netdev - Re: LRO restructuring?

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Message-Id: <E1KT5sN-0007uF-00@gondolin.me.apana.org.au>
Date:	Wed, 13 Aug 2008 12:14:15 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	gallatin@...i.com (Andrew Gallatin)
Cc:	davem@...emloft.net, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org, brice@...i.com
Subject: Re: LRO restructuring?

Andrew Gallatin <gallatin@...i.com> wrote:
>
> Indeed.  Nor should they change lengths, or anything else.
> Everything about this "inexact" forwarding is illegal as
> hell.  However, you have to admit that it is an interesting hack :)

Solutions like this have been deployed.  For instance, many satellite
networks use transparent TCP proxies to mitigate the effect of large
latencies on older TCP stacks that don't have modern congestion
control algorithms.

Surprisingly there are actually very few problems.  The biggest
one (apart from scalability) is with non-TCP traffic masquerading
as TCP such as Cisco's VPN solution.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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