Re: [Technical Errata Reported] RFC6936 (4341)
Magnus Westerlund <magnus.westerlund@ericsson.com> Tue, 21 April 2015 08:45 UTC
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Date: Tue, 21 Apr 2015 10:45:12 +0200
From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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To: gorry@erg.abdn.ac.uk, Mark ZZZ Smith <markzzzsmith@yahoo.com.au>
Subject: Re: [Technical Errata Reported] RFC6936 (4341)
References: <5535D626.6020405@bogus.com> <791835886.1217669.1429602424845.JavaMail.yahoo@mail.yahoo.com> <6ab2a83537cbb5a11d2509478a75dd9d.squirrel@erg.abdn.ac.uk>
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I also support approving this Errata. Cheers Magnus gorry@erg.abdn.ac.uk skrev den 2015-04-21 10:09: > I agree with this update. I think it is a useful correction. > > Gorry > >> I agree with Brian's update, I think stateless LB is better. >> (Strangely and coincidently, my OpenWRT router reported I received one >> today: >> [  422.320000] IPv6: udp checksum is 0 >> >> ) >> >> >> Regards,Mark. >> From: joel jaeggli <joelja@bogus.com> >> To: RFC Errata System <rfc-editor@rfc-editor.org>; gorry@erg.abdn.ac.uk; >> magnus.westerlund@ericsson.com; brian@innovationslab.net; >> terry.manderson@icann.org; bob.hinden@gmail.com; otroan@employees.org >> Cc: ipv6@ietf.org >> Sent: Tuesday, 21 April 2015, 14:46 >> Subject: Re: [Technical Errata Reported] RFC6936 (4341) >> >> anyone care to comment? >> >> joel >> >> >> >> On 4/20/15 9:35 PM, RFC Errata System wrote: >>> The following errata report has been submitted for RFC6936, >>> "Applicability Statement for the Use of IPv6 UDP Datagrams with Zero >>> Checksums". >>> >>> -------------------------------------- >>> You may review the report below and at: >>> http://www.rfc-editor.org/errata_search.php?rfc=6936&eid=4341 >>> >>> -------------------------------------- >>> Type: Technical >>> Reported by: Brian Carpenter <brian.e.carpenter@gmail.com> >>> >>> Section: 1.3.5 >>> >>> Original Text >>> ------------- >>> The ingress of a tunnel seeking to provide good >>> entropy in the flow label field would therefore need to create a >>> random flow label value and keep corresponding state so that all >>> packets that were associated with a flow would be consistently given >>> the same flow label. Although possible, this complexity may not be >>> desirable in a tunnel ingress. >>> >>> Corrected Text >>> -------------- >>> The ingress of a tunnel seeking to provide good >>> entropy in the flow label field would therefore need to create a >>> pseudo-random flow label value using a stateless method >>> as described in [RFC6438] so that all >>> packets that were associated with a flow would be consistently given >>> the same flow label. >>> >>> Notes >>> ----- >>> It is incorrect that a stateful method is needed, and presumably that >>> was the complexity judged undesirable. Also, we shouldn't say "random" >>> when we mean "pseudo-random." >>> >>> 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 (IESG) >>> can log in to change the status and edit the report, if necessary. >>> >>> -------------------------------------- >>> RFC6936 (draft-ietf-6man-udpzero-12) >>> -------------------------------------- >>> Title       : Applicability Statement for the Use of IPv6 >>> UDP Datagrams with Zero Checksums >>> Publication Date  : April 2013 >>> Author(s)     : G. Fairhurst, M. Westerlund >>> Category      : PROPOSED STANDARD >>> Source       : IPv6 Maintenance >>> Area        : Internet >>> Stream       : IETF >>> Verifying Party  : IESG >>> >>> -------------------------------------------------------------------- >>> IETF IPv6 working group mailing list >>> ipv6@ietf.org >>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >>> -------------------------------------------------------------------- >>> >> >> >> -------------------------------------------------------------------- >> IETF IPv6 working group mailing list >> ipv6@ietf.org >> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >> -------------------------------------------------------------------- >> >> >> > > > -- Magnus Westerlund ---------------------------------------------------------------------- Services, Media and Network features, Ericsson Research EAB/TXM ---------------------------------------------------------------------- Ericsson AB | Phone +46 10 7148287 Färögatan 6 | Mobile +46 73 0949079 SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com ----------------------------------------------------------------------
- [Technical Errata Reported] RFC6936 (4341) RFC Errata System
- Re: [Technical Errata Reported] RFC6936 (4341) joel jaeggli
- Re: [Technical Errata Reported] RFC6936 (4341) Ole Troan
- Re: [Technical Errata Reported] RFC6936 (4341) Mark ZZZ Smith
- Re: [Technical Errata Reported] RFC6936 (4341) gorry
- Re: [Technical Errata Reported] RFC6936 (4341) Magnus Westerlund
- Re: [Technical Errata Reported] RFC6936 (4341) Brian Haberman
- Re: [Technical Errata Reported] RFC6936 (4341) gorry
- Re: [Technical Errata Reported] RFC6936 (4341) Brian E Carpenter
- Re: [Technical Errata Reported] RFC6936 (4341) Ole Troan
- Re: [Technical Errata Reported] RFC6936 (4341) gorry
- Re: [Technical Errata Reported] RFC6936 (4341) gorry
- Re: [Technical Errata Reported] RFC6936 (4341) Brian Haberman
- Re: [Technical Errata Reported] RFC6936 (4341) Ole Troan
- [Errata Held for Document Update] RFC6936 (4341) RFC Errata System