Re: [ippm] Alissa Cooper's Discuss on draft-ietf-ippm-checksum-trailer-05: (with DISCUSS)
Tal Mizrahi <talmi@marvell.com> Wed, 03 February 2016 07:14 UTC
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From: Tal Mizrahi <talmi@marvell.com>
To: "MORTON, ALFRED C (AL)" <acmorton@att.com>, Alissa Cooper <alissa@cooperw.in>, The IESG <iesg@ietf.org>
Thread-Topic: Alissa Cooper's Discuss on draft-ietf-ippm-checksum-trailer-05: (with DISCUSS)
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Date: Wed, 03 Feb 2016 07:14:38 +0000
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Cc: "ippm-chairs@ietf.org" <ippm-chairs@ietf.org>, "draft-ietf-ippm-checksum-trailer@ietf.org" <draft-ietf-ippm-checksum-trailer@ietf.org>, "ippm@ietf.org" <ippm@ietf.org>
Subject: Re: [ippm] Alissa Cooper's Discuss on draft-ietf-ippm-checksum-trailer-05: (with DISCUSS)
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Agreed. Best regards, Tal. >-----Original Message----- >From: MORTON, ALFRED C (AL) [mailto:acmorton@att.com] >Sent: Tuesday, February 02, 2016 9:37 PM >To: Alissa Cooper; The IESG >Cc: draft-ietf-ippm-checksum-trailer@ietf.org; ippm-chairs@ietf.org; >ippm@ietf.org >Subject: RE: Alissa Cooper's Discuss on draft-ietf-ippm-checksum-trailer-05: >(with DISCUSS) > >I think you're right Alissa, the text in 3.2 should be made consistent and >mention that authenticated mode is allowed. > >ok Tal? >Al > >> -----Original Message----- >> From: Alissa Cooper [mailto:alissa@cooperw.in] >... >> >> The document, along with other ballot positions, can be found here: >> https://datatracker.ietf.org/doc/draft-ietf-ippm-checksum-trailer/ >> >> ---------------------------------------------------------------------- >> DISCUSS: >> ---------------------------------------------------------------------- >> >> There seems to be a bit of a disconnect between this text in 3.2: >> >> "As specified in Section 3.4. , the Checksum Complement should only be >> used in unauthenticated mode." >> >> and this text in 3.4.1: >> >> "A Checksum Complement MAY be used when authentication is enabled. In >> this case an intermediate entity can timestamp test packets and >> update their Checksum Complement field without modifying the HMAC." >> >> I can see why not to use the checksum complement in encrypted mode, >> but don't see why it can't be used in authenticated mode for TWAMP. >> >> >>
- [ippm] Alissa Cooper's Discuss on draft-ietf-ippm… Alissa Cooper
- Re: [ippm] Alissa Cooper's Discuss on draft-ietf-… MORTON, ALFRED C (AL)
- Re: [ippm] Alissa Cooper's Discuss on draft-ietf-… Tal Mizrahi