Re: [TLS] questions regarding draft-ietf-tls-rfc2246-bis-13.txt

jimmy <jimmyb@huawei.com> writes:

> Sami Lehtinen wrote:
>> Hello,
> ...
>> Also, there is conflicting text regarding message precedence
>> (handshake vs. application data):
>> In section 6.2.1. Fragmentation:
>>  Note: Data of different TLS Record layer content types MAY be
>>        interleaved. Application data is generally of higher precedence
>>                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>        for transmission than other content types and therefore handshake
>>        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>        records may be held if application data is pending.  However,
>>        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>> and in 7.4.1.1. Hello request:
>>        with a no_renegotiation alert. Since handshake messages are
>>                                             ^^^^^^^^^^^^^^^^^^^^^^
>>        intended to have transmission precedence over application data,
>>        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>        it is expected that the negotiation will begin before no more
>>        than a few records are received from the client. If the server
>> Which text is correct? In RFC 2246, the text is
>>  Note: Data of different TLS Record layer content types may be
>>        interleaved. Application data is generally of lower precedence
>>        for transmission than other content types.
>> and text to the same effect is also in section 7.4.1.1 of RFC2246.
>>
>
> I too had pointed this out in an earlier mail, but got no replies. It
> seems in a previous thread in this list Eric had replied to someone
> posing a similar query. He had actually mentioned data had lower
> precedence (similar to what's in tls1.0 & the earlier tls1.1_drafts.
>
> So, it's a bit confusing. tls1.1 is in the rfc editor queue, so is
> that why no clarifications are coming in (are these going to be
> addressed in tls 1.2?)

This will be clarified in TLS 1.1 "Authors 48 hours"

-Ekr

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