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Re: [CCAMP] draft-ali-ccamp-rc-objective-function-metric-bound-03.txt

"Matt Hartley (mhartley)" <mhartley@cisco.com> Fri, 09 August 2013 21:00 UTC

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From: "Matt Hartley (mhartley)" <mhartley@cisco.com>
To: Fatai Zhang <zhangfatai@huawei.com>, John E Drake <jdrake@juniper.net>, "CCAMP (ccamp@ietf.org)" <ccamp@ietf.org>
Thread-Topic: [CCAMP] draft-ali-ccamp-rc-objective-function-metric-bound-03.txt
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Date: Fri, 09 Aug 2013 20:53:09 +0000
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Subject: Re: [CCAMP] draft-ali-ccamp-rc-objective-function-metric-bound-03.txt
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Fatai, John,

I don't think you can guarantee that PCE will be deployed absolutely everywhere, or that you can guarantee the client will be permitted access to the server PCE when it is. In those cases, this draft is useful.

Cheers

Matt

> Hi John,
> 
> Completely agree.
> 
> I also raised this comment in front of the mic during Berlin meeting.
> 
> 
> 
> Best Regards
> 
> Fatai
> 
> 
> -----Original Message-----
> From: ccamp-bounces@ietf.org [mailto:ccamp-bounces@ietf.org] On Behalf Of
> John E Drake
> Sent: Friday, August 09, 2013 1:49 AM
> To: CCAMP (ccamp@ietf.org)
> Subject: [CCAMP] draft-ali-ccamp-rc-objective-function-metric-bound-03.txt
> 
> Hi,
> 
> I have a real concern with this draft because it appears to be heading us
> down the road of re-inventing PCEP in RSVP signaling with the dubious
> justification that it is needed in those situations in which a PCE is not
> available.  However, if you re-invent PCEP in RSVP signaling, then you have
> effectively ensured that there are no situations in which a PCE or its
> signaling equivalent are not available.
> 
> Why is this better than simply ensuring that a PCE is available in those
> situations in which it is needed?
> 
> Yours Irrespectively,
> 
> John
> 
> 
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