Re: Unknown header extension or option

[Fernando Gont <[e-mail]>]

On 11/17/2014 03:44 PM, Jeroen Massar wrote:
> On 2014-11-18 02:25, Fred Baker (fred) wrote:
> [..]
>> The net effect is that, should one wish to deploy a new extension
>> header, one cannot reliably use it until every host and router it
>> will traverse has been updated, which is in effect “never”.
> 
> Routers don't have to parse them.
> Hosts likely do have to parse them.
> 
> The problem is that it is unknown how long that extension header is.
> Hence one does not know how much to skip.
> 
> Unless there is a standard where the extension header always starts with
> a length stored in 16bits or so, there is little one can do here.

We tried to address this in:
<http://tools.ietf.org/id/draft-gont-6man-ipv6-universal-extension-header-01.txt>




> As some folks are doing experimentations with various things, I recently
> added the list of headers that for instance sixxsd supports at:
> 
> https://www.sixxs.net/faq/sixxs/?faq=sixxsd

Thanks! ;-)

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: [e-mail]
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