Re: [BEHAVE] UDP zero checksums and v4 to v6 translators
Marshall Eubanks <tme@americafree.tv> Tue, 28 July 2009 07:57 UTC
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From: Marshall Eubanks <tme@americafree.tv>
To: Lars Eggert <lars.eggert@nokia.com>
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Subject: Re: [BEHAVE] UDP zero checksums and v4 to v6 translators
Date: Tue, 28 Jul 2009 03:57:10 -0400
References: <90186AC2-6C6A-45FC-9FE0-9DBF8726E688@free.fr> <69954773-A3F1-4B59-ACE9-F75990830C88@nokia.com>
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On Jul 28, 2009, at 2:24 AM, Lars Eggert wrote: > Hi, > > On 2009-7-27, at 18:46, Rémi Després wrote: >> A simple solution would IMHO be to complement to the UDP rule in IPv6 >> as follows: >> - IPv6 hosts MUST create UDP datagrams with non-zero checksums. >> (Nothing new here.) >> - IPv6 hosts SHOULD accept UDP datagrams with zero checksum. >> (Application of the classic principle "be strict in what you send, >> tolerant in what you receive"). >> - IPv4 to IPv6 translators that receive UDP datagrams having zero >> checksums MAY keep these checksums in translated datagrams. > > as an individual, I prefer something along the lines of draft- > fairhurst-6man-tsvwg-udptt instead. > This draft and http://tools.ietf.org/html/draft-eubanks-chimento-6man-00 are still open and will be discussed at the 6man meeting Wednesday. Basically, one prescribes no checksum for the "outer" packet in IPv6 encapsulations, the other a fixed checksum per flow. I would urge people interested in this to attend as a decision may be made soon. Regards Marshall > Lars > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > ipv6@ietf.org > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > --------------------------------------------------------------------
- UDP zero checksums and v4 to v6 translators Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Lars Eggert
- Re: UDP zero checksums and v4 to v6 translators Francis Dupont
- Re: UDP zero checksums and v4 to v6 translators Hesham Soliman
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Marshall Eubanks
- Re: UDP zero checksums and v4 to v6 translators Mohacsi Janos
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Hesham Soliman
- Re: UDP zero checksums and v4 to v6 translators sthaug
- Re: UDP zero checksums and v4 to v6 translators Francis Dupont
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Francis Dupont
- Re: UDP zero checksums and v4 to v6 translators Francis Dupont
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators sthaug
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Rémi Després
- Re: UDP zero checksums and v4 to v6 translators Rémi Després
- Re: UDP zero checksums and v4 to v6 translators Hesham Soliman
- Re: UDP zero checksums and v4 to v6 translators David Malone
- Re: UDP zero checksums and v4 to v6 translators Lars Eggert
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Stig Venaas
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Marshall Eubanks
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Joel Jaeggli
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Joel Jaeggli
- RE: UDP zero checksums and v4 to v6 translators Hadriel Kaplan
- Re: UDP zero checksums and v4 to v6 translators Brian E Carpenter
- Re: UDP zero checksums and v4 to v6 translators Benny Amorsen
- Re: UDP zero checksums and v4 to v6 translators JINMEI Tatuya / 神明達哉
- Re: UDP zero checksums and v4 to v6 translators Brian E Carpenter
- RE: [BEHAVE] UDP zero checksums and v4 to v6 tran… Christian Huitema
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Brian E Carpenter
- RE: [BEHAVE] UDP zero checksums and v4 to v6 tran… Christian Huitema
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Brian E Carpenter
- RE: [BEHAVE] UDP zero checksums and v4 to v6 tran… Christian Huitema
- Re: UDP zero checksums and v4 to v6 translators Christopher Morrow
- Re: UDP zero checksums and v4 to v6 translators Benny Amorsen
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Francis Dupont
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Hesham Soliman
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Lars Eggert
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Pekka Savola
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Denis-Courmont
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Marshall Eubanks
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- RE: [BEHAVE] UDP zero checksums and v4 to v6 tran… Christian Huitema
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Iljitsch van Beijnum
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Iljitsch van Beijnum
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Lars Eggert
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Mohacsi Janos
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Mohacsi Janos
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Denis-Courmont
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Denis-Courmont
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Iljitsch van Beijnum
- Re: [BEHAVE] UDP zero checksums and v4 to v6 tran… Rémi Després