[Roll] Barry Leiba's Discuss on draft-ietf-roll-mpl-parameter-configuration-06: (with DISCUSS and COMMENT)
"Barry Leiba" <barryleiba@computer.org> Tue, 07 July 2015 18:18 UTC
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From: Barry Leiba <barryleiba@computer.org>
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Date: Tue, 07 Jul 2015 11:18:03 -0700
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Cc: roll-chairs@ietf.org, draft-ietf-roll-mpl-parameter-configuration@ietf.org, roll@ietf.org, maria.ines.robles@ericsson.com, draft-ietf-roll-mpl-parameter-configuration.shepherd@ietf.org, draft-ietf-roll-mpl-parameter-configuration.ad@ietf.org
Subject: [Roll] Barry Leiba's Discuss on draft-ietf-roll-mpl-parameter-configuration-06: (with DISCUSS and COMMENT)
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Barry Leiba has entered the following ballot position for draft-ietf-roll-mpl-parameter-configuration-06: Discuss When responding, please keep the subject line intact and reply to all email addresses included in the To and CC lines. (Feel free to cut this introductory paragraph, however.) Please refer to https://www.ietf.org/iesg/statement/discuss-criteria.html for more information about IESG DISCUSS and COMMENT positions. The document, along with other ballot positions, can be found here: https://datatracker.ietf.org/doc/draft-ietf-roll-mpl-parameter-configuration/ ---------------------------------------------------------------------- DISCUSS: ---------------------------------------------------------------------- This should be a very easy discussion to resolve: -- Section 2.3 -- A node SHOULD leave an MPL domain if it receives an updated MPL Parameter Configuration Option without a configuration for the MPL domain, unless it has overriding manual configuration on the MPL domain. In other words, if a node is configured to work as a MPL Forwarder for a MPL domain regardless of DHCPv6 Options, the node MAY stay on the MPL domain even if it receives an MPL Parameter Configuration Option without configuration for the MPL domain. I'm confused by this, because it appears to contradict itself. Some questions might help he understand: If I receive an updated MPL PCO that lacks a config for the MPL domain, then there are two possible situations: Case 1: I do *not* have an overriding manual config for the domain. In this case, the text says that I SHOULD leave the domain. Is that correct? Is it OK in this case for me to decide to stay on the domain anyway, even if I have no manual configuration for it? Case 2: I *do* have an overriding manual config for the domain. In this case, the text seems to say that it's entirely my choice ("MAY") whether or not I stay on the domain or leave it. Is that correct? Please discuss this with me, so I can suggest how to make the text clearer, depending upon the answers to those questions. ---------------------------------------------------------------------- COMMENT: ---------------------------------------------------------------------- -- Section 2.1 -- option_len: Length of the option. It SHOULD be 16 (without MPL domain address) or 32 (with MPL domain address). "SHOULD", really? What else *can* it be, and still be valid? Is there any legitimate reason I might make it something else? Or should this just say this?: NEW? option_len: Length of the option, which is 16 if no MPL domain address is present, or 32 if there is an MPL domain address. END
- [Roll] Barry Leiba's Discuss on draft-ietf-roll-m… Barry Leiba
- Re: [Roll] Barry Leiba's Discuss on draft-ietf-ro… Alvaro Retana (aretana)
- Re: [Roll] Barry Leiba's Discuss on draft-ietf-ro… Yusuke DOI
- Re: [Roll] Barry Leiba's Discuss on draft-ietf-ro… Barry Leiba
- Re: [Roll] Barry Leiba's Discuss on draft-ietf-ro… Yusuke DOI
- Re: [Roll] Barry Leiba's Discuss on draft-ietf-ro… Yusuke DOI