[CCAMP] FW: Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid

"Zhangxian (Xian)" <zhang.xian@huawei.com> Wed, 19 March 2014 02:12 UTC

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From: "Zhangxian (Xian)" <zhang.xian@huawei.com>
To: CCAMP <ccamp@ietf.org>
Thread-Topic: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid
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Date: Wed, 19 Mar 2014 02:12:17 +0000
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Subject: [CCAMP] FW: Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid
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Resending the following email since I do not see it is posted in the list. If you do receive from the list, plz let me know offline.

Regards,
Xian


From: Zhangxian (Xian)
Sent: 2014Äê3ÔÂ18ÈÕ 17:50
To: 'fu.xihua@zte.com.cn'.cn'; Iftekhar Hussain; Oscar Gonz¨¢lez de Dios
Cc: CCAMP
Subject: RE: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid

Hi, Xihua, Iftekhar,

  There is apparently misunderstanding between you two.  Iftekhar is talking about the last point in the draft liaison is already supported by ¡°in force¡± G.872 ( which is described in Section 8.4.2 of this Rec.). On the other hand, Xihua is thinking about the second to the last point, where no reference to OCh-P at all.  So we do not have an issue here, I suppose.

  To Oscar, Iftekhar,

     I looked at the latest version and only one comment.  What definitions are we expecting from ITU in the last point, i.e., ¡°Clarification is needed on the definition and application of network media channel and its support of multiple OCh-Ps¡±?   Having Deborah¡¯s question in mind, maybe we can re-phrase as: ¡°what are the expected applications of media channel and its support of multiple OCh-Ps¡±?


Regards,
Xian

From: CCAMP [mailto:ccamp-bounces@ietf.org] On Behalf Of fu.xihua@zte.com.cn
Sent: 2014Äê3ÔÂ18ÈÕ 14:31
To: Iftekhar Hussain
Cc: CCAMP; CCAMP; huubatwork@gmail.com
Subject: Re: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid


Hi Iftekhar,

If you refer to current "in force" G.709 or G.872, you can't get any describtion on an OCh-P is supported by multiple network media channels. This is what I mean.

Xihua

Iftekhar Hussain <IHussain@infinera.com>

2014-03-18 ÏÂÎç 12:46

ÊÕ¼þÈË

"fu.xihua@zte.com.cn" <fu.xihua@zte.com.cn>cn>, "huubatwork@gmail.com" <huubatwork@gmail.com>

³­ËÍ

CCAMP <ccamp@ietf.org>rg>, CCAMP <ccamp-bounces@ietf.org>

Ö÷Ìâ

RE: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid







Hi,

Regarding OCh-P, thee text is referring to the ¡°in force¡± ITU doc namely,  G.872, and requesting clarification from the ITU experts. What do you mean it is not defined by ITU?

Thanks,
Iftekhar
From: fu.xihua@zte.com.cn [mailto:fu.xihua@zte.com.cn]
Sent: Monday, March 17, 2014 6:48 PM
To: huubatwork@gmail.com
Cc: CCAMP; CCAMP
Subject: Re: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid


Hi All,

I have a few minor changes to draft text.
The relationship between optical tributary signal from Q6 and network media channel from Q12 is 1 to 1.
ITU-T hasn't reach aggreement to use terminology OCh-P which is supported by multiple medial channels. I suggest we don't need to  mention this.
We should only mention when this requirement will be documented in ITU-T Recommendation. This requirement may be described as "An OTUCn is supported by multiple network media channels. These NMCs must be co-routed. They must be recoveried and cross-connected  at the same time."


Xihua
Huub van Helvoort <huubatwork@gmail.com<mailto:huubatwork@gmail.com>>
·¢¼þÈË:  "CCAMP" <ccamp-bounces@ietf.org<mailto:ccamp-bounces@ietf.org>>

2014-03-18 ÉÏÎç 01:20


Çë´ð¸´ ¸ø
huubatwork@gmail.com<mailto:huubatwork@gmail.com>



ÊÕ¼þÈË

Oscar Gonz¨¢lez de Dios <ogondio@tid.es<mailto:ogondio@tid.es>>, CCAMP <ccamp@ietf.org<mailto:ccamp@ietf.org>>

³­ËÍ

Ö÷Ìâ

Re: [CCAMP] Draft Text for ITU-T - CCAMP Liason regarding Flexi-grid











Hola Oscar and Ramon.

Thank you for preparing this liaison.

> We have prepared a first draft of the text for the liaison ITU-T - IETF
> CCAMP regarding clarifications in Flexi¨CGrid. Thanks for the
> contributions sent to us by email.
>
> We would gladly appreciate your feedback in the liaison text. Please
> find attached the proposed text with comments from a review by Deborah.
> Also, for those of you allergic to non-standard file formats, please
> find bellow the plain text:

I have some comments/remarks added in the attached file because
it was almost impossible to insert in the plain text.

Hasta pronto, Huub.


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