netdev - Re: [PATCH RFC 0/7] Generic UDP Encapsulation

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Message-ID: <20140104143338.246740e3@nehalam.linuxnetplumber.net>
Date:	Sat, 4 Jan 2014 14:33:38 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Tom Herbert <therbert@...gle.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org, hkchu@...gle.com
Subject: Re: [PATCH RFC 0/7] Generic UDP Encapsulation

On Thu, 2 Jan 2014 14:12:06 -0800 (PST)
Tom Herbert <therbert@...gle.com> wrote:

> This patch series implements Generic UDP Encapsulation (GUE).
> Intelligently encapsulating packets in UDP leverages device
> support for UDP flows. The 5-tuple hash can be computed for UDP
> to provide good ECMP, RSS, or link aggregation port selection.
> 
> Generic UDP encapsulation refers to encapsulating packets of
> arbitray IP protocols in UDP packets. Two flavors of GUE
> are implemented in these patches:
> 
> 1) Direct protocol encapsulation
> 2) Encapsualtion in generic UDP encapsulation 

Is this a new wire protocol, or a simplification of existing
tunnel code? It seems to be VXLAN without the VNI header.
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