Re: [Isis-wg] [rbridge] I-D Action:draft-ietf-trill-rbridge-af-01.txt

Radia Perlman <radiaperlman@gmail.com> Thu, 14 April 2011 14:01 UTC

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Date: Thu, 14 Apr 2011 07:01:03 -0700
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From: Radia Perlman <radiaperlman@gmail.com>
To: Donald Eastlake <d3e3e3@gmail.com>
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Subject: Re: [Isis-wg] [rbridge] I-D Action:draft-ietf-trill-rbridge-af-01.txt
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No objection to adding that, though I think the definition of trunk
port in the base spec makes it clear that no data packets would be
encapsulated/decapsulated on that port.   But, if you want to add a
comment repeating that, into the af spec, no harm done.

Radia

On Thu, Apr 14, 2011 at 5:27 AM, Donald Eastlake <d3e3e3@gmail.com> wrote:
> Hi,
>
> I believe this draft needs some minor changes to make clear that
> appointing an RBridge as a forwarder has no effect on any ports that
> are configured as trunk ports.
>
> Speaking as one of the authors, I think that with that change it would
> be ready for Working Group Last Call...
>
> Thanks,
> Donald
> =============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  155 Beaver Street
>  Milford, MA 01757 USA
>  d3e3e3@gmail.com
>
> On Mon, Apr 11, 2011 at 10:45 PM,  <Internet-Drafts@ietf.org> wrote:
>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>> This draft is a work item of the Transparent Interconnection of Lots of Links Working Group of the IETF.
>>
>>
>>        Title           : RBridges: Appointed Forwarders
>>        Author(s)       : R. Perlman, et al.
>>        Filename        : draft-ietf-trill-rbridge-af-01.txt
>>        Pages           : 18
>>        Date            : 2011-04-11
>>
>> The IETF TRILL protocol provides optimal pair-wise data forwarding
>> without configuration, safe forwarding even during periods of
>> temporary loops, and support for multipathing of both unicast and
>> multicast traffic. TRILL accomplishes this by using IS-IS link state
>> routing and by encapsulating traffic using a header that includes a
>> hop count. Devices that implement TRILL are called RBridges.
>>
>> TRILL supports multi-access LAN links that can have multiple end
>> stations and RBridges attached. Where multiple RBridges are attached
>> to a link, native traffic to and from end stations on that link is
>> handled by a subset of those RBridges called Appointed Forwarders,
>> with the intent that native traffic in each VLAN be handled by at
>> most one RBridge.  The purpose of this document is to improve the
>> documentation of the Appointed Forwarder mechanism.
>>
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-trill-rbridge-af-01.txt
>>
>> Internet-Drafts are also available by anonymous FTP at:
>> ftp://ftp.ietf.org/internet-drafts/
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