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Re: [CCAMP] draft-ietf-ccamp-te-metric-recording-02

"Zafar Ali (zali)" <zali@cisco.com> Fri, 09 August 2013 21:54 UTC

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From: "Zafar Ali (zali)" <zali@cisco.com>
To: Igor Bryskin <IBryskin@advaoptical.com>, "Matt Hartley (mhartley)" <mhartley@cisco.com>, John E Drake <jdrake@juniper.net>, "CCAMP (ccamp@ietf.org)" <ccamp@ietf.org>
Thread-Topic: [CCAMP] draft-ietf-ccamp-te-metric-recording-02
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Date: Fri, 09 Aug 2013 21:46:06 +0000
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Subject: Re: [CCAMP] draft-ietf-ccamp-te-metric-recording-02
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-----Original Message-----
From: "IBryskin@advaoptical.com" <IBryskin@advaoptical.com>
Date: Friday, August 9, 2013 5:27 PM
To: "Matt Hartley (mhartley)" <mhartley@cisco.com>, "jdrake@juniper.net"
<jdrake@juniper.net>, "ccamp@ietf.org" <ccamp@ietf.org>
Subject: Re: [CCAMP] draft-ietf-ccamp-te-metric-recording-02

>Matt, 
>I apologize for calling you by wrong name.
>
>Igor
>
>-----Original Message-----
>From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of
>Igor Bryskin
>Sent: Friday, August 09, 2013 5:11 PM
>To: Matt Hartley (mhartley); John E Drake; CCAMP (ccamp@ietf.org)
>Subject: Re: [CCAMP] draft-ietf-ccamp-te-metric-recording-02
>
>Martin,
>We (John and myself) are of a school of thought that believes a client
>should know what to expect from an LSP it requests from a service
>provider *before* the setup request is issued (e.g. through a standard
>virtual link advertisement). Among other things this allows for the
>client all kinds of pre-planning.  What you and Zafar suggest is to
>request LSP, first, and analyze its properties later,

Igore- 

These are building blocks and you cannot conclude on a full solution by
cherry picking part of the overall solution. In another draft that we
discussed via the email
draft-ali-ccamp-rc-objective-function-metric-bound, we talk about client
requesting metric bound (e.g., latency bound). So yes, connection
requirements are driven by the clients.

Thanks

Regards Š Zafar

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