Re: [secdir] Secdir last call review of draft-ietf-trill-p2mp-bfd-07

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Hiya,

On 29/12/17 23:37, Donald Eastlake wrote:
> OLD
>                                                    However, [RFC7978],
>    while it provides both authentication and encryption for point-to-
>    point extended RBridge Channel messages, provides only authentication
>    for multipoint RBridge Channel messages. Thus, there is little reason
>    to use the [RFC7978] security mechanisms at this time. However, it is
>    expected that a future document will provide for group keying; when
>    that occurs, the use of RBridge Channel security will also be able to
>    provide encryption and may be desirable.
> 
> NEW
>    [RFC7978] provides encryption only for point-to-point extended
>    RBridge Channel messages so its encryption facilities are not
>    applicable to this draft. However [RFC7978] provides stronger
>    authentication than that currently provided in BFD. Thus, there is
>    little reason to use the BFD security mechanisms if [RFC7978]
>    authentication is in use. It is expected that a future TRILL
>    document will provide for group keying; when that occurs, the use
>    of [RFC7978] RBridge Channel security will be able to provide both
>    encryption and authentication.

Were that change acceptable to the WG, I'd be supportive,
and it'd clearly solve what I thought was an issue with
the current spec.

Cheers,
S.


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