Re: [DNA-BOF] Attachment Detection charter text for discussion

[Greg Daley <greg.daley@eng.monash.edu.au>]

Hi Jari,

Jari Arkko wrote:
> Brett Pentland wrote:
> 
>> Greg Daley wrote:
>>
>>> "Network Attachment occurs when a host arrives on
>>> a new IP subnet. When attaching to a network, a
>>
>>
>>
>> I'm not sure that "when a host arrives on a new subnet" is the
>> correct way to define this.  Perhaps something along the lines of
>> "when an interface becomes active on a link instance" with an
>> appropriate definition of "link instance" in the terminology
>> document.
> 
> 
> Does this formulation require that the link layer
> always be able to deliver up/down information to the
> IP stack? I realize that for fast movements this is
> probably a requirement anyway, but there may be
> other cases where lack of hints could be tolerated.

I think that the event of attaching occurs whether
or not the system has a link-hint available.
So detecting network attachment is a goal even when
the link's assistance is not there.

We'll have to be careful not to give the impression that
this will only work with L2 assistance.


Greg