On 03/23/09 15:06, Sebastien Roy wrote:
On Mon, 2009-03-23 at 14:51 -0400, Girish Moodalbail wrote:
On 03/23/09 14:31, Sebastien Roy wrote:
The argument that is being made is that "ill" is an implementation
detail that has leaked into the administrative model and confused people
who are familiar with other operating systems (e.g. BSD and Linux).
Are you saying that there will be a single IP interface, but that there
will be multiple properties with the same name associated with that
interface?
No there will be single property which, based on supplied "-f" value,
will be applied to all v4 interfaces or all v6 interfaces. Because
today some property value need to be different for v4 and v6. There is
no exposure of 'ill' here right?
In the vocabulary you're using, there is an implicit reference to "ill".
The very statements "v4 interface" and "v6 interface" refer to "ill"s.
I think it's counter-productive to refer to such "interfaces", as
they're implementation constructs in the IP module that are also part of
the ifconfig administrative model we're trying to ditch.
A different way to describe the model you're implementing might be that
an interface property can apply to multiple protocols. The protocols to
which it is applied is specified by a set-prop option.
True.
A secondary question is, then, why do you have separate -m and -f
options? Aren't IPv4 and IPv6 just separate protocols that could be
disambiguated with -m instead of a separate -f?
Well the grandiose plan for future was to allow flexibility in defining
a 'tcp' property on 'tcp module (specified by -m)' per v4 or v6
interface (specified by -f). Frankly I am not sure if such requirement
is needed.
Further even if I treat an IP interface as a single administrative
object, I need to specify to which protocol the property needs to be
applied, right? That will be done through "-f" flag.
Right, but my question was, how can I tell which protocol a given
property applies to in the show-prop output?
Right; in the show-prop output for the 'Proto' field we need to specify
ip4 for v4 specific property and ip6 for v6 specific property and just
'ip' for both v4 and v6.
thanks
~Girish
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