netdev - Re: [PATCH] Clock-independent TCP ISN generation

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Message-ID: <492bb69e-0722-f6fc-077a-2348edf081d8@gmail.com>
Date:   Tue, 3 Sep 2019 18:17:09 +0200
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Cyrus Sh <sirus.shahini@...il.com>,
        Eric Dumazet <eric.dumazet@...il.com>, davem@...emloft.net
Cc:     shiraz.saleem@...el.com, jgg@...pe.ca, arnd@...db.de,
        netdev@...r.kernel.org, sirus@...utah.edu
Subject: Re: [PATCH] Clock-independent TCP ISN generation



On 9/3/19 6:06 PM, Cyrus Sh wrote:
> 
> 
> On 9/3/19 9:59 AM, Eric Dumazet wrote:
>>
>> You could add a random delay to all SYN packets, if you believe your host has clock skews.
> 
> In theory yes, but again do you know any practical example with tested
> applications and the list of the rules? I'm interested to see an actual example
> that somebody has carried out and observed its results.
> 

Do you have a real program showing us how this clock skew can be used practically ?