Re: [Roll] AD Review of draft-ietf-roll-mpl-parameter-configuration
"Alvaro Retana (aretana)" <aretana@cisco.com> Wed, 01 July 2015 16:30 UTC
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From: "Alvaro Retana (aretana)" <aretana@cisco.com>
To: Yusuke DOI <yusuke.doi@toshiba.co.jp>, "draft-ietf-roll-mpl-parameter-configuration@tools.ietf.org" <draft-ietf-roll-mpl-parameter-configuration@tools.ietf.org>
Thread-Topic: [Roll] AD Review of draft-ietf-roll-mpl-parameter-configuration
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Date: Wed, 01 Jul 2015 16:30:17 +0000
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Cc: "roll-chairs@ietf.org" <roll-chairs@ietf.org>, Routing Over Low power and Lossy networks <roll@ietf.org>, Ines Robles <maria.ines.robles@ericsson.com>
Subject: Re: [Roll] AD Review of draft-ietf-roll-mpl-parameter-configuration
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Yusuke: Hi! I didn’t see a follow up from you, but I’m assuming that we’re on the same page. This draft is on the agenda for discussion in the IESG next week (July/9). The IETF Last Call has ended, and there are outstanding comments (minor and nits) from IANA, SecDir and GenART. Please take a look at the comments and post an update before next week. The sooner the better to give the IESG a good chance to review the latest text. Thanks! Alvaro. On 6/18/15, 1:49 PM, "Roll on behalf of Alvaro Retana (aretana)" <roll-bounces@ietf.org on behalf of aretana@cisco.com> wrote: >On 6/17/15, 1:43 PM, "Yusuke DOI" <yusuke.doi@toshiba.co.jp> wrote: > >Yusuke: > >Hi! > >. . . >>> Minor: >>> >>> 1. Section 1 (Introduction): "Some managed wireless mesh networks may >>> have a DHCP server to configure network parameters.² How common is >>> the use of DHCP? ³Some..may² doesn¹t sound like this extension >>>will >>> be used a lot. How do other networks configure their parameters? >>> I¹m assuming manually.. >> >>I have no other experience, but I assume the configuration will be done >>manually... >. . . >> >>> 3. Section 2.3 (MPL Forwarder Behavior) Joining and leaving the >>> domain. I must be missing something.. >>> * "the node MAY join the MPL domain given by the option² Why >>> would the client request the Option and then not join the >>>domain? >> >>One reason is resource constraint. As joining to a MPL domain requires >>certain amount of buffers allocated, a node may fail to join all of the >>domains given by the option. > >The use of ³MAY² above gives the impression that joining is optional. But >you¹re saying that even if the node wants to join it may not be able to, >which is different. > >Suggestion: > >OLD> > > If a DHCPv6 client requests and receives MPL Parameter Configuration > Option, the node MAY join the MPL domain given by the option and act > as an MPL forwarder. > > >NEW> > > If a DHCPv6 client requests and receives MPL Parameter Configuration > Option, the node SHOULD join the MPL domain given by the option and act > as an MPL forwarder. Note that there may be cases in which a node may > fail is to join a domain (or domains) due to local resource >constraints. > >I¹m not sure if you/the WG want to add something else to that paragraph.. > > > >>> * "A node MAY leave from an MPL domain..² The conditions seem to >>> say that the domain in the Option changed, is that true? If >>>the >>> domain in the option changed, why would the node not leave the >>> domain? >> >>There's no reason except the domain is configured manually at the same >>time (the first condition is not met). If there are a manual >>configuration, implementation may consider it's overriding the DHCPv6 >>Option. >> >>Is this clear?: >> >>""" >>A node SHOULD leave from a MPL domain if the node received a new option >>without configuration for the MPL domain, unless it has overriding >>external configuration on the MPL domain. >>""" > >How about this instead: > >NEW> > > 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 external configuration. > > >I¹m not sure if ³external² is the right word..or if ³manual² might be >better. Look at the point #1 above about how other nodes may be >configured. > >In this section (2.3) there¹s a priority of configuration shown: > > The priority of MPL Parameter Configuration applied for an MPL Domain > is as follows (high to low). > > o Specific MPL Parameter Configuration to the MPL Domain (optlen=34) > > o Wildcard MPL Parameter Configuration (optlen=18) > > o Default configuration given in the MPL specification. > > >But there is no mention anywhere in the document to external/manual >configuration. Where in that priority list should it fit? > >Thanks! > >Alvaro. > >_______________________________________________ >Roll mailing list >Roll@ietf.org >https://www.ietf.org/mailman/listinfo/roll
- [Roll] AD Review of draft-ietf-roll-mpl-parameter… Alvaro Retana (aretana)
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Michael Richardson
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Yusuke DOI
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Ines Robles
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Alvaro Retana (aretana)
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Alvaro Retana (aretana)
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Yusuke DOI
- Re: [Roll] AD Review of draft-ietf-roll-mpl-param… Yusuke DOI