You can distinguish by HC2 encoding field in the HC1 encoding.

Youngmin Ji



On Thu, Apr 22, 2010 at 10:10 AM, Jongsoo Jeong <[email protected]> wrote:

> Hi, everyone.
>
> I have a question about compressing series of IPv6 Extension Headers.
>
>
> +-----+-----+-----+--------------+-------------------------+--------------------+-----
> | NHC | NH  | len | uncompressed | Non-encoded ext. header | compressed or
> not? | ...
>
> +-----+-----+-----+--------------+-------------------------+--------------------+-----
>
> In my understanding, the Next Header field should be carried in-line when
> the next extension header cannot be encoded due to its length (greater than
> 255), right?
>
> If it is right, a non-encoded extension header is followed. Then, how can
> I distinguish whether the followed next header is compressed or not?
>
> Thank you for reading. :)
> ---
> Jongsoo Jeong
>
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