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From: Rick Jones <rick.jones2@hp.com>
To: Park Lee <parklee_sel@yahoo.com>
Cc: Neil Horman <nhorman@redhat.com>, jamal <hadi@cyberus.ca>,
	linux-net@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: Must every packet have a creating socket? (was Re: Does a forwarded packet has a local socket with it?)
Date: Wed, 20 Apr 2005 18:20:04 -0700	[thread overview]
Message-ID: <4266FFC4.6020305@hp.com> (raw)
In-Reply-To: <20050420172944.69275.qmail@web51501.mail.yahoo.com>

> Can I think that every packet (e.g. IP packet) must
> have a corresponding creating socket? (i.e. Must every
> packet be created by a socket?) 

No.  ICMP messages come to mind - although I _suppose_ that since those are in 
response to other traffic, you could claim it was in response to something sent 
from a "socket" or "endpoint" - depends on how far away you consider it to still 
be  from a socket.

> Is there any other way to originate a packet?


> 
> Thank you.
> 
> Best Regards,
> Park Lee
> 
> 
> 		
> __________________________________ 
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  reply	other threads:[~2005-04-21  1:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-20 17:29 Must every packet have a creating socket? (was Re: Does a forwarded packet has a local socket with it?) Park Lee
2005-04-21  1:20 ` Rick Jones [this message]
2005-04-22 11:39   ` Must every packet have a creating socket? Andi Kleen
  -- strict thread matches above, loose matches on Subject: below --
2005-04-21 13:05 Must every packet have a creating socket? (was Re: Does a forwarded packet has a local socket with it?) Park Lee

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