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Re: [Pce] Comments on draft-crabbe-pce-pce-initiated-lsp-02

Ina Minei <ina@juniper.net> Thu, 18 July 2013 17:45 UTC

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From: Ina Minei <ina@juniper.net>
To: Olivier Dugeon <olivier.dugeon@orange.com>, "pce@ietf.org" <pce@ietf.org>
Thread-Topic: [Pce] Comments on draft-crabbe-pce-pce-initiated-lsp-02
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Date: Thu, 18 Jul 2013 17:44:58 +0000
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Subject: Re: [Pce] Comments on draft-crabbe-pce-pce-initiated-lsp-02
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Olivier, 

Thank you for reading the new version. This draft is restricted to LSP initiation. Mapping traffic to LSPs is a separate problem and is being discussed separately from this, unfortunately no proposal was available in time for this IETF.  You may also be interested in http://www.ietf.org/id/draft-tanaka-pce-stateful-pce-data-ctrl-00.txt

Will be happy to continue the discussion at the IETF, 

Ina 


-----Original Message-----
From: pce-bounces@ietf.org [mailto:pce-bounces@ietf.org] On Behalf Of Olivier Dugeon
Sent: Thursday, July 18, 2013 1:34 AM
To: pce@ietf.org
Subject: [Pce] Comments on draft-crabbe-pce-pce-initiated-lsp-02

Dear authors,

I read your draft carefullyand I have a global comment concerning LSP configuration on the Label Edge Router. Indeed, setting up the TE-LSP tunnel is not sufficient. The FEC must also be configured in order to correctly handle the traffic that input in the corresponding TE-LSPtunnel.

I know and understand that take into account the FEC is somewhat out of scope the PCE charter and could be complicated, but, from an operational point of view, it will become very complex if I must used another protocol to configure the FEC. For example, used PCEP to setup the tunnel and then Netconf for the FEC. In this example, I win some time and simplify the solution by using only Netconf to setup the tunnel and the FEC.

So, I would like to know if you think it would be appropriate to add support for the configuration of the FECinyour proposal draft? For example, the EndPoint Object allows simple FEC based on IP source and/or destination. Adding support for DSCP (EXP bits) could be useful as well as address mask for IP address e.g. I put all traffic that match DSCP= EFand subnet = a.b.c.d/z into this tunnel. Then, more complex FEC could be handle by adding informationon port number if necessary.

Regards,

Olivier
-- 

Orange

*Olivier Dugeon*
OLNC/OLN/WTC/IEE
Senior research engineer, QoS and network control
Phone/Fax: +33 296 05 2880/1470
Mobile: +33 6 82 90 37 85
olivier.dugeon@orange.com <mailto:olivier.dugeon@orange.com>

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