On 2010-04-28 03:09, Suresh Krishnan wrote:
> Hi Brian,
> 
> On 10-04-27 12:01 AM, Brian E Carpenter wrote:
>> On 2010-04-27 11:21, Suresh Krishnan wrote:
>>> Whether it is an extension header currently defined or an upper-layer
>>> protocol (current or future), this format does not apply. It is a
>>> generic mechanism that future extension headers could voluntarily use to
>>> become middlebox friendly and to save protocol numbers.
>>
>> Understood, but I am wondering whether the shim6 extension header needs
>> to be added to the above list of exceptions.
> 
> I am fine with adding the shim6,AH, and ESP into the exception list. Do
> you think that this exception list is useful?

I think it is useful guidance for implementors, if and only if
it's complete. If anything is missed out, it could be misleading.

    Brian
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