Re: hotmail not dealing with ECN

[Jamie Lokier]

Lars Marowsky-Bree wrote:
> If connect() suddenly did two connection attempts instead of one, just how
> many timeouts might that break?

Timeouts are already broken by applications that repeatedly call
connect().  You'd get better timeout behaviour by letting the kernel
enforce backoff.

> > Why? The connection is dead, but there is nothing to prevent attempting
> > another connection.
> 
> Right. And thats why connect() returns an error and retries are handled in
> userspace.

And this is fine.  Can we be permitted to handle a retry in userspace
without fancy options (ECN, SACK, large windows etc.)?

-- Jamie