netdev - Re: UDP Out 0f Sequence

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Date:	Fri, 28 Sep 2007 13:22:28 -0400
From:	"Randy Macleod" <macleodr@...tel.com>
To:	"Majumder, Rajib" <rajib.majumder@...dit-suisse.com>
CC:	Rick Jones <rick.jones2@...com>,
	"'David Miller'" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: UDP Out 0f Sequence

Rick Jones wrote:
> Majumder, Rajib wrote:
>> Let's say we have 2 uniprocessor hosts connected back to back. Is
>> there any possibility of an out-of-order scenario on recv? 
> 
> Your application should be written on the assumption that it is 
> possible, regardless of the specifics of the hosts involved, however 
> unlikely they may be to reorder traffic.
> 
>  > Is this same for all kernel (linux/solaris)?
> 
> Your application should be written on the assumtion that it is possible, 
> regardless of the specifics of the OSes involved, however unlikely they 
> may be to reorder traffic.

Or you should use a different protocol stack that guarantees order.
Have you considered TCP, DCCP or even TIPC?
The solution depends on your application requirements and your
projects tolerance for risk.

// Randy

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