Re: [dhcwg] Question about 3315id-for-v4

On Apr 20, 2004, at 8:58 AM, Ralph Droms wrote:
> Is there some other way in which the use of the DHCID RR can be
> defined to avoid requiring the parsing of any client identification 
> (either
> DHCpv4 or DHCPv6)?

No.   During the last call both Bernie and Barr expressed a wish that 
we could do this, and we discussed and rejected a method for doing 
this.   The problem is that the only way to make it so the server 
doesn't have to parse the identifier is to add an additional identifier 
option, and if we do that, clients supporting the new identifier style 
will not interoperate with servers that do not in some cases.

The only objection I can think of to the server parsing the client 
identifier option is that we have historically said the client 
identifier is opaque.   However, there is a good reason to break with 
this tradition, and I don't see how doing so would create an 
interoperability problem.   So if we try to keep this tradition, we 
break interoperability with old servers.   If we break this tradition, 
we do not.   So I think we have to use the IAID+DUID form of the client 
identifier option, and not add a separate IAID option.

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