Re: [v6ops] Extension Headers / Impact on Security Devices

Gert Doering <gert@space.net> Wed, 27 May 2015 07:39 UTC

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Date: Wed, 27 May 2015 09:39:43 +0200
From: Gert Doering <gert@space.net>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Subject: Re: [v6ops] Extension Headers / Impact on Security Devices
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Hi,

On Wed, May 27, 2015 at 12:23:30PM +1200, Brian E Carpenter wrote:
> > FWIW, I don't see anything that prohibits adding headers either.
> 
> "With one exception, extension headers are not examined or processed
> by any node along a packet's delivery path, until the packet reaches
> the node (or each of the set of nodes, in the case of multicast)
> identified in the Destination Address field of the IPv6 header."
> 
> To me that clearly implies not adding (which is a form of processing).

So how do the SR folks handle that?  From what I heard, the intended
deployment really is "inside your administrative domain, SR headers get
added, processed, and when the packet leaves your domain, they can be
(optionally) removed again to not upset your neighbours"...

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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