Subject: Re: kern/35196: sockets should die if addresses vanish
To: None <kern-bug-people@netbsd.org, gnats-admin@netbsd.org,>
From: SODA Noriyuki <soda@sra.co.jp>
List: netbsd-bugs
Date: 12/07/2006 02:35:02
The following reply was made to PR kern/35196; it has been noted by GNATS.
From: SODA Noriyuki <soda@sra.co.jp>
To: perry@piermont.com
Cc: gnats-bugs@NetBSD.org, kern-bug-people@NetBSD.org,
gnats-admin@NetBSD.org, netbsd-bugs@NetBSD.org
Subject: Re: kern/35196: sockets should die if addresses vanish
Date: Thu, 7 Dec 2006 11:34:35 +0900
>>>>> On Thu, 7 Dec 2006 02:25:01 +0000 (UTC), perry@piermont.com said:
> The addresses bound to said interface will often go away, to be
> replaced by new ones (or none at all). However, even after they go
> away, TCP connections will continue to live for quite some time,
> eventually timing out, going into time wait, etc.
> This is quite clearly silly.
It is not so silly, acutally.
Think about unstable PPP link which nearly always assigns same IP
address for each host.
With current behavior, we can still use same TCP connect, after the
links goes down and then the link is reconnected.
--
soda