Hi Sheng,
On 25/06/2016 14:13, Brian E Carpenter wrote:
...
>> Also, there should be a way for the initiator to indicate the discovery
>> message should not be relayed, like in the scenarios that the initiator
>> would only want to discovery counterpart in its neighbors.
>
> That would be a protocol change, we can make it an open issue for now.
Actually it is already solved. The description of relaying says:
"The relaying device MUST decrement the loop count within the
objective, and MUST NOT relay the Discovery message if the
result is zero."
Therefore, it is sufficient for the discovery initiator to set the loop count
to 1 if a link-local reply is required. Also, the discovery initiator can simply
discard any Divert responses if appropriate. We can note this in the text.
Regards
Brian
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