Re: [mpls-tp] MPLS-TP identifiers clarification request

[Huub van Helvoort <[e-mail]>]

Hello Venkat,

You replied:

> Thanks for your response. I have further query on your response [hvh]
> ICC is Global ID.
> As per BUSI ITALO response /Dated/: Fri, 9 Apr 2010 09:34:28 +0200
> An MPLS-TP enabled switch may be deployed either by a transport
> operator, who manages his network according to ITU-T operations, or by
> an IP operator, who manages his network according to IP operations.
> In the latter case, I understand that the Global_ID is likely to be used
> to identify the operator while the ICC will be used in the former case.
> If you are building an MPLS-TP switch addressing both types of operators
> you need to support both types of operators' identification.
> VM>> There is a need to keep the Global_ID and ICC for MPLS-TP operator
> identification.
> If you say, ICC is Global_ID, then what I understand is that ICC based
> transport operator identification is not required and Global_ID used by
> an IP operator alone is sufficient to identify an operator in the
> MPLS-TP network.
> Is this understanding right?

[hvh] what I tried to say is that the ICC can also be considered
a Global ID.
However the format of the IP Global ID may be different from the
transport/ICC Global ID.

So both must be supported.

> It seems that the ICC based identifiers [ICC based MEG_IDs, ICC based
> MEP_IDs etc..] for MPLS-TP in the draft
> *draft-ietf-mpls-tp-identifiers-01 *are incomplete.
> When is the next version of this draft with complete information for ICC
> based identifiers expected if the ICC is required for MPLS-TP?

[hvh] that is a question for the editors.

> If both Global_ID and ICC are required then draft authors can change the
> text of this draft as follows to identify the operator.
> MPLS-TP operator can be identified using *Operator_ID, Operator_ID
> *implies Global_ID or ICC_ID.

[hvh] good proposal.

Cheers, Huub.

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