Re: [Teas] ACTN update

Igor Bryskin <Igor.Bryskin@huawei.com> Thu, 17 November 2016 16:07 UTC

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From: Igor Bryskin <Igor.Bryskin@huawei.com>
To: Daniele Ceccarelli <daniele.ceccarelli@ericsson.com>, "TEAS WG (teas@ietf.org)" <teas@ietf.org>
Thread-Topic: ACTN update
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Date: Thu, 17 Nov 2016 16:07:36 +0000
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Subject: Re: [Teas] ACTN update
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Danielle,

Why in your opinion L3SM should know or care whether the provider looks after a single- or multi-domain network? There is a strong case for multi-vendor multi-domain transport network, but this is not necessarily true for a network providing L3 services, which (in contrast to, say.  L0/L1 transport network) could be a multi-vendor single domain network. In other words, why in the context of L3SM multi-domain service coordination is necessary?
Another question: when and how L3 service controller interacts with a transport controller (providing transport services)?

These clarifications I think would be useful.

Cheers,
Igor

From: Teas [mailto:teas-bounces@ietf.org] On Behalf Of Daniele Ceccarelli
Sent: Wednesday, November 16, 2016 9:32 PM
To: TEAS WG (teas@ietf.org)
Subject: [Teas] ACTN update

Dear WG and ACTNers,

Please find attached some slides trying to clarify terminology, roles and functionalities in ACTN (in line with the discussion we had at the mic during the TEAS session). It provides an architectural explanation and a possible workflow description trying to see if it fits with the architecture.

My proposal is to:

1.       Add a section in the framework document to explain the relationship and the split of roles between PNC, MDSC and existing components like orchestrator and domain controller.

2.       Add a section to the "Applicability of YANG models for ACTN" to explain how this impacts the definition of the MPI and what is missing (i.e. TE-Service model). This will have impacts also on the PCEP applicability.

3.    Write a new document defining service mapping model that provides mappings across LxSM and TE-service model and that can be extend to support different service models (L3VPN/L2VPN/L1VPN, VTS, Transport Connectivity service, etc). Dhruv, Young and I are already working on this.


Opinions? Thoughts?

BR
Daniele