Re: [mpls] FW: FW: New Liaison Statement, "LS331 - Corrigendum 1 to Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"

"Kyung-Yeop Hong (hongk)" <hongk@cisco.com> Mon, 14 November 2011 06:57 UTC

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Thread-Topic: [mpls] FW: FW: New Liaison Statement, "LS331 - Corrigendum 1 to Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"
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From: "Kyung-Yeop Hong (hongk)" <hongk@cisco.com>
To: huubatwork@gmail.com, Lou Berger <lberger@labn.net>
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Subject: Re: [mpls] FW: FW: New Liaison Statement, "LS331 - Corrigendum 1 to Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"
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In draft-ietf-mpls-tp-itu-t-identifiers:
.....
3.  Use of the ICC_Operator_ID

As an example, an Interface Identifier (IF_ID) in RFC 6370 [RFC6370]
   is specified as the concatenation of the Node_ID (a unique 32-bit
   value assigned by the operator) and the Interface Number (IF_Num, a
   32-bit unsigned integer assigned by the operator that is unique
   within the scope of a Node_ID).  
.....

RFC 6370 defines an IF_ID to be a 64-bit identifier formed by concatenating a 32-bit of Node ID and a 32-bit of IF_Num.

The UMC used in draft-ietf-mpls-tp-itu-t-identifiers has a maximum number of 7 characters of 7 bits.

How can IF_ID be formed with 7 characters of 7 bits?

KY

-----Original Message-----
From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On Behalf Of Huub van Helvoort
Sent: Sunday, November 13, 2011 10:17 PM
To: Lou Berger
Cc: mpls@ietf.org
Subject: Re: [mpls] FW: FW: New Liaison Statement, "LS331 - Corrigendum 1 to Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"

Hello Lou,

You wrote:

> As the scope of this document (ITU-T G.8013/Y.1731) is just MEG IDs, I
> guess this means that draft-ietf-mpls-tp-itu-t-identifiers will need to
> explicitly define how to go from ICC-based MEG IDs to ICC_based
> LSPs&Tunnels, right?

The draft-ietf-mpls-tp-itu-t-identifiers described how the
Global_ID can be based on CC and ICC.
RFC6370 defines how LSPs&Tunnels use the Global_ID to provide
a global unique number.

Regards, huub.



> On 11/14/2011 9:52 AM, Scott Mansfield wrote:
>> Greg and Huub,
>>
>> Looking at the text of liaison, the actual text of the corrigendum 1
>> is not attached to the liaison.  Currently the document is only
>> available to ITU-T TIES members since the document is still
>> "pre-published".
>>
>> Can you please provide the document?
>>
>> Regards,
>> -scott.
>>
>>> -----Original Message-----
>>> From: mpls-bounces@ietf.org [mailto:mpls-bounces@ietf.org] On
>>> Behalf Of Scott Mansfield
>>> Sent: Sunday, November 13, 2011 8:36 PM
>>> To: mpls@ietf.org
>>> Subject: [mpls] FW: New Liaison Statement, "LS331 -
>>> Corrigendum 1 to Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"
>>>
>>> This is the liaison from the ITU-T that includes information
>>> about the Global MEG ID.  Uses the Country Code and the ICC
>>> to make the MEG ID globally unique.
>>>
>>> Regards,
>>> -scott.
>>>
>>>> -----Original Message-----
>>>> From: Liaison Statement Management Tool [mailto:lsmt@ietf.org]
>>>> Sent: Thursday, October 06, 2011 4:52 PM
>>>> To: rcallon@juniper.net; swallow@cisco.com; loa@pi.nu
>>>> Cc: yoichi.maeda@ttc.or.jp;
>>>> Steve.Trowbridge@alcatel-lucent.com; mpls@ietf.org; lear@cisco.com;
>>>> Scott Mansfield; huub.van.helvoort@huawei.com; tsbsg15@itu.int;
>>>> greg.jones@itu.int; hiroshi.ota@itu.int
>>>> Subject: New Liaison Statement, "LS331 - Corrigendum 1 to
>>>> Recommendation ITU-T G.8013/Y.1731: Global MEG_ID"
>>>>
>>>> Title: LS331 - Corrigendum 1 to Recommendation ITU-T
>>>> G.8013/Y.1731: Global MEG_ID Submission Date: 2011-10-06 URL of the
>>>> IETF Web page: /liaison/1100/
>>>>
>>>> From: ITU-T SG 15  (Greg Jones<greg.jones@itu.int>)
>>>> To: Multiprotocol Label Switching (rcallon@juniper.net,
>>>> swallow@cisco.com, loa@pi.nu)
>>>> Cc:
>>>> yoichi.maeda@ttc.or.jp,Steve.Trowbridge@alcatel-lucent.com,mpl
>>>> s@ietf.org,lear@cisco.com,scott.mansfield@ericsson.com
>>>> Reponse Contact:
>>>> tsbsg15@itu.int,greg.jones@itu.int,hiroshi.ota@itu.int
>>>> Technical Contact: huub.van.helvoort@huawei.com
>>>> Purpose: For information
>>>>
>>>> Body: The experts of Q10/15 would like to inform you that they have
>>>> agreed to a corrigendum for Recommendation ITU-T
>>>> G.8013/Y.1731 "OAM functions and mechanisms for Ethernet based
>>>> networks."
>>>> This corrigendum provides the definition of a globally
>>> unique MEG-ID
>>>> by using the Country Code (CC) and ITU-T Carrier Code (ICC).
>>>> Attach: TD477/PLEN, "Corrigendum 1 to Recommendation ITU-T
>>>> G.8013/Y.1731".
>>>> Attachment(s):
>>>>
>>>>      LS331 - Corrigendum 1 to Recommendation ITU-T
>>>> G.8013/Y.1731: Global MEG_ID - pdf body
>>>> https://datatracker.ietf.org/documents/LIAISON/file1279.pdf
>>>>
>>>>
>>>>
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>>>
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