Re: [tsvwg] [Editorial Errata Reported] RFC9260 (7387)

[Chris Smiley <[e-mail]>]

Hi Martin,

We are unable to verify this erratum that the submitter marked as editorial. 
Please note that we have changed the “Type” of the following errata 
report to “Technical”. As Stream Approver, please review and set the 
Status and Type accordingly (see the definitions at 
https://www.rfc-editor.org/errata-definitions/).

You may review the report at: 
https://www.rfc-editor.org/errata/eid7387

Please see https://www.rfc-editor.org/how-to-verify/ for further 
information on how to verify errata reports.

Further information on errata can be found at: 
https://www.rfc-editor.org/errata.php.

Thank you.

RFC Editor/cs

> On Mar 16, 2023, at 4:39 AM, RFC Errata System <[e-mail]> wrote:
> 
> The following errata report has been submitted for RFC9260,
> "Stream Control Transmission Protocol".
> 
> --------------------------------------
> You may review the report below and at:
> https://www.rfc-editor.org/errata/eid7387
> 
> --------------------------------------
> Type: Editorial
> Reported by: Michael Tüxen <[e-mail]>
> 
> Section: 5.2.4.1
> 
> Original Text
> -------------
>   Endpoint A                                          Endpoint Z
>   <-------------- Association is established---------------------->
>   Tag=Tag_A                                             Tag=Tag_Z
>   <--------------------------------------------------------------->
>   {A crashes and restarts}
>   {app sets up an association with Z}
>   (build TCB)
>   INIT [I-Tag=Tag_A'
>         & other info]  --------\
>   (Start T1-init timer)         \
>   (Enter COOKIE-WAIT state)      \---> (find an existing TCB,
>                                         populate TieTags if needed,
>                                         compose Cookie_Z with Tie-Tags
>                                         and other info)
>                                   /--- INIT ACK [Veri Tag=Tag_A',
>                                  /               I-Tag=Tag_Z',
>   (Cancel T1-init timer) <------/                Cookie_Z]
>                                        (leave original TCB in place)
>   COOKIE ECHO [Veri=Tag_Z',
>                Cookie_Z]-------\
>   (Start T1-init timer)         \
>   (Enter COOKIE-ECHOED state)    \---> (Find existing association,
>                                         Tie-Tags in Cookie_Z match
>                                         Tie-Tags in TCB,
>                                         Tags do not match, i.e.,
>                                         case X X M M above,
>                                         Announce Restart to ULP
>                                         and reset association).
>                                  /---- COOKIE ACK
>   (Cancel T1-init timer, <------/
>    Enter ESTABLISHED state)
>   {app sends 1st user data; strm 0}
>   DATA [TSN=Initial TSN_A
>       Strm=0,Seq=0 & user data]--\
>   (Start T3-rtx timer)            \
>                                    \->
>                                 /--- SACK [TSN Ack=init TSN_A,Block=0]
>   (Cancel T3-rtx timer) <------/
> 
> 
> Corrected Text
> --------------
>   Endpoint A                                          Endpoint Z
>   <-------------- Association is established---------------------->
>   Tag=Tag_A                                             Tag=Tag_Z
>   <--------------------------------------------------------------->
>   {A crashes and restarts}
>   {app sets up an association with Z}
>   (build TCB)
>   INIT [I-Tag=Tag_A'
>         & other info]  --------\
>   (Start T1-init timer)         \
>   (Enter COOKIE-WAIT state)      \---> (find an existing TCB,
>                                         populate TieTags if needed,
>                                         compose Cookie_Z with Tie-Tags
>                                         and other info)
>                                   /--- INIT ACK [Veri Tag=Tag_A',
>                                  /               I-Tag=Tag_Z',
>   (Cancel T1-init timer) <------/                Cookie_Z]
>                                        (leave original TCB in place)
>   COOKIE ECHO [Veri=Tag_Z',
>                Cookie_Z]-------\
>   (Start T1-cookie timer)       \
>   (Enter COOKIE-ECHOED state)    \---> (Find existing association,
>                                         Tie-Tags in Cookie_Z match
>                                         Tie-Tags in TCB,
>                                         Tags do not match, i.e.,
>                                         case X X M M above,
>                                         Announce Restart to ULP
>                                         and reset association).
>                                  /---- COOKIE ACK
>   (Cancel T1-cookie timer, <----/
>    Enter ESTABLISHED state)
>   {app sends 1st user data; strm 0}
>   DATA [TSN=Initial TSN_A
>       Strm=0,Seq=0 & user data]--\
>   (Start T3-rtx timer)            \
>                                    \->
>                                 /--- SACK [TSN Ack=init TSN_A,Block=0]
>   (Cancel T3-rtx timer) <------/
> 
> 
> Notes
> -----
> A packet containing an COOKIE-ECHO chunk is protected against loss by the T1-cookie timer, not the T1-init timer.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party  
> can log in to change the status and edit the report, if necessary. 
> 
> --------------------------------------
> RFC9260 (draft-ietf-tsvwg-rfc4960-bis-19)
> --------------------------------------
> Title               : Stream Control Transmission Protocol
> Publication Date    : June 2022
> Author(s)           : R. Stewart, M. Tüxen, K. Nielsen
> Category            : PROPOSED STANDARD
> Source              : Transport Area Working Group
> Area                : Transport
> Stream              : IETF
> Verifying Party     : IESG
>