On 2013-06-13 14:02, Joe Touch wrote:
[..]
>> peeking at
>> http://www.iana.org/assignments/ipv6-parameters/ipv6-parameters.xml
>> 'act' and noting there are a few protocols that have act != 00 that
>> might be affected by this.
> 
> Agreed.
> 
> I'm not sure why the table includes HBH and DO in the same list without
> additional info; it would be useful to expand that table to indicate that.

There are a few other nits in that list, eg references to [IPV6] while
those RFCs are quite well known ;)

> However, even ignoring the HBH opts wouldn't help if they can't be
> "jumped over" efficiently to find other headers in the chain. I.e.,
> ignoring HBH isn't he same as prohibiting it or limiting it.

The whole design for HBH/DO is so that they are always aligned on
8-bytes and start with the ID and a length (which is per 8 bytes), thus
should be reasonably efficient to jump over them if one wants to parse
them (till we hit 512bit cpu's).

Greets,
 Jeroen

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