Re: [Tsvwg] I-D ACTION:draft-ietf-tsvwg-sctpcsum-04.txt

The corrections and comments presented at WG Last Call for -03
of this draft have not been addressed in version -04.  The
issues and errors identified for -03, therefore, also apply
to version -04.  Please make the following corrections, duly
identified at WG Last Call, for version -05:

> Date: Fri, 8 Mar 2002 10:47:27 -0600
> From: "Brian F. G. Bidulock" <bidulock@openss7.org>
> To: tsvwg@ietf.org
> Subject: Re: [Tsvwg] WG last call on draft-ietf-tsvwg-sctpcsum-03.txt
> 
> Scott,
> 
> On Page 4, this draft says:
> 
> 	   - The CRC polynomial is mapped back into SCTP transport-level
> 	     bytes.   Coefficient of x^31 gives the value of bit 0 of
> 	     SCTP byte 0, the coefficient of x^24 gives the value of 
> 	     bit 7 of byte 0.  the coefficient of x^7 gives bit 0 of 
> 	     bit 0 and the coefficient of x^0 0 gives bit 7 of byte 3. 
> 	     The resulting four-byte transport-level sequence is the 
> 	     32-bit SCTP checksum value.
> 
> There is an error in here:  "bit 0 of bit 0", however, the entire
> paragraph is pointless and should be removed.  Please remove or at least
> correct this paragraph.
> 
> 
> Page 4-5.  The same problematic MUST's for calculation of the checksum
> from the beginning of section 2.1 (top of Page 3) is repeated (word for
> word it appears) across the bottom of Page 4 and the top of Page 5.
> Please remove this duplication.
> 
> --brian
> 
> On Fri, 08 Mar 2002, Scott Bradner wrote:
> 
> > 
> > This starts a working group last call on draft-ietf-tsvwg-sctpcsum-03.txt.
> > 
> > The last call will end on March 24th (after the IETF meeting) 
> > 
> > please send any comments to the tsvwg list 
> > 
> > thanks
> > 
> > Scott & Allison
> > 
> > _______________________________________________
> > tsvwg mailing list
> > tsvwg@ietf.org
> > https://www1.ietf.org/mailman/listinfo/tsvwg
> 
> -- 
> Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
> bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
> http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
>                         ¦ Therefore  all  progress  depends on the ¦
>                         ¦ unreasonable man. -- George Bernard Shaw ¦
> 
> _______________________________________________
> tsvwg mailing list
> tsvwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/tsvwg

> Date: Fri, 8 Mar 2002 10:33:36 -0600
> From: "Brian F. G. Bidulock" <bidulock@openss7.org>
> To: Scott Bradner <sob@harvard.edu>
> Cc: tsvwg@ietf.org, mankin@isi.edu
> 
> Scott,
> 
> Section 2.1:
> 
> The draft uses the words MUST in telling the implementor where and
> when bits are to be replaced in the message.  It is not appropriate
> for the draft to do this.  CRC-32c can be calcualted without using
> the procedures dictated by section 2.1.  In particular SCTP checksums
> can be calculated without replacing the CRC with zero but can be
> verified with the CRC in place.  The implementatino is clearly
> responsible for calculating the CRC-32c checksum and verifying it
> in whatever fashion it may choose and the "MUST" is inappropriate
> as applied to the procedure in section 2.1.
> 
> --brian
> 
> 
> On Fri, 08 Mar 2002, Scott Bradner wrote:
> 
> > 
> > This starts a working group last call on draft-ietf-tsvwg-sctpcsum-03.txt.
> > 
> > The last call will end on March 24th (after the IETF meeting) 
> > 
> > please send any comments to the tsvwg list 
> > 
> > thanks
> > 
> > Scott & Allison
> > 
> > _______________________________________________
> > tsvwg mailing list
> > tsvwg@ietf.org
> > https://www1.ietf.org/mailman/listinfo/tsvwg
> 
> -- 
> Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
> bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
> http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
>                         ¦ Therefore  all  progress  depends on the ¦
>                         ¦ unreasonable man. -- George Bernard Shaw ¦
> 
> _______________________________________________
> tsvwg mailing list
> tsvwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/tsvwg

> Date: Fri, 8 Mar 2002 10:24:42 -0600
> From: "Brian F. G. Bidulock" <bidulock@openss7.org>
> To: Scott Bradner <sob@harvard.edu>
> Cc: tsvwg@ietf.org, mankin@isi.edu
> Subject: Re: [Tsvwg] WG last call on draft-ietf-tsvwg-sctpcsum-03.txt
> 
> Scott,
> 
> Please rewrite the Introduction to adopt a professional,
> formal and non-condescending tone.  The informal tone
> used in the introduction may be appropriate in e-mails
> between pen-pals, but sticks out as inappropriate for
> an RFC.
> 
> --brian
> 
> On Fri, 08 Mar 2002, Scott Bradner wrote:
> 
> > 
> > This starts a working group last call on draft-ietf-tsvwg-sctpcsum-03.txt.
> > 
> > The last call will end on March 24th (after the IETF meeting) 
> > 
> > please send any comments to the tsvwg list 
> > 
> > thanks
> > 
> > Scott & Allison
> > 
> > _______________________________________________
> > tsvwg mailing list
> > tsvwg@ietf.org
> > https://www1.ietf.org/mailman/listinfo/tsvwg
> 
> -- 
> Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
> bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
> http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
>                         ¦ Therefore  all  progress  depends on the ¦
>                         ¦ unreasonable man. -- George Bernard Shaw ¦
> 
> _______________________________________________
> tsvwg mailing list
> tsvwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/tsvwg

> Date: Fri, 8 Mar 2002 08:34:15 -0500 (EST)
> From: Scott  Bradner <sob@harvard.edu>
> Message-Id: <200203081334.g28DYFN20271@newdev.harvard.edu>
> To: tsvwg@ietf.org
> Cc: mankin@isi.edu
> Subject: [Tsvwg] WG last call on draft-ietf-tsvwg-sctpcsum-03.txt
> 
> 
> This starts a working group last call on draft-ietf-tsvwg-sctpcsum-03.txt.
> 
> The last call will end on March 24th (after the IETF meeting) 
> 
> please send any comments to the tsvwg list 
> 
> thanks
> 
> Scott & Allison
> 
> _______________________________________________
> tsvwg mailing list
> tsvwg@ietf.org
> https://www1.ietf.org/mailman/listinfo/tsvwg
> 

-- 
Brian F. G. Bidulock    ¦ The reasonable man adapts himself to the ¦
bidulock@openss7.org    ¦ world; the unreasonable one persists in  ¦
http://www.openss7.org/ ¦ trying  to adapt the  world  to himself. ¦
                        ¦ Therefore  all  progress  depends on the ¦
                        ¦ unreasonable man. -- George Bernard Shaw ¦

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