
> 
> Adnan
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