Hi:

Also, Table 6 is still formatted slightly differently than Table 4 & 5 - the 
message names (first column) in Table 6 are not shaded in the PDF version as 
they are in the other tables (in TXT version, dashes are used versus equal 
signs).

- Bernie

> On Dec 11, 2025, at 3:53 PM, Bernie Volz <[email protected]> wrote:
> 
> Hi:
> 
> Sorry for the confusion regarding the encapsulated option definition in 
> section 4.2, but we believe it would be best to reference both sections:
> 
> Use:
> 
>  A DHCP option that is usually only contained in another option. For
>  example, the IA Address option is contained in IA_NA options (see
>  Sections 21.6 and 21.4, respectively). See Section 9 of [RFC7227] for a more 
> complete
>  definition.
> 
> Thanks.
> 
> - Bernie
> 
>> On Dec 11, 2025, at 12:47 PM, Megan Ferguson 
>> <[email protected]> wrote:
>> 
>> Authors and *AD,
>> 
>> [*AD - please review question 2 below.]
>> 
>> Thank you for your replies to our queries and sending along the further 
>> edits.  We have updated accordingly, but had the following questions/issues 
>> to resolve:
>> 
>> 1) Looking at this note:
>> 
>>> - IMPORTANT: The "encapsulated option" definition (section 4.2) references 
>>> section 21.5 (IA_TA) which should be 21.4 (IA_NA).
>> 
>> We see in the reply to our queries, you had suggested a related update:
>> 
>> 
>>> 4) <!-- [rfced] The following citation may require clarification:
>>> 
>>> Current:
>>>  A DHCP option that is usually only contained in another option. For
>>>  example, the IA Address option is contained in IA_NA options (see
>>>  Section 21.5). See Section 9 of [RFC7227] for a more complete
>>>  definition.
>>> 
>>> Section 21.5 is about the "IA_TA" option, rather than the "IA_NA"
>>> option. Note: Section 21.6 is about the "IA Address Option".
>>> -->
>>> 
>>> AUTHORS: The text should reference section 21.4. Hence:
>>> 
>>> Perhaps:
>>>  A DHCP option that is usually only contained in another option. For
>>>  example, the IA Address option is contained in IA_NA options (see
>>>  Sections 21.6 and 21.4, respectively). See Section 9 of [RFC7227] for a 
>>> more complete
>>>  definition.
>> 
>> Please review and let us know which section(s) should be cited (i.e., 21.6 
>> and 21.4 or 21.4 only).
>> 
>> 
>> 2) *AD, please review and approve the following change to Section 21.12:
>> 
>>> - IMPORTANT: In section 21.12 Server Unicast Option we likely added "The 
>>> client SHOULD NOT request this option in the Option Request option." But I 
>>> wonder whether we should remove this as a client was NEVER supposed to 
>>> request it anyway (3315/8415). Perhaps we should say:
>>> 
>>> OLD:
>>> 
>>>   The client SHOULD NOT request this option in the Option Request
>>>   option.  The server SHOULD NOT send this option, even when requested
>>>   by clients.  When any entity receives the Server Unicast option, the
>>>   option SHOULD be ignored and the message processing should continue
>>>   as usual.
>>> 
>>>   As this option was not very popular, and it typically required
>>>   special configuration by those server implementations that did support
>>>   it, clients still requesting this option in the Option Request option
>>>   are increasingly unlikely to receive it.
>>> 
>>> NEW:
>>> 
>>>   The server SHOULD NOT send this option. When any entity receives the
>>>   Server Unicast option, the option SHOULD be ignored and the message
>>>   processing should continue as usual.
>>> 
>>> Note: This deletes the second paragraph as it is wrong (clients don't 
>>> request in ORO) and it really doesn't add to what is already in the 
>>> document.
>> 
>> 3) Regarding:
>> 
>>> - MAJOR: Appendix B, Table 4 ... several asterisks are in the wrong place:
>> 
>> Apologies for these getting garbled!  We have updated as requested and 
>> reviewed the other tables in the appendices to make sure they appear as in 
>> the original.
>> 
>> Please review the files carefully as we do not make changes after 
>> publication.  
>> 
>> The files have been posted here (please refresh):
>>  https://www.rfc-editor.org/authors/rfc9915.txt
>>  https://www.rfc-editor.org/authors/rfc9915.pdf
>>  https://www.rfc-editor.org/authors/rfc9915.html
>>  https://www.rfc-editor.org/authors/rfc9915.xml
>> 
>> The relevant diff files have been posted here (please refresh):
>>  https://www.rfc-editor.org/authors/rfc9915-diff.html (comprehensive diff)
>>  https://www.rfc-editor.org/authors/rfc9915-rfcdiff.html (comprehensive side 
>> by side)
>>  https://www.rfc-editor.org/authors/rfc9915-auth48diff.html (AUTH48 changes 
>> only)
>>  https://www.rfc-editor.org/authors/rfc9915-auth48rfcdiff.html (AUTH48 side 
>> by side)
>> 
>> 
>> Please contact us with any further updates/questions/comments you may have.  
>> 
>> We will await approvals from each of the parties listed on the AUTH48 status 
>> page prior to moving forward to publication.  
>> 
>> The AUTH48 status page for this document is available here:
>> 
>> https://www.rfc-editor.org/auth48/rfc9915
>> 
>> Thank you.
>> 
>> RFC Editor/mf
>> 
>> 
>> 
>>>> On Dec 9, 2025, at 3:55 AM, Bernie Volz <[email protected]> wrote:
>>> 
>>> The Authors also have the following additional comments and concerns 
>>> regarding the RFC9915 “draft” review:
>>> 
>>> - IMPORTANT: The "encapsulated option" definition (section 4.2) references 
>>> section 21.5 (IA_TA) which should be 21.4 (IA_NA).
>>> 
>>> - IMPORTANT: Section 21.1 references 21.5 when it no longer needs to as 
>>> IA_TA has been deprecated. So, I think we should remove it. Note: checked 
>>> all other references to 21.5 and they are appropriate.
>>> 
>>> - MINOR: In section 4.2, we wonder if "IA option(s)" definition needs 
>>> "options"? "In this document, one or more IA_NA, IA_TA (obsoleted), and/or 
>>> IA_PD [options]. ..."?
>>> 
>>> - IMPORTANT: In section 21.12 Server Unicast Option we likely added "The 
>>> client SHOULD NOT request this option in the Option Request option." But I 
>>> wonder whether we should remove this as a client was NEVER supposed to 
>>> request it anyway (3315/8415). Perhaps we should say:
>>> 
>>> OLD:
>>> 
>>>   The client SHOULD NOT request this option in the Option Request
>>>   option.  The server SHOULD NOT send this option, even when requested
>>>   by clients.  When any entity receives the Server Unicast option, the
>>>   option SHOULD be ignored and the message processing should continue
>>>   as usual.
>>> 
>>>   As this option was not very popular, and it typically required
>>>   special configuration by those server implementations that did support
>>>   it, clients still requesting this option in the Option Request option
>>>   are increasingly unlikely to receive it.
>>> 
>>> NEW:
>>> 
>>>   The server SHOULD NOT send this option. When any entity receives the
>>>   Server Unicast option, the option SHOULD be ignored and the message
>>>   processing should continue as usual.
>>> 
>>> Note: This deletes the second paragraph as it is wrong (clients don't 
>>> request in ORO) and it really doesn't add to what is already in the 
>>> document.
>>> 
>>> - MINOR: At the end of Section 22(.0), the text has "and limiting the 
>>> number of messages a single client can transmit of a period of time.", 
>>> which seems a bit odd. Wonder whether we should say "in a period of time"? 
>>> (Auto suggested is "for a period of time", but we think "in" is better?)
>>> 
>>> - MAJOR: Appendix B, Table 4 ... several asterisks are in the wrong place:
>>> 
>>> OLD:
>>> 
>>> 
>>> Client ID
>>> Server ID
>>> IA_NA
>>> IA_PD
>>> ORO
>>> Pref
>>> Elap. Time
>>> Relay Msg.
>>> Auth.
>>> Solicit
>>> *
>>> 
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Advert.
>>> *
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> 
>>> Request
>>> *
>>> *
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Confirm
>>> *
>>> 
>>> *
>>> 
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Renew
>>> *
>>> *
>>> *
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> Rebind
>>> *
>>> 
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Decline
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Release
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Reply
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> 
>>> 
>>> *
>>> Reconf
>>> *
>>> *
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> Inform.
>>> *
>>> (see note)
>>> 
>>> 
>>> *
>>> 
>>> *
>>> 
>>> 
>>> R-forw.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> R-repl.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> 
>>> New:
>>> 
>>> 
>>> Client ID
>>> Server ID
>>> IA_NA
>>> IA_PD
>>> ORO
>>> Pref
>>> Elap. Time
>>> Relay Msg.
>>> Auth.
>>> Solicit
>>> *
>>> 
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Advert.
>>> *
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> 
>>> Request
>>> *
>>> *
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Confirm
>>> *
>>> 
>>> *
>>> 
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Renew
>>> *
>>> *
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Rebind
>>> *
>>> 
>>> *
>>> *
>>> *
>>> 
>>> *
>>> 
>>> 
>>> Decline
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Release
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Reply
>>> *
>>> *
>>> *
>>> *
>>> 
>>> 
>>> 
>>> 
>>> *
>>> Reconf
>>> *
>>> *
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> Inform.
>>> *
>>> (see note)
>>> 
>>> 
>>> *
>>> 
>>> *
>>> 
>>> 
>>> R-forw.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> 
>>> R-repl.
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> *
>>> 
>>> 
>>> Basically, for Renew (remove Perf option), R-forw. (add Relay Msg. and 
>>> remove Auth), and R-Repl. (add Relay Msg. and remove Auth).
>>> 
>>> Thanks much!
>>> 
>>>>> On Nov 24, 2025, at 7:55 PM, [email protected] wrote:
>>>> 
>>>> *****IMPORTANT*****
>>>> 
>>>> Updated 2025/11/24
>>>> 
>>>> RFC Author(s):
>>>> --------------
>>>> 
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>>>> 
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>>>> 
>>>> Files
>>>> -----
>>>> 
>>>> The files are available here:
>>>> https://www.rfc-editor.org/authors/rfc9915.xml
>>>> https://www.rfc-editor.org/authors/rfc9915.html
>>>> https://www.rfc-editor.org/authors/rfc9915.pdf
>>>> https://www.rfc-editor.org/authors/rfc9915.txt
>>>> 
>>>> Diff file of the text:
>>>> https://www.rfc-editor.org/authors/rfc9915-diff.html
>>>> https://www.rfc-editor.org/authors/rfc9915-rfcdiff.html (side by side)
>>>> 
>>>> Diff of the XML:
>>>> https://www.rfc-editor.org/authors/rfc9915-xmldiff1.html
>>>> 
>>>> 
>>>> Tracking progress
>>>> -----------------
>>>> 
>>>> The details of the AUTH48 status of your document are here:
>>>> https://www.rfc-editor.org/auth48/rfc9915
>>>> 
>>>> Please let us know if you have any questions.  
>>>> 
>>>> Thank you for your cooperation,
>>>> 
>>>> RFC Editor
>>>> 
>>>> --------------------------------------
>>>> RFC9915 (draft-ietf-dhc-rfc8415bis-12)
>>>> 
>>>> Title            : Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
>>>> Author(s)        : T. Mrugalski, B. Volz, M. Richardson, S. Jiang, T. 
>>>> Winters
>>>> WG Chair(s)      : Timothy Winters, Bernie Volz
>>>> Area Director(s) : Erik Kline, Éric Vyncke
>> 
>> 
>> 

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