Re: [trill] TRILL and IEEE 1588 PTP

Mingui Zhang <zhangmingui@huawei.com> Mon, 26 January 2015 02:24 UTC

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From: Mingui Zhang <zhangmingui@huawei.com>
To: Donald Eastlake <d3e3e3@gmail.com>, Tal Mizrahi <talmi@marvell.com>
Thread-Topic: [trill] TRILL and IEEE 1588 PTP
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Date: Mon, 26 Jan 2015 02:24:19 +0000
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Cc: Nandakumar Natarajan <nandak_us@yahoo.com>, "trill@ietf.org" <trill@ietf.org>
Subject: Re: [trill] TRILL and IEEE 1588 PTP
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Yes, I think we can make use of the PType = 5 RBridge Channel Tunnel Protocol (See draft-ietf-trill-channel-tunnel-02). It can tunnel Ethernet frames. 

Thanks,
Mingui

>-----Original Message-----
>From: trill [mailto:trill-bounces@ietf.org] On Behalf Of Donald Eastlake
>Sent: Sunday, January 25, 2015 12:31 AM
>To: Tal Mizrahi
>Cc: Nandakumar Natarajan; trill@ietf.org
>Subject: Re: [trill] TRILL and IEEE 1588 PTP
>
>If there is interest in IEEE 1588 over TRILL, I would think it would
>be quite straight forward. Just assign an RBridge Channel protocol
>number to it as was done for BFD.
>
>Thanks,
>Donald
>=============================
> Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
> 155 Beaver Street, Milford, MA 01757 USA
> d3e3e3@gmail.com
>
>
>On Sat, Jan 24, 2015 at 9:09 AM, Tal Mizrahi <talmi@marvell.com> wrote:
>> Hi Nanda,
>>
>>
>>
>> The IEEE 1588 standard does not include a mapping for TRILL, nor is there
>> currently a plan to add a TRILL mapping in the next revision of IEEE 1588.
>>
>> Personally, I am not aware of any work in the IETF on 1588 over TRILL. On a
>> (somewhat) related note, there was  some discussion about 1588 over MPLS
>> (see draft-ietf-tictoc-1588overmpls, draft-mirsky-mpls-residence-time).
>>
>>
>>
>> Cheers,
>>
>> Tal.
>>
>>
>>
>> From: trill [mailto:trill-bounces@ietf.org] On Behalf Of Nandakumar
>> Natarajan
>> Sent: Friday, January 23, 2015 2:50 AM
>> To: trill@ietf.org
>> Subject: [trill] TRILL and IEEE 1588 PTP
>>
>>
>>
>>
>>
>> Hi,
>>
>>
>>
>> Is there any existing documentation on supporting IEEE 1588 PTP protocol in
>> a TRILL network? Thanks for any pointers.
>>
>>
>>
>> Thanks,
>>
>> Nanda
>>
>>
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