Re: [Roll] Ralph's DISCUSS on MRHOF spec

On Jun 8, 2012, at 7:22 AM 6/8/12, Mukul Goyal wrote:

>> Is the receiving node supposed to infer that the selected metric for a RPL Instance using MRHOF is the one metric container included in the DIO (or, in the case of ETX, there is no metric container)?
> 
> In my opinion, yes.

Where is that behavior explicitly described in the relevant specifications?

- Ralph

> 
> Mukul 
> 
> ----- Original Message -----
> From: "Ralph Droms" <rdroms.ietf@gmail.com>
> To: "Mukul Goyal" <mukul@uwm.edu>
> Cc: "Ralph Droms" <rdroms.ietf@gmail.com>, "Stiemerling Martin" <mstiemerling@googlemail.com>, "Michael Richardson" <mcr@sandelman.ca>, "roll" <roll@ietf.org>, "Haberman Brian" <brian@innovationslab.net>, "Philip Levis" <pal@cs.stanford.edu>
> Sent: Friday, June 8, 2012 6:18:54 AM
> Subject: Re: [Roll] Ralph's DISCUSS on MRHOF spec
> 
> 
> On Jun 8, 2012, at 7:16 AM 6/8/12, Mukul Goyal wrote:
> 
>>> Without encoding the metric in the OCP, how does a node know what metric is in use in an advertised RPL Instance.
>> 
>> The metrics inside the metric container inside the DIOs it receives from its candidate parents. Only the DAG root needs to be configured regarding merics in use. Other nodes would know the metrics in use by looking inside the metric container of the DIOs they receive.
> 
> Is the receiving node supposed to infer that the selected metric for a RPL Instance using MRHOF is the one metric container included in the DIO (or, in the case of ETX, there is no metric container)?
> 
> - Ralph
> 
>> 
>> Mukul
>> 
>> 
>>> How does a node choose which RPL Instance(s) to join without learning which metrics are in use?
>> 
>> - Ralph
>> 
>>> 
>>> Phil
>>> 
>> 
>> _______________________________________________
>> Roll mailing list
>> Roll@ietf.org
>> https://www.ietf.org/mailman/listinfo/roll
> 