Re-, Please share the OLD/NEW text that you would like to see and will implement it. Thanks.
Cheers, Med De : Aitken, Paul <[email protected]> Envoyé : jeudi 23 mai 2024 17:16 À : BOUCADAIR Mohamed INNOV/NET <[email protected]>; [email protected]; Joe Touch <[email protected]> Cc : [email protected]; [email protected] Objet : Re: [IANA #1363824] Expert review for draft-ietf-opsawg-tsvwg-udp-ipfix (ipfix) Med, I wasn't the only objector to unsigned192. I would prefer unsigned256 with appropriate explanation about reduced size encoding. Specifically, I objected to "The first 64 most-significant bits MUST be set to 0." This must be pre- rather than post- reduced size encoding, and the minimum size would be at least 64 bits to strictly to comply with the MUST. Unless anyone has a better suggestion, let's revert to unsigned256 and, "The first 64 most-significant bits MUST be set to 0." Thanks, P. On 23/05/24 06:49, [email protected]<mailto:[email protected]> wrote: Re-, Is it possible to use unsigned256, say that topmost bits must be zero, and reduced size encoding MAY be used? That was exactly what I initially proposed, but you seemed to question the RSE applicability (https://urldefense.com/v3/__https://mailarchive.ietf.org/arch/msg/opsawg/VfPqkyXB07fe9VEneTXZ_2Z0-BY/__;!!OSsGDw!MU61PIkvlzTmQNchjxqq6PGGS1fjo6C-eoZx71qD0NK3TUI3nfinGpeVknYX7ktb92D6QqpdjA34pzrGOBtp5ZRM$ [mailarchive[.]ietf[.]org]) Still, that is a hack. IMO, a key use of the type is that it conveys the maximum allowed value by simply looking at the type of an IE: (RFC7011) Note that the Information Element definitions [IANA-IPFIX] always define the maximum encoding size. I can't speculate about future uses of the type, but looking at the past I see there are types that were defined (float32) since 2008 but never appear in the registry. U192 will at least have one IE associated with it. If you insist to revert back to u255, please share OLD/NEW modifications you want to see. Thank you. Cheers, Med -----Message d'origine----- De : Aitken, Paul <[email protected]><mailto:[email protected]> Envoyé : mercredi 22 mai 2024 22:41 À : [email protected]<mailto:[email protected]>; BOUCADAIR Mohamed INNOV/NET <[email protected]><mailto:[email protected]> Cc : [email protected]<mailto:[email protected]>; [email protected]<mailto:[email protected]> Objet : Re: [IANA #1363824] Expert review for draft-ietf-opsawg- tsvwg-udp-ipfix (ipfix) Med, I'm not happy with the unsigned192 type. It's uncommon, specific to the udpSafeOptions IE, and unlikely to be used again for anything else. Is it possible to use unsigned256, say that topmost bits must be zero, and reduced size encoding MAY be used? Thanks, P. On 22/05/24 20:11, David Dong via RT wrote: Hi Paul, Following up on this document as well. Thank you for performing the reviews. Best regards, David Dong IANA Services Sr. Specialist On Tue May 14 12:48:27 2024, [email protected]<mailto:[email protected]> wrote: Hi Paul, The new version with all received reviews and comments is available at: https://urldefense.com/v3/__https://eur03.safelinks.protection.outlook.com/?url=https*3A*2F*2__;JSUl!!OSsGDw!MU61PIkvlzTmQNchjxqq6PGGS1fjo6C-eoZx71qD0NK3TUI3nfinGpeVknYX7ktb92D6QqpdjA34pzrGOLu1L2hV$ [eur03[.]safelinks[.]protection[.]outlook[.]com] Furl defense.com%2Fv3%2F__https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fd raft -ietf-opsawg-tsvwg-udp- __%3B!!OSsGDw!P_ycY1FkmBqO94I060aheNn8E63NSE_z 4Ch7kSKuTsFNGP209J80BBFfEJVL6LODmAf12QpGRtjzt0I5adRYNMo%24&data=0 5%7C 02%7Cmohamed.boucadair%40orange.com%7Cfd93ee91fabc4185328208dc7a9 f800 f%7C90c7a20af34b40bfbc48b9253b6f5d20%7C0%7C0%7C638520072665443067 %7CU nknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6 Ik1h aWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=w48O80xT29sqg7OMzitY48Cgure 2GO2 QNLAA%2BZl5pHg%3D&reserved=0 [datatracker[.]ietf[.]org] ipfix/ Please see inline. Cheers, Med De : Aitken, Paul <[email protected]><mailto:[email protected]> Envoyé : lundi 13 mai 2024 21:53 À : BOUCADAIR Mohamed INNOV/NET <[email protected]><mailto:[email protected]>; [email protected]<mailto:[email protected]> Cc : [email protected]<mailto:[email protected]>; opsawg <[email protected]><mailto:[email protected]> Objet : RE: [Ie-doctors] [IANA #1363824] Expert review for draft-ietf- opsawg-tsvwg-udp-ipfix (ipfix) Med, In the new version: 4.1. The first 64 most-significant bits MUST be set to 0. This seems to exclude reduced size encoding. [Med] These will be seen as leading zeros and will thus be reduced. However, I went with a unsigned192 rather than unsiggned256 for this IE Also, "while Kind 255 corresponds to the most-significant bit of the IE." is nolonger accurate. [Med] Yes, changed to "191" 4.2 udpUnsfaeOptions Typo: udpUnsafeOptions [Med] Fixed. 4.1 and 4.2: A bit is set to 1 should be "The bit is set to 1". [Med] OK 5. Operational Considerations The note about reduced-size encoding will not be seen in IANA's registry. [Med] I moved that because this was a comment from Benoît to remove the reduced-size encoding from the description. The note seems contrary to the statement in 4.1 that I quoted above. [Med] That statement was removed. Figure 4: Repeating two points that I made previously: [Med] Fixed. The last 0x9858 (next to 0xC3D9) should be 0x9658. Else the figure does not correspond with the preceding text. 9658 and 9858 are unnecessarily similar values. I would urge you to choose a different example. P. _________________________________________________________________ ____ _______________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. 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