Re: failure detection

[Paul Jakma <paul@clubi.ie>]

On Wed, 17 Aug 2005, marcelo bagnulo braun wrote:

> I guess that the only one that can identify this problem is the ULP itself.
>
> So i guess we have the following situation:
> - The shim will only be able to detect (by itself, without additional 
> information) failures when packets stop flowing

How do you know if packets should or should not be flowing? What 
if it's a very quiet protocol? :)

> well, imho the shim needs only to define a default failure mode. I 
> mean, it is clear that different apps have different perception of 
> what a failure may be, but, since the shim is a generic layer, we 
> need to provide a generic definition of what a failure is. Clearly, 
> i guess it would be very useful to allow ULPs to provide 
> information to the shim about when they consider that a failure has 
> occurred.

Or define a very simple link^Wpath-state control protocol for shim6.

You could use it to monitor path-state to locators you're interested 
in.

regards,
--
Paul Jakma	paul@clubi.ie	paul@jakma.org	Key ID: 64A2FF6A
Fortune:
Odets, where is thy sting?
		-- George S. Kaufman