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Re: [Teas-ns-dt] Definitions draft text improvement on NBI/SBI.

Jeff Tantsura <jefftant.ietf@gmail.com> Mon, 16 March 2020 22:29 UTC

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Date: Mon, 16 Mar 2020 15:28:22 -0700
From: Jeff Tantsura <jefftant.ietf@gmail.com>
To: "=?utf-8?Q?teas-ns-dt=40ietf.org?=" <teas-ns-dt@ietf.org>, Kiran Makhijani <kiranm@futurewei.com>
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Subject: Re: [Teas-ns-dt] Definitions draft text improvement on NBI/SBI.
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Kiran,

I don’t think the objection is valid, “bidirectional and asynchronous” defines basic characteristics and is not implementation specific.  If someone thinks otherwise please instantiate your objections.
Thanks!

Cheers,
Jeff
On Mar 16, 2020, 11:26 AM -0700, Kiran Makhijani <kiranm@futurewei.com>om>, wrote:
> Hi,
> In response to text objections about “bidirectional and asynchronous” terms being implementation specific.  Please see
> https://github.com/teas-wg/teas-ns-dt/issues/14
>
> In nutshell new text could be revised as below:
>
> - TSC Northbound Interface (NBI): is an interface between a higher level
> system, e.g. 'E2E network slice orchestrator' and the 'Transport
> slice controller'. It is a technology agnostic interface. Over this NBI, slice characteristics and other requirements can be informed to TSC and current state of a transport slice can be retrieved.
>
> - TSC Southbound Interface (SBI): is an interface between 'Transport
> slice controller' and network controller(s). These interfaces are
> technology-specific and can utilize many of the existing data
> models such as L2SM, L3SM, VPN, etc. TSC may request network resources or retrieval of their current state.
>
> Thanks
> Kiran
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