allocating backend attributes to layers

[Poul-Henning Kamp]

--------
Nils Goroll writes:

> - For use with routing directors, we could make good use of some kind of
> "reservation ticket" such that a routing director can make it more likely
>  to get a connection once the fetch starts.

And what happens when VCL takes an entirely different path, how does the
reservation gets released ?  vmod_priv ?

> - When we added the connection stats, we put them at the backend level as, at
> the time, we did not want to introduce another user-visible layer. Should we
> change that, we should also move the connection stats to the endpoint layer.

'move' or 'also implement' ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.